30 results about "Minimal extent" patented technology

An improved treadmill is provided that includes a base frame, a platform and an endless belt. The treadmill in accordance with the invention is characterized in that the platform includes a cushioning pad with a thickness ranging from 1 to 10 mm and is stuck to a top surface thereof, and that a smooth wear-resisting layer is attached to a top surface of the cushioning pad in such a manner that the wear-resisting layer and the cushioning pad are fitted to form a whole and the wear-resisting layer is interposed between the endless belt and the cushioning pad for providing more comfort and reducing the exercise injuries to a minimal extent.

An information storage apparatus characterized in that provided with: a data writing unit that writes the data in a data-storable information recording medium; a control information writing unit that writes control information in a predetermined region of the information recording medium, the control information being related to the data-writing by said data writing unit; and a conditional control information writing unit that, while the data writing unit is writing the data in the information recording medium, if a predetermined condition is satisfied, writes the control information in the predetermined region of the information recording medium, the control information being related to the data-writing for the meantime by the data writing unit. If the predetermined condition is satisfied, the control information is written in the predetermined region of the information recording medium. Even if the power fails unexpectedly due to a power failure, for example, the loss of written data can be limited to a minimal extent.

The invention discloses a microgrid control method employing an integrated storage and distribution design. With energy storage arrays distributed in various microgrids as core control objects, active or reactive automatic balance control of connected microgrid groups is achieved. The microgrid control method comprises the specific steps as follows: in networked and grid-connected states, exchange power constant values are calculated through an energy management module and are distributed to various microgrid control modules; and the microgrid control modules can independently maintain balance of intranet power in an isolated grid state and can cooperate with the energy management module, so that constant value distribution of various distributed power generation units in the networked and grid-connected states is achieved. According to the microgrid control method, mutual aid of power is achieved through a low-voltage and medium-voltage two-stage distribution network between neighboring microgrids free of support of an extranet power supply; the microgrid operation reliability is improved; the microgrids can constantly carry out electromigration among a plurality of working conditions and automatically keep the balance of generated power and electric power; the electric energy quality is improved; the safe electricity utilization requirements are met; clean power generation resources of wind, light and the like are utilized to the maximal extent; and oil and electricity are utilized to the minimal extent, so that pollution to the environment is reduced.

A radiation-sensitive resin composition comprising (A) a photoacid generator such as

[0001]
• 2,4,6-trimethylphenyldiphenylsulfonium
[0002]
• 2,4-difluorobenzenesulfonate or
[0003]
• 2,4,6-trimethylphenyldiphenylsulfonium

4-trifluoromethylbenzenesulfonate and (B) a resin having an acetal structure typified by a poly(p-hydroxystyrene) resin in which a part of hydrogen atoms of phenolic hydroxyl groups have been replaced by 1-ethoxyethyl groups, 1-ethoxyethyl groups and t-butoxycarbonyl groups, or 1-ethoxyethyl groups and t-butyl groups. The resin composition is sensitive to deep ultraviolet rays and charged particles such as electron beams, exhibits excellent resolution performance and pattern shape-forming capability, and suppresses a nano-edge roughness phenomenon to a minimal extent.

The invention provides a flexible composite electromagnetic wave absorbing material applied to sensing radio frequency identification for internet of things. The flexible composite electromagnetic wave absorbing material comprises the following components in percentage by mass: 60%-95% of composite anti-electromagnetic interference absorbent particles and 40%-5% of an adhesive, wherein the composite anti-electromagnetic interference absorbent particles are formed by mixing, drying and dispersing of 0.1-40 microns of soft magnetic metal particles and soft magnetic levitation liquid, of which the volume ratio is (60%-70%) to (40%-30%); the soft magnetic levitation liquid is formed by stirring and mixing of an organic bridging material which is diluted until the viscosity is within the range of 100-300mPa.s, and surface-activated composite particles; and the volume ratio of the organic bridging material to the composite particles is (90%-95%) to (10%-5%). Through the organic bridging material, the effects on an electronic tag caused by electromagnetic interference under various environments are reduced to the minimal extent; impedance matching of the electromagnetic wave absorbing material and an electronic tag antenna is improved; and the frequency offset phenomenon caused by encapsulation of the wave absorbing material is solved, thus the read reliability of the tag and the compatibility of actual use of the tag are ensured.

A prop, for example for supporting the roof of an underground mine, is provided in the form of a vessel. The vessel includes a base having a bottom and one or more sides. A cover, including a top and one or more sides is provided. The top includes a space for accommodating a roof bolt when installed in a mine. Sides of the cover and of the base overlap each other to a maximal extent in a collapsed configuration. A port is formed in the one or more sides for filling the vessel with material when the sides of the cover and of the base overlap each other to a minimal extent in an extended configuration. Consequently the prop is able to go from a collapsed configuration for transportation or storage, to an extended configuration for supporting the roof of the mine. The top of the vessel may comprise a flexible envelope fast with the one or more sides of the cover for receiving the filling, in order to present a deformable upper surface for bearing an uneven load.

