42results about How to "Achieve immunity" patented technology

The invention relates to a making method for a pastry nutlet mooncake. Stuffing is prepared by taking wax gourd pulp, cooked sticky rice powder, white sugar, edible plant oil, sunflower seeds, sesame seeds, cashew kernels, black garlics and shredded coconut stuffing as main raw materials; the pastry nutlet mooncake is made by the working procedures of uniformly mixing and stirring the stuffing with low-gluten flour, high-gluten flour, the white sugar, granular vegetable shortening, water and the like which serve as main raw materials, adding the granular vegetable shortening, slightly stirring the mixture, performing folding to obtain cake skins, then covering the stuffing, and performing forming, arrangement on a plate, baking, cooling and packaging. The conventional technology is improved, so that the making technology is mature, easy to operate and convenient for production. The folded pastry five-nutlet mooncake is more and more favored by the customers due to the characteristics of clear pastry layer, uniform hierarchy, pastry and sweet fragrance, melting in mouth, light pastry fragrance, bright color, unique flavor, fashionable appearance and the like and has a good market prospect.

The invention relates to a cyprinid herpesvirus II DNA vaccine based on a baculovirus vector as well as a building method and application thereof. Codons of regional sequences 1-186, 993-1197, 603-783and 85-186 nt of cyprinid herpesvirus II ORF72, ORF66, ORF81 and ORF82 are optimized; then, ORF72-ORF66-ORF81-ORF82 fusion sequences are chemically synthesized; next, the promoter control is performed; the clone into the baculovirus transfer vector pFSATBacTMDual is performed to build recombinant plasmids pFSATBacTMDual-FA-D4ORF; after the plasmids are used for converting DH10 / Bac competent cells, Bacmid-FA-D4ORF is obtained; after the Bacmid-FA-D4ORF DNA is used for transfecting silkworm culture cells, BmNPV-FA-D4ORF is obtained and is the cyprinid herpesvirus II DNA vaccine based on the baculovirus vector. The DNA vaccine can realize the immune on carassius auratus gibelio by using an injection or oral administration or soaking method; the gill bleeding diseases of the carassius auratusgibelio can be reduced.

The invention belongs to the technical field of genetic engineering, and particularly relates to a novel coronavirus trimer recombinant protein, DNA, mRNA, application and an mRNA vaccine. The invention provides a trimer recombinant protein of an SARS-CoV-2 virus antigen NTD-RBD, and the trimer recombinant protein can be used for synthesizing mRNA for coding a virus antigen fragment so as to realize the immunization on a novel coronavirus. According to the trimer recombinant protein disclosed by the invention, full exposure of antigen epitopes and high-efficiency expression of human cells can be realized, and immunogenicity can be improved; and the mRNA of the coding virus antigen fragment is synthesized by an in-vitro transcription method so as to immunize the novel coronavirus. The whole mRNA vaccine is short in production cycle, simple in process operation, low in production cost, long in preservation time, free of a cold chain and convenient to transport.

The invention discloses a traditional Chinese medicine for treating nephritis. The traditional Chinese medicine comprises the raw materials in parts by weight: 4.5 parts of ephedra, 9 parts of monkshood, 30 parts of black beans, 6 parts of rhizoma alismatis, 8 parts of achyranthes bidentata, 8 parts of capillary Artemisia, 10 parts of white atractylodes rhizome, 6 parts of rhizoma anemarrhenae, 6 parts of semen cuscutae, 8 parts of rhizoma imperatae, 12 parts of liquorice, 8 parts of herba pyrrosiae and 6 parts of chingma abutilon seeds. The traditional Chinese medicine is decocted; a user takes one dosage of the traditional Chinese medicine twice a day, and one month is a treating course; clinical treatment on more than 60 nephritis patients shows that he effectiveness is 96.8 percent, and the nephritis can be effectively treated; the effect of treating and conditioning the physique is achieved; furthermore, the traditional Chinese medicine is convenient to take, and the treating effect is definite; the operation pain and the economical burden of the patient can be alleviated, and the traditional Chinese medicine is a good medicine for treating the nephritis; the traditional Chinese medicine is suitable for being produced by a pharmaceutical factory, hospital clinical application and being taken by the patient.

