589results about How to "Improve fixation efficiency" patented technology

The invention provides a method for improving resolving success rate of medium and long baseline GPS integral cycle fuzziness, and aims to provide a method with advantages of high fuzziness real solution precision and high success rate. The method is realized through a technical solution which is characterized in that the method comprises the steps of setting an elevation mask angle by means of monitoring and measuring software, acquiring rough coordinates of a main measurement station and an auxiliary measurement station, and extracting useful observation data; selecting a reference satellite, comparing observation data of the main measurement state with the observation data of the auxiliary measurement station, establishing a double-difference observation equation by means of the observation data of the main measurement station and the auxiliary measurement station, performing state updating and parameter estimation on an observed equation by means of a Kalman filter, and solving a fuzziness float solution; then, converting the fuzziness float solutions of GPS double-difference carrier L1 and L2, and forming a vector set which comprises a wide lane integral cycle fuzziness and a carrier L1 fuzziness; searching the wide lane integral cycle fuzziness by means of a LAMBDA algorithm, obtaining the integer solution of the wide lane integral cycle fuzziness after fixation, and finally determining the success rate of the resolved fuzziness through a preset threshold, and confirming a correctly resolved integral cycle fuzziness.

The invention belongs to the technical field of plant microscopic observation and discloses a paraffin sectioning method for eucalyptus tissue. The method comprises the steps of preparing materials, fixing, washing, dehydrating, performing a transparency treatment, waxing, embedding, sectioning, displaying the sections, adhering the sections, roasting the sections, dewaxing and rehydrating, dyeing, dehydrating, redyeing and enclosing the sections. According to the paraffin sectioning method for the eucalyptus tissue, utilized novel stationary liquid polyhydroxyl acrylic acid has high speed, can largely shorten the fixing time and can balance the fixing; meanwhile, xylene replaces with a safe and nontoxic TO transparent reagent, the TO transparent agent can be solved with alcohol of 95% at 25 DEG C or above, can solve paraffin and sealed vegetable glue, has excellent volatility without bad influence on dyeing of common biological dye, and has relatively better transparency and dewaxing effects, and after the transparency treatment is performed, the tissue is unlikely to embrittle, the sections can keep complete; furthermore, neutral vegetable glue replaces with a section sealing agent CVmount. After the fixing, dehydrating and section sealing steps during optimization of paraffin sections are performed, the section production cycle is shortened by at least 72 hours on the premise of ensuring the sectioning effect.

The invention discloses a method for producing microalgal oil by using flue gas, wherein the method includes the steps: (1) adding a microalgae culture medium and a scenedesmus obliquus FSH-Y2 seed liquid into a photobioreactor, regulating the pH of the culture system to 10-12, introducing flue gas with the CO2 volume content of 1 v%-5 v%, and culturing for 2-5 days; and (2) regulating the pH value of the culture system to 8-10, inoculating with monoraphidium sp. SS-B1 and ankistrodesmus sp. SS-B7 seed liquids, carrying out mixed culture, introducing flue gas with the CO2 volume content of 5 v%-45 v%, culturing to a stable stage under continuous illumination, and harvesting microalgae cells, wherein the scenedesmus obliquus FSH-Y2, the monoraphidium sp. SS-B1 and the ankistrodesmus sp. SS-B7 are respectively preserved in China General Microbiological Culture Collection Center on September 11, 2012 and on April 15, 2013 respectively and have the preservation numbers of CGMCC No.6551, CGMCC No.7479 and CGMCC No.7478 respectively. The method improves the tolerance and the solubility of the microalgae culture system on high-concentration CO2, improves the carbon sequestration efficiency, obviously increases the yield of the microalgal oil, and can realize purification of the flue gas.

