76results about How to "Meet various requirements" patented technology

The present invention features that PVA of polymerization degree 500-2000 and alcoholysis degree 75-99 mol% in 100 portions is mixed with solvent mixture of dimethyl sulfoxide and water in 200-400 portions, the mixture is stirred and heated to 80-120 deg.c at -0.01--0.08 MPa pressure in a stainless steel reactor for 3-4 hr to compound the spinning solution, and the spinning solution is filtered and defoamed and used in spinning to obtain water soluble PVA fiber after post-treatment. The PVA fiber has a water solving temperature of 10-90 deg.c, strength greater than 3.5 cN/dtex, monofilament length of 1.5-10 dtex, fracture elongation of 15-30%. It may be processed into top, which may further blended with wool top, cotton, top, etc. to produce fine yarn or hollow yarn, or cut into staple fiber for producing non-woven fabric, etc.

The invention relates to a preparation technique of water-soluble polyvinyl alcohol fiber and application thereof, which is characterized in that in the preparation of spinning stock solution, the mixed solvent of dimethyl sulfoxide and water is used for dissolving polyvinyl alcohol, and the weight percentage concentration is controlled to 5-25%; porous wet gel spinning is adopted, and at least 5000 holes are available; and the water soluble temperature of the obtained fiber is 20-80 DEG C. The invention shortens the dissolution time of the polyvinyl alcohol and leads the polyvinyl alcohol to be fully dissolved; and the obtained solution is good in spinnability, is capable of producing high-quality water-soluble fiber and realizes the requirement of industrialization for the yield. The water-soluble fiber obtained by the invention is used for producing long tows, or being processed into wool tops, or being blending with the wool tops, cotton slivers, hemp and other chemical fibers, and can be made into high count yarn or hollow yarn or short fiber used for non-woven fabrics, embroidered base cloth and paper making.

The invention relates to a remote medical monitoring and security monitoring system, and aims to solve technical problems that functions of exiting monitoring systems are simplex and the systems are poor in mutual compatibility, etc. The remote medical monitoring and security monitoring system comprises an all-in-one machine, a center cloud server and a monitoring center. The all-in-one machine integrates a medical monitoring system, a regional environment monitoring system, a video monitoring system, an entrance guard system and an alarm system into one body. Data packets acquired and generated by the all-in-one machine is uploaded to the center could server in real time. The center could server receives and processes and stores data for the monitoring center to use. According to the invention, comprehensive and multi-aspect monitoring can be carried out on monitored areas. Through a cloud technology platform, management can be carried out on the plurality of monitored areas, and large scope monitoring and remote distance observation can be realized.

The invention relates to a multifunctional hotel service robot. The multifunctional hotel service robot comprises a car body, a motion control module, an environment sensing module, a human-computer interaction module and a main machine interaction module; and after the robot is started, related modules receive interaction information from guest rooms and control instructions from a hotel main server to provide the services of luggage conveying, meal delivery, chatting or hotel introduction. Compared with the prior art, the multifunctional hotel service robot can provide the services of humanface recognition and verification, guest luggage carrying and meal delivery, checking guidance and door opening, improves the hotel service efficiency, and reduces the hotel labor cost. The multifunctional hotel service robot adopts a distributive navigation system to achieve high reliability and high feasibility; and meanwhile, a series of interaction modes for robots and servers with other equipment are designed, so that the practicability is improved, and the robot can provide multiple reliable function services.

The invention discloses a rain model method, which is characterized by comprehensively considering influence on rain by the form, the speed and the size of a raindrop, rainfall and different wind fields so as to build a real and credible rain model corresponding to different models. The rain model method belongs to the field of virtual reality. The form, the speed and the size of the raindrop, the rainfall as well as wind speed and wind direction in a scene can be obtained by sampling a great quantity of real rain by a sampling device which integrates a high-speed camera, a dynamic particle analyzer, an ombrometer and an anemoscope, and are all typed into a database. A given rain parameter required to model is matched with a parameter in a database to calculate other rain parameters which most conform to the requirement under the circumstance so as to model. According to the multiattribute rain analogy method based on a sampling device, the defect of low reliability in the traditional method is overcome, and rain with multiple physical attribute is simulated by real sampling data.