The invention discloses styptic powders and a preparation method thereof. The styptic powders have the components by weight parts as follows: radix achyranthis bidentatae is 15 to 25 parts, pinelliae tuber is 15 to 25 parts, dwarf lilyturf turber is 5 to 10 parts, angelica is 15 to 20 parts, Salvia miltiorrhiza is 15 to 20 parts, herbaceous peony roots are 15 to 20 parts, aconite is 15 to 20 parts, agrimony is 5 to 10 parts, scutellaria is 5 to 10 parts, radix rehmanniae is 5 to 10 parts, and glycyrrhiza is 5 to 10 parts. The styptic powders have the preparation method that the raw ingredients are rinsed and washed, and are taken out and air-dried; the radix achyranthis bidentatae, the pinelliae tuber and the angelica are respectively put in an earthen pot and stir-fried into charcoals, are crushed into dead small by a muller respectively, and are screened; the aconite, the agrimony, the scutellaria and the radix rehmanniae which are air-dried are respectively delivered to a section cutter to be cut into flakelet; then the processed raw ingredients and the other raw ingredients are delivered into the muller to be crushed into the dead small and screened. The styptic powders has the advantages of easily obtained raw ingredients, low price, quick hemostasis, thoroughness, no toxic and side effects, and good curative effect.

The invention relates to nutritional sandworm powder and a preparation method thereof, and belongs to the technical field of healthcare food. The nutritional sandworm powder is prepared from, by weight, 50-80 parts of dried sandworm, 8-20 parts of dried toadstool, 8-20 parts of dried lactarius deliciosus, 5-10 parts of dried bamboo fungi, 2-6 parts of white truffle, 20-40 parts of quinoa flour, 10-18 parts of kudzu vine root powder, 5-9 parts of milkvetch root powder, 3-8 parts of rhizoma gastrodiae powder and 5-8 parts of poria cocos powder. The nutritional sandworm powder contains rich protein, polypeptide ingredients and 17 amino acids, and the content of the amino acids essential for the human body is high; besides, 12 microelements such as calcium, phosphorus, iron, zinc, manganese and magnesium are contained, other raw materials are added, the healthcare function of the nutritional sandworm powder is further improved, the functions of resisting oxidization, bacteria, radiation, viruses and fatigue, preventing cancer, adjusting immunity and delaying senescence are achieved, and the nutritional sandworm powder is healthcare nutrition powder suitable for being eaten by all kinds of people.

The invention provides a varicella-herpes zoster mRNA vaccine composition, and a preparation method and application thereof. The vaccine composition comprises a messenger ribonucleic acid (mRNA) sequence for coding varicella-herpes zoster virus glycoprotein E, a derivative sequence of the messenger ribonucleic acid (mRNA) sequence and lipid nanoparticles (LNP), and the messenger ribonucleic acid (mRNA) sequence is prepared into particles with the diameter of 20-400 nanometers through microfluidic equipment. The vaccine composition can specifically enhance humoral immune response and cellular immune response against varicella-herpes zoster glycoprotein E, can be used as a varicella vaccine which does not cause latent infection of vaccine strains, and can also be used as a herpes zoster vaccine with unlimited productivity. All the components in the vaccine composition can be widely obtained, so that the vaccine cost is effectively reduced, and the vaccine yield is increased.

The invention provides a method for energizing and starting a high-security information system. The high-security information system comprises an information processing component, a controlling component and a second storing component. The controlling component comprises a hardware switch; at least one control signal line of the information processing component for carrying out the write operation and / or the data updating operation and / or the data modifying operation and / or the data adding operation and / or the data deleting operation and / or the data refreshing operation is connected with the second storing component through the controlling component; when the hardware switch is in the first state, the controlling component cuts off the connection of the control signal and the signal line of the second storing component; and when the hardware switch is in the second state, the controlling component keeps the connection of the control signal and the signal line of the second storing component. The method for energizing and starting the high-security information system comprises the following steps: operating the hardware switch to make the hardware switch in the first state; energizing the high-security information system; cutting off the connection of the control signal and the signal line of the second storing component by the controlling component; and implementing the energizing initializing program by the information processing component.

