82results about How to "Stability has no effect" patented technology

The invention discloses a viscid Serratia marcescens with CGMCC.No.2593 and prodigiosin produced. The growth temperature of the strain is 28 DEG C to 38 DEG C, the pH value is 5 to 9, LB liquid medium is used for fermentation, 200mL of culture medium is filled in a 500mL triangular flask, sterilization is carried out under 1125 mutiplied by 121Pa for 20min, after being shaken for culture at temperature of 37 DEG C for 5 days, the culture medium is added with absolute ethyl alcohol and is shaken on a shaking bed for 20min, and then is placed statically for 10min, impurity removing is carried out with the centrifuge of 4000r/min for 10min, and through the extraction of absolute ethyl alcohol, prodigiosin Serratia marcescens pigment is produced with the output of 7.85g/L, the maximum absorption peak value m of the prodigiosin being 533.8nm and good heat stability. The prodigiosin obtained can be used as antineoplastic medicine, has important application prospect in the fields of foods, cosmetics and the like.

The invention discloses a colored zirconia ceramic, which is composed of tetragonal phase zirconia serving as the main crystalline phase and cubic phase zirconia serving as a minor crystalline phase, or is composed of tetragonal phase zirconia serving as the main crystalline phase, cubic phase zirconia serving as a minor crystalline phase, and a transition metal oxide. The colored zirconia ceramic realizes coloring through a rare earth metal that is in a solid solution state in cubic phase zirconia crystal grains, or achieves coloring through a rare earth metal that is in a solid solution state in cubic phase zirconia crystal grains, and is assisted by the transition metal oxide provided transition metal for toning. According to the invention, coloring rare earth metal ions are in a solid solution state in cubic zirconia lattices, and have no influence to the stability of tetragonal zirconia; solid solution rare earth metal ions in cubic zirconia are mainly adopted for coloring, then the consumption of other transition metal oxide coloring materials can be reduced or even the coloring materials can be not used, thus reducing the influence of transition metal oxide coloring materials concentrated at crystal boundaries to sintering densification, and avoiding the adverse effect on material strength.

The invention discloses a self-adaptive ship-intercepting method. The method has the following advantages that: the method overcomes the problem that because buoys and intercepting cables can be pressed into water by ships in the past, the anti-collision intercepting facilities can fail; moreover, because buoys and intercepting nets normally horizontally float on the water surface and the lengths of the buoys and the intercepting nets do not have affection on the stability of the whole system, the lengths of both the buoys and the intercepting nets are not limited, thereby the intercepting effect is ensured, and moreover, when the intercepting system used in the method normally horizontally floats on the water surface, sight on the sea surface cannot be affected; in addition, the intercepting system used in the method has the advantages of low construction cost, high economical efficiency, long service life and convenient replacement and maintenance; and moreover, the method can be flexibly transported to different places for use, and can change the arrangement position of the intercepting system.

Disclosed is pigment ink for ink-jet printing, which is composed by mixing color paste, resin, pH regulating agents and de-ionized water and is characterized in that the weight percent of the color paste is 10-50%, the weight percent of the resin is 0.1-3%, the weight percent of the pH regulating agents is 0.1-2%, and the rest is the de-ionized water. The advantages and technical effects of the invention are in that satisfied scuff resistance can be achieved by changing the added resin, fingers can smear on the surface of printed materials without leaving any marks after printing is finished, strong luster sensation is achieved together with the scuff resistance, and stability and drying time of the ink can not be influenced after the resin is added.

The invention relates to cement paste used when a shale gas horizontal well is cemented, and a toughened additive added to the cement paste, and belongs to the technical field of oil-gas well cement engineering. A toughened anti-channeling agent for cement is prepared from butadiene styrene rubber powder and re-dispersible rubber latex powder at the mass ratio of 2 to 1 in a mixing manner, wherein the butadiene styrene rubber powder is subjected to treatment comprising the following steps before use: firstly, preparing a silane coupling agent solution with the mss percent content being 1.5%; adding butadiene styrene rubber powder, standing for 24 hours, and then filtering; and drying in the sun, wherein the system is stable in performance after the cement paste is prepared; the thickening time is easy to adjust; the water loss is smaller than 30ml; free fluid with an inclination angle of 45 degrees and the difference of densities are 0; the compressive strength at 50 DEG C for 24 hours is greater than 30MPa; the applicable temperature range is 50-120 DEG C; the thickening time is 110-240 minutes; and the toughened anti-channeling agent for cement is added to the toughened cement for cementing the shale gas horizontal well. The cement paste system disclosed by the invention is good in stability, and low in water loss and leakage, and can meet the requirements of multistage fracturing of the shale gas horizontal well on the cement paste system.