The invention relates to an impact buffer device of a manipulator. The impact buffer device of the manipulator comprises a buffer block, and a fixing bock, wherein a first blind hole is arranged at the right end face of the fixing block; a second blind hole is arranged at the left end face; a spring base is arranged inside the first blind hole; a buffer spring is arranged between the spring base and the buffer block; a containing groove is arranged at the right end face of the buffer block; at least two groups of longitudinal guide bumps are arranged on the longitudinal outer circumference of the buffer spring; guide grooves matched with the guide bumps are arranged at the inner wall of the containing groove and the inner wall of the second blind hole; a third blind hole is arranged at the right end face of the spring base; a fourth blind hole and a spring guide rod passing through the fourth blind hole are arranged at the left end face; the left end of the spring guide rod is fixedly connected with the buffer block; the buffer spring and a compression spring are compressed to deform when the manipulator hits against the buffer block, and the impact force on the manipulator is relieved, so that the impact of the impact force of the manipulator on parts and the manipulator is reduced to the minimal extent; the service life of the manipulator and the parts is prolonged; the cost of the production device is reduced, and the work efficiency is also provided.

The invention discloses a filter membrane clamping and collecting method for falling dust of a museum of an ancient ruined site. The method comprises the following steps: tailoring a filter membrane into a standard filter membrane with a diameter of 47mm; putting the filter membrane made of a quartz material into a muffle furnace to burn and removing residual impurities; putting into a constant-temperature and constant-humidity box and standing for over 24 hours; weighing, putting into a falling dust filter membrane collecting device with an inner diameter of 47mm; horizontally or vertically putting into a site region and carrying out falling dust collection; ending sampling and directly taking down the filter membrane; putting the filter membrane into the constant-temperature and constant-humidity chamber and keeping the consistent temperature and constant humidity for over 24 hours; and carrying out weighing and various chemical analysis. By virtue of the filter membrane clamping and collecting method for falling dust, the filter membrane is directly taken down to be subjected to weighing and chemical analysis, so that secondary pollution in falling dust collection is reduced; the analysis error in the falling dust quantity and the chemical components is reduced; the falling dust monitoring accuracy and normativity for the site environment are improved; and the interference to cultural relics and tourists is reduced to the minimal extent.

The invention discloses a method for improving precision and accuracy of trimethylsilyl ether derivatization-GC-MS determination of saccharide and carboxylic acid compounds in aerosol, belonging to the technical field of determination of saccharide and carboxylic acid compounds in the aerosol. By adopting the method, analysis determination is carried out by adopting a chromatographic column with a pre-column, and the sample is diluted at the minimal ratio before being sampled, so that the real content information in the sample is reserved, and the damage to the chromatographic column is reduced to the minimal extent. An experiment proves that accurate concentration information and good measurement accuracy can be obtained. In addition, blocked reaction in an ice bath at a low temperature after derivatization is creatively proposed, and diluting and even mixing operations are carried out at a low temperature in an uncapping manner, so that the loss of a siloxane derivative product in the sample is reduced, and the determination accuracy and the parallel precision are further ensured.

An information storage apparatus characterized in that provided with: a data writing unit that writes the data in a data-storable information recording medium; a control information writing unit that writes control information in a predetermined region of the information recording medium, the control information being related to the data-writing by said data writing unit; and a conditional control information writing unit that, while the data writing unit is writing the data in the information recording medium, if a predetermined condition is satisfied, writes the control information in the predetermined region of the information recording medium, the control information being related to the data-writing for the meantime by the data writing unit. If the predetermined condition is satisfied, the control information is written in the predetermined region of the information recording medium. Even if the power fails unexpectedly due to a power failure, for example, the loss of written data can be limited to a minimal extent.

A method for drilling or cutting a pin (31) surrounded by solid material (32) includes the use of a water jet tool (10) having a nozzle (11) that is arranged at an angle with respect to a main body (12) of the water jet tool (10). The water jet is directed over a portion of the surface of the pin (31), and removes that portion thereby fragmenting the pin (31). In order to minimise damage to the surrounding material, the portions removed touches the interface between the pin and the surrounding solid material at a minimal number of points and over a minimal extent of the interface. The method is applicable in particular to the removal of pins (31) used in a press-fit for the securing of blades (3) on a turbine rotor (1). The method facilitates “in situ” removal of pins within a confined space in a short time and at reduced cost.

The invention discloses a method for quickly and sensitively detecting a micromolecule RNA, and belongs to the field of molecular organisms. The method comprises the following steps: (1) extracting, and purifying a to-be-detected micromolecule RNA; (2) designing a probe, namely marking the probe by using biotin or digoxin; (3) liquid-phase hybridization, namely carrying out hybridization on the to-be-detected micromolecule RNA and the probe in a buffer solution, cutting off un-hybridized excessive single chain by using excision enzyme and then carrying out gel electrophoresis; (4) transferring a membrane, namely transferring the hybridized product on the gel after electrophoresis into a solid-phase support (such as nylon membrane, and a cellulose membrane); (5) incubating antibody, namely carrying out incubation hybridization on the solid-phase support containing the hybridized product obtained in the step (4) and a specific antibody; and (6) detecting a signal. According to the method, 0.005fmol of miRNA can be detected to the minimal extent, compared with the prior art, the sensitivity is improved by at least 10 times, the detection is rapid in detection speed, and high-through detection and quantitative detection can be achieved.