The present invention belongs to the technical fields of food and drink processing and particularly relates to a preparation technology of pomegranate and raspberry mixed enzymes. The preparation technology is characterized by comprising the following steps: (1) pomegranates are crushed to form pomegranate pulp, the pomegranate pulp and beneficial micro-organisms are put into a fermentation container, and isomaltooligosaccharide is sprayed on the pomegranate pulp to conduct a primary fermentation to prepare a pomegranate fermented liquid; (2) raspberries are picked, the raspberries and beneficial micro-organisms are put into the fermentation container, and the isomaltooligosaccharide is sprayed on the raspberries to conduct the primary fermentation to prepare a raspberry fermented liquid; and (3) a pomegranate and raspberry mixture is subjected to a secondary fermentation. The preparation technology solves the problem of nutrient loss of the pomegranate and raspberry mixture, and thus utilizes the fermentation technology to enable human body to more directly and comprehensively absorb and utilize the nutrition of the pomegranates and raspberries, so that the pomegranate and raspberry mixed enzymes are convenient in consumption and at the same time have the effects of caring health and enhancing human body immunity.

The invention discloses a dairy cow fattening daily ration formula added with sweet sorghum straw, belonging to the technical field of feed production. The formula provided by the invention comprisesthe following raw materials in percentages by mass: 30-40% of sweet sorghum straw powder, 20-30% of corn, 5-15% of mung bean, 5-10% of marigold, 12-18% of licorice, 5-8% of ammoniac chromium, 1-2% ofedible salt, 1-15% of barley, 1-15% of wheat, 1-2% of rumen bypass vitamin, 0.5-0.7% of lactic acid bacteria, 1-5% of fulvic acid and 3-5% of palm fat powder. According to the invention, through addition of the raw materials like the marigold, the liquorice and the rumen bypass vitamin in a feed, the heat stress reaction of dairy cows can be relieved; meanwhile, due to good taste of the feed, thefood intake of the dairy cows is increased, and the fattening effect of the dairy cows is achieved.

The invention belongs to the technical field of vegetable cultivation, and particularly relates to a method of raising seedlings of sweet potatoes. The method comprises the following steps of (1) preparation of a culture substrate and a nutrient solution; (2) seedbed finishing; (3) seed sweet potato treatment; (4) seed arrangement; (5) temperature management; (6) water and fertilizer management. By preparing the culture substrate and the nutrient solution which are suitable for the growth of sweet potato seedlings, and combining specific seedbed finishing, seed sweet potato treatment and fieldmanagement methods, the method can obviously promote the growth of the sweet potato seedlings, increase the germination coefficient, accelerate the germination speed, and achieve uniform germinationto facilitate subsequent cultivation and management; at the same time, the incidence of common pests and diseases after seedling transplanting is significantly reduced, and a guarantee is provided forimproving the yield and quality of the sweet potatoes.

The invention provides a high safety information system which comprises an information processing part, a control part and a second storage part, wherein the control part comprises a hardware switch, and the hardware switch at least comprises two states including a first state and a second state; at least one control signal line of the information processing part, used for carrying out writing operation on the second storage part, is connected with the second storage part through the control part; when the hardware switch is in the first state, the control part cuts off the connection of control signals and a signal line of the second storage part; and when the hardware switch is in the second state, the control part keeps the connection of the control signals and the signal line of the second storage part. Therefore, a computer virus or a hacker program can not realize the purpose of attack, and normal software can still normally work so as to enable the information system to fulfill complete immunocompetence to the computer virus or the hacker program and realize the real safety information system.

The invention provides a construction body (including a multivalent nano antibody and a nano antibody fusion protein) of a nano antibody R14 based on specific binding SARS-CoV-2RBD, a related product thereof and an application of the construction body. The construction body (including multivalent nano-antibody and nano-antibody fusion protein) of the nano-antibody R14 based on the specific binding SARS-CoV-2RBD can effectively inhibit SARS-CoV-2 infection and variant strain infection thereof, can be dosed by atomization, can directly reach the lung, takes effect quickly, is long in half-life period, and can be used for preparing the nano-antibody R14 of the SARS-CoV-2RBD. And a more effective treatment strategy is provided for clinically preventing or treating infection of the new coronavirus and the variant thereof.

The invention provides a high safety information system-based network system platform, which comprises a first information processing component, a second information processing component, a control component, a second storage component and a network connecting component, wherein the first information processing component is connected or disconnected with the second information processing component through an information communication wire and a pluggable signal connecting component as required; the control component comprises a hardware switch which at least comprises two states, namely, a first state and a second state; at least one control signal wire, which is used for performing writing operation on the second storage component, of the second information processing component is connected with the second storage component through the control component; the network connecting component is connected with the information processing components; and before the second information processing component operates a network connecting program, the hardware switch is in the first state. Attacks of hackers and viruses are prevented effectively and the contents of the second storage component can be updated safely by the first information processing component.