The invention discloses a preparing method of sugarcane-leaf hydrophobic modification nanocellulose. The preparing method includes the following steps that raw materials are weighed according to the weight ratio of sugarcane-leaf nanocellulose to stearic acid of (0.5-2):1, then the sugarcane-leaf nanocellulose and the stearic acid are put into an organic solvent capable of dissolving the stearic acid and mixed evenly, and a dispersion system is obtained; the dispersion system is put at the temperature of 20 DEG C to 70 DEG C, and is modified for 60 min to 100 min, filtering, washing and dryingare carried out, and then the modified nanocellulose is obtained. The invention also provides application when the sugarcane-leaf nanocellulose subjected to hydrophobic modification through the stearic acid serves as an antifoaming agent and an additive. Different hydrophobic degrees and different amounts of hydrophobic nanocellulose are added into an organic-silicon antifoaming agent, and the result shows that the antifoaming/foam inhibition performance of the organic-silicon antifoaming agent is continually increased along with increasing of the hydrophobic degrees and increasing of the additive amount; meanwhile, the hydrophobic nanocellulose is added, the stability of an emulsion antifoaming agent is not influenced, and the good stability is still achieved.

The invention discloses a coating mildew-proof agent and a preparation method thereof. The mildew-proof agent provided by the invention includes the following raw materials in percentages by weight: 25-50% of a pyrithione salt, 3%-10% of 4,5-dichloro-2-n-octyl-3-isothiazolone, 0.2%-0.6% of a dispersant, 0.02%-0.3% of a defoaming agent, 1%-2% of a consistence modifier, 0.2%-0.5% of an antioxidant,and 40-70% of a solvent; and the fineness of the pyrithione salt is not more than 2[mu]m. The coating mildew-proof agent provided by the invention is a safe, non-toxic high-efficiency and broad-spectrum coating mildew-proof agent with mildness and no irritating to skins, can be widely applied to a coating, and has good compatibility with the coating, and no effects on a plurality of properties such as color, viscosity, levelling performance and stability when the adding amount is proper; the mildew-proof agent provided by the invention can be directly added into the coating when being used, the general recommended usage amount is 0.2%-1%, and the mildew resistant level is 0; and the mildew-proof agent has obvious killing and resisting effects on moulds such as chaetomium globosum, mucor, penicillium, aspergillus terreus and aspergillus niger.

The invention provides a fusion method and a fusion system of a data network and a management network and devices. The system comprises a switch, the switch comprises a first network segment and a second network segment, the first network segment corresponds to a first media access control (MAC) address, and the second network segment corresponds to a second MAC address. A server is used for receiving network message sent by the switch and judging that the network message is data network message or management network message according to the MAC address in the network message. According to the embodiment, the server is simultaneously accessed to the data network and the management network through a server network card, a switch port and a set of network gathering core, so the access cost of the server can be greatly reduced.

A processing method for organic volatile compositions in a VAE emulsion comprises preparing raw materials, concretely preparing 2 wt%-3 wt% of an organic solvent, 10 wt%-13 wt% of water, 0.02 wt%-0.03 wt% of an initiator and the balance VAE emulsion; uniformly mixing the organic solvent, water and the VAE emulsion according to the percentage, heating to 85-95 DEG C for starting distillation, adding the initiator according to the percentage when distillation is performed, after distillation is performed for 4-6 h, using nitrogen to blow the container, collecting the condensed liquid, and after collection is finished, cooling and discharging. The processing method employs a high-temperature distillation means, and by adding the organic solvent, adding the initiator for cooperation when distillation is performed, and using nitrogen to blow the container after distillation is performed, the processing method helps to improve the removal rate of a residual monomer and the removal rate of benzene and other impurities, has the residual-monomer removal rate up to 99%, also has no influence on emulsion stability, particle size and molecular weight distribution, solid content and the like, and also helps to substantially shorten the processing time of the residual monomer, and benzene and other impurities, and only 8-10 hours are needed for finishing processing.