The invention relates to a carrier phase difference positioning method and device and a single-frequency receiver, and the method comprises the steps: judging whether to carry out the ambiguity search or not according to a preset sampling time interval; substituting a satellite continuous and effective tracking epoch number weight factor, a satellite elevation weight factor and a carrier phase posterior windowing residual error weight factor into a preset ambiguity satellite selection weight factor formula if the ambiguity search is carried out, and calculating a ambiguity satellite selection weight factor; selecting a ambiguity search subset according to the ambiguity satellite selection weight factor; carrying out the ambiguity search through employing an LAMBDA algorithm, and obtaining an ambiguity fixed subset; respectively judging whether the obtained ratio value and DN value are greater than a preset first threshold value and a preset second threshold value or not, and carrying out the ambiguity confirmation of the ambiguity fixed subset; judging whether the number of double-difference ambiguities is greater than or equal to 4 or not if the obtained ratio value and DN value are greater than the preset first threshold value and the preset second threshold value; solving a fixed solution of a base line based on a preset carrier single-difference model if the obtained ratio value and DN value are not greater than the preset first threshold value and the preset second threshold value; and outputting the fixed solution. The method can enable the single-frequency receiver to carry out the RTK high-precision positioning.

The invention relates to the technical field of soil conditioners and particularly relates to a soil heavy metal biological fixing agent and an application method thereof. The formula of the soil heavy metal biological fixing agent is that every one kilogram of an organic fertilizer is added with 2-10 g (109 CFU/g) of B. natto solid leavening agent, 2-10 g (109 CFU/g) of B.mucilaginosus solid leavening agent, 2-6 g (109 CFU/g) of B.megaterium solid leavening agent and 4-10 g (1010 CFU/g) of Trichoderma koningii solid leavening agent, wherein the main ingredients of the biological organic fertilizer contain more than 40% of organic matter, more than 20 million/g of effective viable count, and more than 5% of total nutrient. The soil heavy metal biological fixing agent is low in cost, has few environmental risks, remarkably reduces the absorption of the heavy metals of the crops, improves the soil fertility, effectively prevents and cures the soil-borne diseases and increases the economic benefit of the crops.

The invention discloses parachlorella kessleri with the tolerance to a high pH and culture and applications of parachlorella kessleri. A parachlorella kessleri mutant strain FSH-Y3 with the tolerance to the high pH is obtained through the method adopting ultraviolet mutagenesis and acclimation screening utilizing step-by-step pH increase, the classification name is Parachlorella Kessleri, and the parachlorella kessleri strain FSH-Y3 is prepared in the China General Microbiological Culture Collection Center (CGMCC) on May 26, 2014, and is assigned with the accession number of CGMCC No.9238. The bred parachlorella kessleri FSH-Y3 can well absorb and utilize carbon dioxide at the high pH, and rapidly grow and reproduce, therefore, the problems that the existing parachlorella kessleri only can grow at the neutral pH, but the solubility of carbon dioxide is low, and the carbon dioxide fixing efficiency is low under the neutral pH condition are solved.

The invention discloses a strain of chlorella, which is classified to be named as chlorella vulgaris and is preserved in China Centre for Type Culture Collection, and the preservation number is CCTCC NO.: M 209256. The invention also discloses the application of the chlorella in producing microalgae oil and fixing CO2. The chlorella can endure 24.5% of CO2 concentration, the content of grease can reach 17-31%, and the invention has higher CO2 fixing efficiency than ordinary seawater algae, and can obtain high-yield microalgae oil by selecting appropriate culture conditions, so the culture cost of the microalgae can be greatly reduced, and a good production strain is provided for preparing biodiesel by the microalgae oil.

The invention provides freshwater chlorella sorokiniana XJ02 and application thereof in fixation of CO2 and production of microalgae oil. The preservation number of the chlorella is CCTCC (China Center For Type Culture Collection) NO: M2013104. The chlorella disclosed by the invention can be used for fixing 0.03-20% of CO2 at high efficiency, the CO2 fixation efficiency of chlorella is 130-343mg/L/d, the biomass (dry weight) concentration of the chlorella is 720-2250mg/L, the oil content of chlorella is 29.2-41%, the oil fatty acid of the chlorella is mainly composed of C16 and C18 short-chain fatty acids, and the chlorella is suitable for production of biodiesel. Compared with the reported microalgae, the chlorella has higher CO2 fixation efficiency and biomass yield; and the chlorella can be used for obtaining the microalgae oil at high yield by selecting an appropriate culture condition, thus the production cost of the microalgae oil can be greatly reduced. An excellent production algae is provided for high-efficient fixation of CO2 in the environment and preparation of biodiesel by the microalgae oil.