The invention discloses a dietary fiber powder and a preparation method thereof. The dietary fiber powder comprises the following components by weight: 20-34 parts of hawthorns, 25-47 parts of walnutpowder, 50-60 parts of soy milk powder, 18-30 parts of white fungus, 40-57 parts of oatmeal, 18-24 parts of malt, 24-34 parts of burdock, 14-25 parts of bamboo fungus, and 18-23 parts of an additive.The preparation method includes the following steps: pretreatment of hawthorns, burdock and bamboo fungus, dehydration and tableting, preparation of mixed raw material powder, preparation of semi-finished products, preparation of finished product and packaging. The dietary fiber powder effectively improves intestinal health, prevents rectal cancer, and also helps to lose weight, and further has the effects of enhancing the immunity of human body, resisting aging and cancer; and the prepared dietary fiber powder has a large specific surface area and can be quickly dissolved. The invention alsoprovides an ultra-fine pulverizing device; and the device not only has high pulverization efficiency, but also conducts double-sided drying of the pulverized materials, and overcomes the defect of sticking of powder in the pulverizing device.

The invention provides a method for connecting network for a high-security information system. The high-security information system comprises an information processing component, a controlling component, a storing component and a network component. The controlling component comprises a hardware switch; at least one control signal line of the information processing component for carrying out the write operation for the second storing component is connected with the second storing component through the controlling component; when the hardware switch is in the first state, the controlling component cuts off the connection of the control signal and the signal line of the second storing component; and when the hardware switch is in the second state, the controlling component keeps the connection of the control signal and the signal line of the second storing component. The method for connecting network for the high-security information system comprises the following steps: operating the hardware switch to make the hardware switch in the first state; reading the code for the network connection program from the second storing component by the information processing component and storing the code for the network connection program in the storing space of the information processing component; and operating the code for the network connection program in the storing space of the information processing component by the information processing component to connect the network for the high-security information system.

The invention provides a software running method of a high-safety information system. The high-safety information system comprises an information processing component, a control component and a storage component, wherein the control component comprises a hardware switch; at least one control signal wire for the information processing component to carry out the writing operation on the second storage component is connected with the second storage component through the control component; when the hardware is positioned in a first state, the control component cuts off the connection between the control signal and the second storage component through the signal wire; when the control component is in a second state, the control component maintains the connection between the control signal and the second storage component through the signal wire and runs the software step of judging whether the hardware switch is in the first state or not and operating the hardware switch to be in the first state when the hardware switch is not in the first state; and the information processing component reads partial or all codes of the software program from the second storage component, stores the partial or all codes in a storage space of the information processing component and runs the partial or all codes.

The invention provides a construction body (including a multivalent nano antibody and nano antibody fusion protein) of a nano antibody S43 based on specific binding of SARS-CoV-2RBD, and a related product and application thereof. The construction body (including multivalent nano-antibody and nano-antibody fusion protein) of the nano-antibody S43 based on specific binding of SARS-CoV-2RBD can effectively inhibit SARS-CoV-2 infection and variant strain infection thereof, can be dosed in an atomized manner, can directly reach the lung, takes effect quickly, is long in half-life period, and can be used for preparing the nano-antibody S43 with the specific binding of SARS-CoV-2RBD. And a more effective treatment strategy is provided for clinically preventing or treating infection of the new coronavirus and the variant thereof.

The invention provides a network connection method of a high-safety information network platform. The high-safety information network platform comprises a first information processing part, a second information processing part, a control part, a second storage part and a network part, wherein the first information processing part and the second information processing part can be connected with and access the second storage part respectively only by the control part, and the control part comprises a hardware switch. The network connection method comprises the following steps of: judging whether the hardware switch is in a first state or not; if not, operating the hardware switch to enable the hardware switch to be in the first state; reading network connection program codes from the second storage part and storing in a storage space of the information processing part by the second information processing part; and operating the network connection program codes stored in the storage space of the second information processing part by the second information processing part so as to realize the connection with a network.