The present invention relates to emulsion science, especially within the area of alcohol-in-oil type emulsion, where the level of ions comprised in the alcohol-in-oil type emulsion is relatively high. In particular, the invention relates to a stable alcohol-in-oil type emulsion comprising a multivalent metal salt that may act as an antiperspirant.

The invention relates to a tirofiban hydrochloride freeze-dried powder injection preparation and a preparation method thereof. The tirofiban hydrochloride freeze-dried powder injection preparation produced by a freeze-dried technology of the invention greatly enhances solubility of tirofiban hydrochloride; and since the pH of redissolved liquid medicine is within the range of 2.0-8.0 and visible particles and particulate matter satisfy the requirement of the pharmacopeia, the safety of medicine is greatly improved. The tirofiban hydrochloride freeze-dried powder injection preparation has simple preparation, controllable quality, stable physical and chemical properties and safe and effective use.

An inter-plate serial communication system comprises a transmitting module and a receiving module, wherein the transmitting module is connected with the receiving module through signals. The transmitting module comprises a transmitted data buffer module and a transmitted data encoding module, wherein the transmitted data buffer module is connected with the transmitted data encoding module through signals. The receiving module comprises a received data dynamic sampling module, a received data decoding module and a received data buffer module, wherein the received data dynamic sampling module is connected with the received data decoding module through signals, and the received data decoding module is connected with the received data buffer module through signals. The transmitted data buffer module comprises a buffer queue module and a transmission control state machine. The inter-plate serial communication system is simple in design, high in communication reliability and communication efficiency, and free of time sequence pressure.

Modern blast furnaces become upsized continuously, and thus, the situations that centers cannot be blown thoroughly (dead stocks are poor in air permeability), the utilization rate of coal gas is low,and the fuel ratio stays at a high level happen frequently. The primary cause is particle segregation of a paralleled pot, a large amount of small-size coke and small-size ore enter the center of a blast furnace or an annular zone near the center, and the air-permeability of the blast furnace and reduction of the ore are severely affected, which is extremely unfavorable to iron-making productionof the blast furnace. Therefore, the invention provides a grading and quality-dividing material distribution method in a blast furnace according to an existing material distribution system, crude fuelof different grades and different weights can be loaded into different radial positions of the blast furnace according to smelting requirements, and the problem is solved. The technological process is simple and controllable, the grading and quality-dividing effect is excellent, in addition, little investment and modification are applied to existing equipment, and the process that the crude fuelis loaded into the furnace in the graded and quality-divided mode is conducted effectively and continuously.

The invention provides a capsule type budesonide dry powder inhalation and a preparation process thereof. The budesonide dry powder inhalation comprises the following components by weight: 0.16 g-0.24 g of budesonide and 20 g-30 g of lactose. As blank lactose granules are prepared, the invention can control the loading quantity easily during split charging and improve the product yield and is beneficial for industrial production. When being used, the invention reduces the content of auxiliaries entering the lung when a patient takes medicine to ease the lunge burden of the patient, reduces the side effect during the medication and has relatively large application value.

The invention discloses a eutectic crystal of famotidine and fumaric acid and a preparation method thereof. The eutectic crystal is a solvate containing one molecule of methanol, and the molar ratio of famotidine to fumaric acid is 2: 1. The invention also discloses a preparation method of the eutectic crystal. The provided eutectic crystal of famotidine and fumaric acid has a characteristic melting point, an infrared spectrum, an X-ray powder diffraction pattern and the like. The solubility of famotidine in water is improved by the eutectic crystal, the stability of famotidine under high-temperature and high-humidity conditions is not changed, and the eutectic crystal has the potential of improving the bioavailability of famotidine. The preparation method of the eutectic crystal of famotidine and fumaric acid is simple in steps, easy to operate and good in reproducibility, and has a great commercial application value.

The invention discloses an integrated multi-axis synchronous motion control system and a synchronous control method. The control system comprises a feedback sampling module and an active module; the feedback sampling module is used for sampling the running current and the running position of a multi-axis servo motor; the main control module comprises an SoC system; and the SoC system receives a sampling result of the feedback sampling module and is used for feedback position detection and calculation and feedback current detection and calculation of the multi-axis servo motor, and achieving multi-axis synchronous current loop control, multi-axis time sequence synchronous scheduling and multi-axis response synchronous control. With the integrated multi-axis synchronous motion control system and the synchronous control method of the invention, the problems that an existing multi-axis synchronous motion control method is poor in synchronization performance, high in cost, low in autonomy degree of a core technology, poor in non-whole-process time sequence-level synchronization and response-level synchronization, seriously affected in system stability, low in universality, complex in calculation and the like can be solved.