The invention discloses a rapid fixing method and system of fuzziness between GNSS network RTK reference stations. The method comprises steps of S1 resolving a double-difference fuzziness floating point solution between the GNSS network RTK reference stations; S2 constructing a virtual indirect adjustment observation model and a constraint according to the double-difference fuzziness floating point solution; S3 using the virtual indirect adjustment observation model and the constraint as an observation equation and a limiting condition in an accompanied limiting condition indirect adjustment model, establishing an indirect adjustment resolving model of an accompanied limiting condition, and resolving an optimal floating point solution of the double-difference fuzziness; and S4 using a least square reduction related adjustment method to carry out searching calculation on the optimal floating point solution of the double-difference fuzziness, and determining the double-difference fuzziness. According to the invention, enclosed constraints of the fuzziness between the reference stations are fully used; the searching range of the fuzziness floating point solution is reduced; and the fuzziness fixing efficiency is improved.

The invention discloses a cable terminal tightening device. The cable terminal tightening device comprises a tightening device and a tightening wire clip, wherein the tightening device comprises a wire pressing body, a movable press block and a pressing screw rod; the wire pressing body comprises a connecting part and a support part; the movable press block is arranged between the connecting part and the support part through the pressing screw rod and is only performed with the linear movement between the connecting part and the support part; the tightening wire clip comprises a male clip, a female clip and a locking device; the male clip and the female clip are tightly matched with the movable press block and the support part; in the use process, a bent cable terminal is arranged between the male clip and the female clip, and then the pressing screw rod is rotated to enable the movable press block to move relative to the support part until the cable is pressed under the matching action of the male clip and the female clip; the male clip, the cable and the female clip are locked together through the locking device; finally, the pressing rod is reversely rotated to disengage the tightening wire clip from the tightening device. The cable terminal tightening device has the advantages that the cable terminal can be quickly tightened, the fixing efficiency of the cable terminal is greatly improved, the firmness is good, the structure is simple, and the universality is good.

The invention relates to a foliar fertilizer used for enhancing the photosynthesis of plants, and its preparation method. The foliar fertilizer which is a composition comprises a part A and a part B, the part A comprises 1-3% of chitosan, 1-3% of ribulose-1,5-bisphosphate carboxylase, 5% of a surfactant, 1-5% of an antifreeze agent, 5-10% of acetic acid, 10% of ethanol, 0.1-0.2% of a stabilizer, and the balance water, and the pH value of the part A is 4-6; the part B comprises 5-5% of sodium bisulfate, 5-10% of biochemical fulvic acid, 1-5% of the antifreeze agent, 5% of the surfactant, 5-10% of potassium dihydrogen phosphate, 5-10% of urea, 1-3% of magnesium sulfate, 0.1-0.2% of a stabilizer, and the balance water, and the pH value of the part B is 7-8; a ratio of the part A to the part B is 1:1; and materials of the part A and materials of the part B are uniformly stirred and mixed at normal temperature to form the composition, and the composition is diluted to 1000-2000 times aqueous solution spray when the composition is used. The foliar fertilizer can effectively solve the problems of bad color and low quality caused by possible-meeting of bad natural environment after too late bag removal of bagged apples.

A label fixing device of an automatic Pu'er tea cake press is arranged above a rotary disc of a preliminary pressing device. The label fixing device comprises a lifting mechanism, a label suction mechanism and a tea grabbing mechanism. The label suction mechanism and the tea grabbing mechanism are both arranged on the lifting mechanism. The tea grabbing mechanism comprises a finger air cylinder. The finger air cylinder is arranged above lower dies of the preliminary pressing device. The label suction mechanism comprises a label suction cup used for sucking labels and a first rotary air cylinder enabling the label suction cup to be transferred to the position above the lower dies of the preliminary pressing device. The label suction cup is fixedly connected with the first rotary air cylinder. The label fixing device comprises the tea grabbing mechanism, part of tea is covered with the surfaces of labels, and the labels are firmly pasted to the surfaces of tea cakes, so that the labels are prevented from being damaged or falling off during pressing.