The embodiment of the invention discloses a method and device for identifying computer threats and a storage medium, and the method comprises the steps: carrying out the operation of a new portable executable file intercepted by a filtering drive program through employing a password hash algorithm, and obtaining a first hash value of the new file; and matching the first hash value with a pre-stored second hash value corresponding to a blacklist, if matching succeeds, judging that the portable executable file corresponding to the second hash value is a threat file, and intercepting the portableexecutable file. According to the method for identifying computer threats, which is provided by the embodiment of the invention, matching judgment is performed on portable executable files intercepted by a filter driver according to a black list, a white list and a known file list respectively, and whether the files need to be intercepted or not is further judged. On the basis of overcoming traditional full-data-volume delivery analysis matching, different strategies are detected for unknown files, and the recognition efficiency is improved.

The invention provides a high-security information network platform comprising a first information processing component, a second information processing component, a controlling component, a second storing component and a network connecting component. The controlling component comprises a hardware switch, and the hardware switch can be at least in the first state and the second state; the first information processing component and the second information processing component can be connected and accessed to the second storing component through the controlling component; when the hardware switch is in the first state, the controlling component assesses to the second storing component through the second information processing component, and when the hardware switch is in the second state, the controlling component assesses to the second storing component through the first information processing component; the network connecting component is connected with the two information processing components; and the hardware switch is in the first state when the second information processing component operates the network connecting program. The high-security information network platform can effectively prevent the attack of the hacker and the virus and can safely update the content of the second storing component through the first information processing component.

The invention provides a software running method of a high-safety information network platform. The high-safety information network platform comprises a first information processing unit, a second information processing unit, a control unit and a second storage unit, wherein the first information processing unit and the second information processing unit can connect and access the second storage unit respectively through the control unit; the control unit comprises a hardware switch; the software can be run by the following steps of: judging whether the hardware switch is in the first state or not; and operating the hardware switch to be in the first state when the hardware switch is not in the first state; and the information processing unit reads partial or all codes of the software program from the second storage unit, stores the partial or all codes in a storage space of the information processing unit and runs the partial or all codes.

The invention relates to a cyprinid herpesvirus II DNA vaccine based on a baculovirus vector as well as a building method and application thereof. Codons of regional sequences 1-186, 993-1197, 603-783and 85-186 nt of cyprinid herpesvirus II ORF72, ORF66, ORF81 and ORF82 are optimized; then, ORF72-ORF66-ORF81-ORF82 fusion sequences are chemically synthesized; next, the promoter control is performed; the clone into the baculovirus transfer vector pFSATBacTMDual is performed to build recombinant plasmids pFSATBacTMDual-FA-D4ORF; after the plasmids are used for converting DH10 / Bac competent cells, Bacmid-FA-D4ORF is obtained; after the Bacmid-FA-D4ORF DNA is used for transfecting silkworm culture cells, BmNPV-FA-D4ORF is obtained and is the cyprinid herpesvirus II DNA vaccine based on the baculovirus vector. The DNA vaccine can realize the immune on carassius auratus gibelio by using an injection or oral administration or soaking method; the gill bleeding diseases of the carassius auratusgibelio can be reduced.

The invention provides a network service providing platform based on a high safety information system. The network service providing platform comprises an information processing part, a control part, a second storage part and a network connection part, wherein the control part contains a hardware switch; the hardware switch at least contains two states, namely a first state and a second state; atleast one control signal wire of the information processing part, used for performing write operation on the second storage part is connected with the second storage part through the control part; when the hardware switch is in the first state, the control part cuts off the connection of the control signal and the signal wire of the second storage part; when the hardware switch is in the second state, the control part maintains the connection of the control signal and the signal wire of the second storage part; the network connection part is connected with the information processing part; andthe hardware switch is in the first state before the information processing part runs a network connection program. The network service providing platform can be used to effectively prevent the attacks of hackers and viruses.

The invention provides a software installation method of a high safety information network platform. The high safety information network platform comprises a first information processing part, a second information processing part, a control part and a second storage part, wherein the first information processing part and the second information processing part can be connected to access the secondstorage part respectively only through the control part, and the control part comprises a hardware switch. The software installation method comprises the following steps of: enabling the high safety information network platform to be in a normal operation state; operating the hardware switch to enable the hardware switch to be in a second state, and selecting the first information processing partby the control part to be in connection access with the second storage part through the control part; installing software needed to be installed on the second storage part by the first information processing part; and operating the hardware switch to enable the hardware switch to be in a first state.