The invention relates to a method for flavoring a snack noodle body. The method comprises the following steps: (1) preparing a flavoring juice; (2) conveying the flavoring juice; (3) adjusting an atomization state; (4) adjusting the spray quantity; and (5) flavoring snack noodle. According to the method provided by the invention, a principle that the noodle needs to absorb 3-4% of water during digestion is utilized, and a process of spraying the flavoring juice for flavoring before digestion is adopted to ensure that flavoring liquid sprayed to the noodle body is absorbed into the noodle body during digestion, the noodle body is fully flavored, and free water cannot be brought into a deep-frying furnace and causes no influence on the stability of furnace oil; and in addition, the method is convenient to operate, enables the snack noodle to be fully flavored and crisp in mouthfeel, and can stabilize the quality of the oil during processing.

The method for removing free formaldehyde from hydroxy acrylic acid modified amino resin includes the following steps: adding the hydroxy acrylic acid modified amino resin into reactor, regulating pH value to 6.5-7.5; drop-adding sodium bisulfite or sodium pyrosulfite saturated aqueous solution into the above-mentioned amino resin, drop-adding time is 0.5-1 hr, controlling material temperature at 60-70 deg.C; the drop-addition is completed, controlling temperature at 60-70 deg.C and making reaction for 0.5-1 hr, adding dewatering agent and antipolymerizer, heating to boiling, constant boiling distillation to remove water content; separating out affixture of sodium bisulfite and formaldehyde and unreacted sodium sulfite crystal, using precipitation filtration method to remove crystal, reduced pressure distillating filtrate to remove dewatering agent so as to obtain the hydroxy acrylic acid modified amino resin whose free formaldehyde content is less than 0.05%.

The invention relates to a low-temperature low-oxygen preprocessing method for making NFC (Not From Concentrate) pear juice. The method comprises the following steps of pretreating raw materials; performing low-temperature low-oxygen cold mashing; performing low-temperature low-oxygen squeezing; performing homogenizing; performing sterilization; and performing refrigeration, wherein low-temperature low-oxygen condition lies in that the temperature is controlled to be 10 DEG C or below, and the content of dissolved oxygen in materials is controlled to be 0.3-2.5mg/L. Low-temperature low-oxygencold mashing and low-temperature low-oxygen squeezing are adopted, so that polyphenol content in products can be reserved to the maximum extent, and loss caused by brown stains can be avoided. The processing technology of the pear juice is simplified, few processing courses of the NFC pear juice are realized, the method is convenient to operate and easy to control, and technique popularization andutilization are facilitated.

The invention provides a disinfectant and a preparation method and application thereof, the disinfectant is gel-like, water is used as a solvent, and the disinfectant comprises or is prepared from thefollowing raw materials: 10-30 wt% of sodium hypochlorite, 2-10 wt% of polyvinyl alcohol and the balance of an additive. The disinfectant provided by the invention has high stability, can realize continuous, effective and slow release of available chlorine, has a good air disinfection effect, and especially has a good disinfection effect on suspended bacteria and/or viruses in air. Moreover, thedisinfectant provided by the invention is simple and convenient to use.

The invention aims to disclose centella total glycoside cataplasm and a preparation method thereof. The centella total glycoside cataplasm comprises the following components in percentage by weight: 5.0%-8.0% of sodium polyacrylate, 0.5%-0.8% of gelatin, 7.0%-10.0% of sorbitol, 1.5%-2.5% of PVP (polyvinylpyrrolidone), 20.0%-40.0% of glycerinum, 0.3%-0.6% of titanium dioxide, 2.0%-4.0% of beta-cyclodextrin, 0.15%-0.4% of tartaric acid, 2.0%-5.0% of centella glycoside powder, 0.05%-0.25% of dihydroxyaluminium aminoacetate and 61.5%-28.45% of purified water. Compared with the prior art, the centella total glycoside cataplasm has the characteristics of being large in drug loading capacity, convenient to use, etc, overcomes the inconvenience caused by pollution to clothes in use, and is suitable for treating trauma, operative wound, burn, keloid and scleroderma, therefore, the aim of the invention is realized.