The invention discloses an energy-saving forklift with the gravity center capable of being adjusted. The energy-saving forklift with the gravity center capable of being adjusted comprises a forklift body which comprises a forklift main body, wheels, a work device, a driving device and a control device; the control device is connected with the work device and the driving device which is connected with the wheels; the wheels are connected with the forklift main body and comprise a first wheel set and a second wheel set; the first wheel set is provided with a hydraulic device capable of controlling the first wheel set to ascend or descend, so that the first wheel set or the second wheel set can make contact with a road surface to run; the work device comprises a goods fork and a lifting device; the forklift main body is connected with the lifting device which is connected with the goods fork; the goods fork is provided with a telescopic device which can control the stretching and shrinking length of the goods fork; the forklift main body is provided with a balancing weight which is provided with a cavity; and a balance weight object can be placed in the cavity so that the weight of the forklift body can be changed. The energy-saving forklift with the gravity center capable of being adjusted is simple in structure, convenient and practicable, and capable of widening the using range of the forklift and improving the safety of a driver.

The present invention relates to a multimedia home clock. The multimedia home clock comprises a housing, the right side of the housing is provided with a LED liquid crystal display module, the back of the housing is connected with a support, the housing is internally provided with a main controller, a clock module, a music play module and a WIFI module; and the main controller is connected with the LED liquid crystal display module, the music play module, the clock module and the WIFI module. A plurality of clock times are remotely set by users through the WIFI module for prompting, each clock is remarked by corresponding events, and after the timing of the time reaches the clock time, the clock module can transmit signals to the main controller, the main controller can report voice through the music play module, display the current event to be processed through a LED liquid crystal display and transmit the event to a remote user mobile phone for prompting through the WIFI module. The multimedia home clock has abundant and various functions and can perform remote control.

The invention discloses an MOFs material with efficient water collection performance, a preparation method of the MOFs material and application of the MOFs material to water extraction from air, wherein the MOFs material is a frame material with one-dimensional pore channels, the structural general formula of the MOFs material is Zr3L, and L is a tetracarboxylic acid ligand with different hydrophilic functional groups; the one-dimensional hole channel comprises a triangular hole channel with the diameter and a hexagonal channel with the diameter. The material has a porous structure modified by a hydrophilic function, and still has high water absorption capacity exceeding 0.42 g <-1 > under the condition of low humidity of 20%. The material has a unique csq topological structure, shows extremely rare ultrahigh chemical stability, and provides powerful guarantee for long-term stable water collection practical application of the material. A low-boiling-point green solvent is adopted for preparation, so that use of a high-boiling-point toxic organic solvent and subsequent tedious and multi-step solvent exchange and activation processes of a traditional MOFs material are avoided. The material has very wide application potential in the field of adsorbent-based atmospheric water collection.

The present invention discloses a PWM control circuit and a PWM signal generation method. Through setting the number of sub-cycles, the number of actually outputted pulses and the high-level time of each pulse in a synchronization cycle, the average duty cycle of a PWM signal is adjusted, thus the driving requirement is satisfied, the flexibility of system regulation is greatly improved, and on the basis of not increasing the system control complexity, the average of the average duty cycle of the PWM signal is broaden. The PWM control circuit of the technology of the invention can output multiple paths of PWM signals, and the parameter of each path can be independently set according to the needs of the users. In each path of PWM signal, the alignment mode of the pulse can be freely set according to the needs of the users, and thus the PWM control circuit of the technology of the invention can satisfy the various requirements of the users.

The invention discloses a seed agent stirring machine for planting industry. The seed agent stirring machine comprises two fixing brackets, horizontal plates are arranged between the two fixing brackets, both ends of the horizontal plates are respectively and fixedly connected to the symmetrical side surfaces of the two fixing brackets, bearings are respectively embedded on one side surfaces of each horizontal plate, the inner ring of the bearing is fixedly connected to a first shaft body, the left end of the first shaft body is fixedly connected to a forward rotation motor, one end, away fromthe forward rotation motor, of the first shaft body is fixedly connected to a rotation plate, one side surface, away from the first shaft body, of the rotation plate is fixedly connected to a rotation drum, the right side surface of the rotation drum is provided with a through hole, a second shaft body adapted to the through hole is arranged inside the through hole, one end of the second shaft body sequentially penetrates through the bearing and the through hole and extends into the rotation drum, and one end, extending into the rotation drum, of the second shaft body is fixedly connected toa spiral fin. According to the present invention, the seed agent stirring machine has advantages of high efficiency and uniform stirring, and can meet the simultaneous use of the aqueous agent and thepowder agent.