The invention belongs to the technical field of sofa plate polishing, and particularly relates to a convenient-to-adjust polishing device for sofa processing. In order to solve the problems that the position of an existing polishing mode is inconvenient to adjust, dust generated by polishing cannot be cleaned, the fixing mode is single, and the fixing effect is poor, the following scheme is provided. The convenient-to-adjust polishing device for sofa processing comprises a machining plate, two vertical rods are slidably mounted at the top of the machining plate, one same connecting rod is fixedly mounted between the two vertical rods, a transverse mechanism is arranged at the bottom of the connecting rod, a guide block is connected to the transverse mechanism, a grinding motor is fixedly connected to the bottom of the guide block, a worm is fixedly connected to an output shaft of the grinding motor, a grinding head is connected to the bottom end of the worm, and two dust collection structures are symmetrically installed at the bottom of the guide block and matched with the worm. According to the convenient-to-adjust polishing device, the grinding position can be conveniently adjusted, comprehensive grinding can be achieved, the dust generated by grinding can be cleared away, and the fixing efficiency is improved.

The invention discloses a continuous coating device. The continuous coating device comprises a bottom plate; a protective cover is fixedly connected with the upper surface of the bottom plate and is internally provided with a first rotating motor; the bottom end of the first rotating motor is fixedly connected with the upper surface of the bottom plate; the output end of the first rotating motor is fixedly connected with a supporting plate; the lower surface of the supporting plate is fixedly connected with a supporting rod; the bottom end of the supporting rod is fixedly connected with a universal wheel; a workpiece fixing mechanism is fixedly arranged on the upper surface of the supporting plate; an electric pushing rod and a material storing box are perpendicularly and fixedly connectedwith the upper surface of the bottom plate; the left side face of the material storing box is provided with a groove which is connected with a third fixing block in a sliding manner; and the left side face of the third fixing block is fixedly connected with a spraying head. The continuous coating device is easy to operate, saves time and labor, is convenient, fast and efficient, improves the workpiece fixing efficiency, can achieve continuous coating of workpieces, improves the coating quality, improves the workpiece coating efficiency and lowers the work intensity for coating personnel.

The present invention provides an infrared absorbent having a light absorption peak in the infrared region and a crystallinity of 20 to 80%, an electrophotographic toner including the infrared absorbent, and an image forming apparatus having an electrophotographic image forming unit for forming a toner image on a recording medium with the electrophotographic toner and a fixing unit for fixing the toner image on the recording medium.

The invention discloses a surface emitting laser packaging fixture, relates to the technical field of semi-conductor optoelectronics, solves the problem that a packaging machine for packaging a surface emitting laser is high in welding cost, poor in mobility, and infirm in fixing and has deviation easily. The surface emitting laser packaging fixture comprises a fixture main body; the middle of the fixture main body is provided with a rectangular sinking structure, and two ends of the fixture main body are provided with bulge structures in the same width; the middle of a bulge structure at one end is provided with a sliding groove; the fixture also comprises an ejector rod, a left fastening part and a right fastening part; the ejector rod penetrates through the sliding groove and is movably connected with the fixture main body; a spring is sleeved in the ejector rod; the left fastening part and the right fastening part are respectively provided with a length adjusting groove; and the left fastening part and the right fastening part are fixed with the fixture main body through adjusting screws in the length adjusting grooves. The surface emitting laser packaging fixture is simple in structure, high in mobility, small in deviation and easy and convenient to operate, and improves the efficiency of a welding process.

The invention discloses a computer hard disk mounting structure with heat dissipation and exhaust functions. The structure includes a substrate, a hard disk body and cooling fan blades. A movable block is mounted in the lower end of the base body. The inner surface of the lower end of the base body is fixedly connected with a first torsion spring. A transmission gear is fixedly connected to the outer side of the first torsion spring, a first pull rope is arranged at the middle end of the transmission gear, the hard disk body is installed in the base body, a special-shaped wheel is installed onthe outer surface of the base body, connecting rods are arranged in the two sides of the base body, and first reset springs are fixedly connected to the outer surfaces of the connecting rods. The invention discloses a computer hard disk mounting structure with heat dissipation and exhaust functions. The installed hard disk body can be effectively limited and fixed through the two sets of limitingrods and clamping blocks, the heat dissipation and exhaust efficiency of the device is fully improved in cooperation with a connecting block made of a copper block material, and a user only needs todrive a special-shaped wheel to rotate through a handle, so that the hard disk body can be easily disassembled.