The invention discloses styptic powders and a preparation method thereof. The styptic powders have the components by weight parts as follows: radix achyranthis bidentatae is 15 to 25 parts, pinelliae tuber is 15 to 25 parts, dwarf lilyturf turber is 5 to 10 parts, angelica is 15 to 20 parts, Salvia miltiorrhiza is 15 to 20 parts, herbaceous peony roots are 15 to 20 parts, aconite is 15 to 20 parts, agrimony is 5 to 10 parts, scutellaria is 5 to 10 parts, radix rehmanniae is 5 to 10 parts, and glycyrrhiza is 5 to 10 parts. The styptic powders have the preparation method that the raw ingredients are rinsed and washed, and are taken out and air-dried; the radix achyranthis bidentatae, the pinelliae tuber and the angelica are respectively put in an earthen pot and stir-fried into charcoals, are crushed into dead small by a muller respectively, and are screened; the aconite, the agrimony, the scutellaria and the radix rehmanniae which are air-dried are respectively delivered to a section cutter to be cut into flakelet; then the processed raw ingredients and the other raw ingredients are delivered into the muller to be crushed into the dead small and screened. The styptic powders has the advantages of easily obtained raw ingredients, low price, quick hemostasis, thoroughness, no toxic and side effects, and good curative effect.

The invention relates to a making method for a pastry nutlet mooncake. Stuffing is prepared by taking wax gourd pulp, cooked sticky rice powder, white sugar, edible plant oil, sunflower seeds, sesame seeds, cashew kernels, black garlics and shredded coconut stuffing as main raw materials; the pastry nutlet mooncake is made by the working procedures of uniformly mixing and stirring the stuffing with low-gluten flour, high-gluten flour, the white sugar, granular vegetable shortening, water and the like which serve as main raw materials, adding the granular vegetable shortening, slightly stirring the mixture, performing folding to obtain cake skins, then covering the stuffing, and performing forming, arrangement on a plate, baking, cooling and packaging. The conventional technology is improved, so that the making technology is mature, easy to operate and convenient for production. The folded pastry five-nutlet mooncake is more and more favored by the customers due to the characteristics of clear pastry layer, uniform hierarchy, pastry and sweet fragrance, melting in mouth, light pastry fragrance, bright color, unique flavor, fashionable appearance and the like and has a good market prospect.

The invention provides a high-security information network platform comprising a first information processing component, a second information processing component, a controlling component, a second storing component and a network connecting component. The controlling component comprises a hardware switch, and the hardware switch can be at least in the first state and the second state; the first information processing component and the second information processing component can be connected and accessed to the second storing component through the controlling component; when the hardware switch is in the first state, the controlling component assesses to the second storing component through the second information processing component, and when the hardware switch is in the second state, the controlling component assesses to the second storing component through the first information processing component; the network connecting component is connected with the two information processing components; and the hardware switch is in the first state when the second information processing component operates the network connecting program. The high-security information network platform can effectively prevent the attack of the hacker and the virus and can safely update the content of the second storing component through the first information processing component.

The invention discloses an anti-single event upset latch circuit. The anti-single event upset latch circuit comprises a first phase inverter, a first gated phase inverter, a second gated phase inverter and a first delay element, the first delay element is connected to the branch where the first phase inverter in the latch feedback loop is located, when the latch enters the data transmission stage, the first delay element fails, loads cannot be increased, and the data transmission speed cannot be reduced; when the latch enters a data retention stage, the first delay element is effective, and latch of error level is avoided based on the load delay characteristic of the first delay element, so that single-particle immunity is realized.

The invention provides a high safety information system-based network system platform, which comprises a first information processing component, a second information processing component, a control component, a second storage component and a network connecting component, wherein the first information processing component is connected or disconnected with the second information processing component through an information communication wire and a pluggable signal connecting component as required; the control component comprises a hardware switch which at least comprises two states, namely, a first state and a second state; at least one control signal wire, which is used for performing writing operation on the second storage component, of the second information processing component is connected with the second storage component through the control component; the network connecting component is connected with the information processing components; and before the second information processing component operates a network connecting program, the hardware switch is in the first state. Attacks of hackers and viruses are prevented effectively and the contents of the second storage component can be updated safely by the first information processing component.