The invention discloses a bacteriostatic and antibacterial atomized liquid and a preparation method thereof. The atomized liquid comprises a base liquid and a traditional Chinese medicine extract, wherein the base solution is a mixed solution of glycerol, propylene glycol and ethanol, and the traditional Chinese medicine extract comprises a clove extract, eugenol and at least one of methyl jasmonate, linalyl acetate and isoamyl salicylate; the mass ratio is 29.7 to 58.4 percent of glycerol, 30.2 to 45.4 percent of propylene glycol, and 0.8 to 6.3 percent of eugenol; 0.1 to 2.93 percent of methyl jasmonate; 0.1 to 2.52 percent of linalyl acetate; 0.1 to 3.25 percent of isoamyl salicylate; and the balance of clove extract. The atomized liquid is advantaged in that the healthy electronic cigarette tar is provided for a user, and the antibacterial effect on the respiratory tract is good.

The optical source abnormal prompting method for visual display device with optical engine comprises: sensing the abnormal phenomena; outputting prompting information for sensed abnormal. Wherein, the device comprises: a luminous bulb as optical source with optical engine, a balancer for optical source to drive and control the optical source to detect abnormal and send abnormal signal, a memory to store abnormal promoting sound data, a sound mixer and tone generator to receive sound data and output composed sound, and a controller to receive and read abnormal signal from optical source to supply to said mixer.

The invention discloses a sand and powder separation system and belongs to the technical field of sand and powder separation. The sand and powder separation system comprises a sand and powder separator, a blower and an induced draft fan, wherein the sand and powder separator is formed by splicing a rectangular box body and an arc-shaped box body; the tail end of the rectangular box body is connected to an air outlet of the blower through an inlet air guide pipe; a sand feeding opening is formed in the inlet air guide pipe; a choke plate is arranged on the side, close to the blower, of the sandfeeding opening; a coarse sand discharge opening and a medium sand discharge opening are formed in the bottom of the rectangular box body; an outlet of the arc-shaped box body is connected to an induced draft opening of the induced draft fan; and a first fine sand discharge opening is formed in the position, close to the rectangular box body, of the bottom of the arc-shaped box body. The sand andpowder separation system separates sand from powder in the sand and powder separator through the blower and the induced draft fan; and owing to a special shape structure of the sand and powder separator, the content of stone powder in the sand is less than 4%, the content of stone powder in a building material that is produced by taking the sand as a raw material is less, and the quality of the building material is more stable.

The invention discloses a resume screening method. The method comprises: obtaining resume text content; performing screening and primary processing on the text data; performing Chinese word segmentation on the resume plain text content; constructing a word frequency cloud; calculating the eccentricity of each word; storing the eccentricity of each word in a database for calling and querying; performing word segmentation on the to-be-screened resume text content; querying the corresponding eccentricity of each word in the word frequency cloud database after the word segmentation operation; calculating the average eccentricity of the whole to-be-screened resumes; and judging whether the resume meets the requirement or not according to a preset eccentricity threshold value. According to the screening method, a recruitment website can simply and quickly perform preliminary screening on massive resume information contents input by job seekers, suspected low-quality resumes are screened out, and operability and convenience are provided for the next step of accurate screening of the low-quality resumes.

The invention discloses a preparation method of an iron-based metal organic framework composite material with an MOF-On-MOF framework, an obtained product and application, the iron-based metal organic framework composite material is synthesized by adopting an MOF-On-MOF strategy, then drugs such as doxorubicin hydrochloride are loaded in double-layer MOF-On-MOF pore cavities, and the drug-loaded iron-based metal organic framework composite material is obtained. The synthesized composite material is uniform in size, the second MOF layer not only improves the drug loading capacity, but also can be used as a gating entity, and premature drug leakage is avoided. The composite material has good pH and GSH response capability, has peroxidase-like catalytic activity under an acidic condition, can catalyze H2O2 to generate. OH, shows the potential of chemodynamic therapy for treating cancers, well expands the demand of combined treatment of cancers by using chemotherapy and chemodynamic therapy in the practical application field, and has a wide application prospect. And possibility is provided for clinical application.

The application, which relates to the material screening, discloses a die capable of realizing high-flux component screening and a forming method thereof. The die comprises a loading die cavity, a plurality of lateral spacers, a base, and a pressing head. The loading die cavity has a cavity and is used for placing raw materials and installing other parts. Each of the plurality of lateral spacers is installed in a horizontal direction of the cavity and is connected detachably with the cavity to divide the cavity into a plurality of equal or non-equal spaces; each space is used for placing raw materials with different components at different proportions, thereby carrying out optimization of two or more than two kinds of component. The base is installed at the bottom of the loading die cavity. The pressing head is pressed down from the upper end of the s loading die cavity to the lower end to press the raw materials into pieces. During the preparation of the experimental ingredients, thetwo or more than two kinds of raw materials can be mixed in a gradient manner directly in the die, wherein the components change continuously; and the mixed raw materials in the die can be pressed simultaneously once, so that the work efficiency is improved substantially.