The invention discloses a welding device for industrial machinery production. The welding device comprises a base; an arc groove is formed in the outer wall of the top of the base; a first ring is mounted on one side of the outer wall of the top of the arc groove; the inner wall of the first ring is rotationally connected with a first fixed ring; a tooth groove is formed in one side of the peripheral outer wall of the first fixed ring; a fixed plate is mounted on the outer wall of the top of the first ring; a motor is mounted on the outer wall of the top of the fixed plate; a gear sleeves theperipheral outer wall of an output shaft of the motor; and the gear is engaged with the tooth groove on the first fixed ring. In the welding device, through arrangement of a lead screw, a slide blockand a servo motor, a second ring can be driven to move, and two round pipes to be welded can be tightly bonded to achieve welding; and through arrangement of the motor, the gear and the tooth groove on the first fixed ring, the round pipes on the second fixed ring and the first fixed ring can be driven to rotate for total welding of the peripheral outer walls thereof, so that the working efficiency is improved.

The invention discloses a vibration fluidized soil body ship anchor and a using method thereof. The ship anchor comprises a shell and a ship anchor connecting buckle arranged at the top of the shell,the tail end of the ship anchor connecting buckle is connected with a traction rope, a telescopic rod fixing device and a pressure sensor are arranged above the shell, the bottom of the shell is connected with an anchor tip, and an electromagnet is arranged in the shell. The external structure of the ship anchor is improved, the principle that the water pressure is different from the water bottompressure is applied, and a spring vibrator, a magnet and the like are additionally arranged in the ship anchor, so that the fixing degree of the ship anchor at the water bottom is improved.

The invention discloses a fixing device for orthopedic surgery. The fixing device comprises a placement plate; installation blocks are fixedly installed on both sides of the front face of the placement plate, a semicircular clamp ring is arranged on the front face of each installation block, positioning pins are arranged on both sides of the front face of each clamp ring, and one end of each positioning pin penetrates through the corresponding clamp ring and extends into the corresponding installation block; a fixed plate is fixedly installed at the top of the placement plate, a motor is fixedly installed on the front face of the fixed plate, and a rotating disc is fixedly installed on an output shaft of the motor. According to the fixing device, by the arrangement of the installation blocks, the clamp rings and the positioning pins, the leg of a patient can be fixed; by the arrangement of the fixed plate, the motor, the rotating disc, a moving plate, a moving rod, a first clamping plate and a second clamping plate, the leg of the patient can be fixed, the accuracy of surgical drilling can be guranateed, the surgical efficiency can be improved, and meanwhile the problems that the fixing effect is poor, adjustment is inconvenient, the drilling precision is reduced, and consequently a lot of time is wasted are solved.

The invention relates to the technical field of biomass energy, and in particular to a freshwater chlorella strain (i) Chlorella sorokiniana (/i) GS03 and application thereof to industrial flue gas CO2 fixation and production of microalgae biodiesel. The chlorella strain (i) C.sorokiniana (/i) GS03 provided by the invention has a preservation number of CCTCC M2013607, and higher CO2 tolerance, higher fixation efficiency of high-concentration carbon dioxide and higher biomass yield and oil yield compared with the reported microalgae strains. Therefore, the invention can greatly reduce microalgal oil production cost, and provides a good production strain for algae for efficient fixation of CO2 in typical industrial flue gas environment and biodiesel production from microalgae oil, and shows great application prospect in the field of biomass energy.

The invention discloses a preparation method and application of denitrifying bacteria immobilized on a graphene-based composite material, relating to the field of microorganism environmental protection. The preparation method comprises the steps of (1) inoculating an enrichment medium with denitrifying bacteria to cultivate, centrifuging a cultivation liquid to remove supernate, so as to obtain bacteria; suspending the bacteria in normal saline, so as to obtain a denitrifying bacteria suspension; (2) adsorbing the bacteria suspension for 2-6 hours by using 1wt% of charcoal powder, so as to obtain an adsorption solution; (3) preparing an embedding agent of the graphene-based composite material through a covalent cross-linking method; (4) uniformly mixing the adsorption solution with the embedding agent so as to obtain a mixed carrier; and (5) dripping the mixed carrier into the cross-linking agent drop by drop, cross linking to obtain the immobilized microorganism particles. The prepared immobilized microorganism has high tolerance and high activity, and can treat nitrogen-containing sewage actively and repeatedly.