The invention provides a dexamethasone sodium phosphate urea cream and a preparation method thereof. The dexamethasone sodium phosphate urea cream is prepared from the following components in parts by weight: 3-8 parts of dexamethasone sodium phosphate, 1800-2200 parts of urea and emulsifiable paste matrix, wherein the dexamethasone sodium phosphate is glucocorticosteroid hormone; the pharmacological action mainly comprises anti-inflammatory, antitoxic, antiallergic and antirheumatic action; and clinical use is wide. Urea is capable of dissolving and denaturating skin keratin and increasing hydration of cuticle, so as to soften the skin and relieve the chapped skin symptom. The dexamethasone sodium phosphate urea cream provided by the invention is capable of softening the skin and preventing hands and feet from chapping; and meanwhile, a trace of dexamethasone sodium phosphate is added, compared with simply used urea or hormone drugs, the drug effect is enhanced; the side effects of the hormone drugs are reduced to the minimal extent; and meanwhile, the problem of repeated drug effect is solved.

The invention discloses a running wheel of a centrifugal machine. The running wheel of the centrifugal machine comprises a wheel body; a durable elastic layer is cladded on the outer brim of the wheel body; more than one groove is circumferentially formed in the outer brim of the wheel body, and the durable elastic layer is arranged on the grooves. By adopting the technical scheme, impact between a die and the running wheel of the centrifugal machine is effectively released in a manufacturing process of a pile body, and high-frequency vibration caused by the impact is removed, so that the radiation noise of vibration is reduced. By the groove design, the wheel body and the durable elastic layer can be firmly combined, the adhesion force of polyurethane is increased, and the internal heat of the polyurethane is dissipated to the minimal extent at the same time. The running wheel of the centrifugal machine derives from the 'Scientific Research Innovation Project of Ordinary University Graduate Students of Jiangsu Province', with the number of CXLX12_0632.

The invention discloses a lens mounting structure of a direct-reading spectrometer. The lens mounting structure comprises a lens. The lens mounting structure is characterized in that a lens is fixedly arranged on a second coupling seat in an argon atmosphere; a clean opening for directly extending to wipe the lens is arranged on the lateral wall of the second coupling seat; a dust baffle plate for sealing the clean opening is arranged on the second coupling seat, and the second coupling seat and the first coupling seat of a vacuum cavity are directly butted and fixedly arranged together. The lens mounting structure of the direct-reading spectrometer, provided by the invention, is simple in structure and convenient to use; a special structure is adopted; the lens does not need to be dismantled when the lens is wiped and cleaned; vacuum does not need to be discharged; and a constant-temperature system does not need to be damaged, and the position of the cleaned lens does not change basically, so that the effect on an optical system in a lens maintaining process achieves the minimal extent, and the cleaning is rapid and convenient.

The invention belongs to the field of quantum chemistry, and particularly to a quick testing method for crystal structure collision. By means of a periodic property of the crystal structure and certain mathematical derivation, molecule collision caused by periodicity can be detected through minimal-extent cell expansion. Because of periodicity of the crystal structure, one crystal cell comprises all information which does not cross a crystal cell boundary. For the information which crosses the crystal cell boundary, only considering of a neighborhood in the acting range of the information is required. Therefore all collisions can be detected through reducing the cell expansion range to the neighborhood of a highest collision distance. Finally an improved Euclidean distance calculating method is used for accelerating collision detecting calculation. The invention provides a quick and accurate calculating method for determining whether the crystal structure is reasonable at an aspect ofspatial position according to experience, thereby improving calculation accuracy and efficiency.

The invention relates to a high-performance sintered neodymium-iron-boron rare-earth permanent magnetic material and a preparation method thereof. The high-performance sintered neodymium-iron-boron rare-earth permanent magnetic material comprises first magnetic powder, second magnetic powder and third magnetic powder, wherein the first magnetic powder is used for forming a main phase; the second magnetic powder is used for forming a boundary region; the third magnetic powder is used for forming a grain-boundary phase; and the preparation method comprises the following steps: mixing 0.1%-10% of first magnetic powder, 1%-15% of third magnetic powder and the balance of a main-phase alloy magnetic body prepared from the first magnetic powder; and carrying out compression, isostatic pressing, vacuum sintering and thermal treatment, so as to obtain the high-performance sintered neodymium-iron-boron rare-earth permanent magnetic material. Boundary defects formed in the sintering process are improved; heavy rare-earth elements become boundary regions to the maximal extent; the coercive force is improved; meanwhile, the effects on the residual magnetism are reduced to the minimal extent; the magnetic property of the material is improved; the consumption of heavy rare earth is significantly reduced under the premise of obtaining equivalent magnetic property; and the cost is reduced.

The invention discloses a processing method of cold chain products of quick-frozen wild edible fungi. The processing method is characterized by comprising the following steps: carrying out micro-thawing on the fresh frozen wild edible fungi product, which is quickly frozen at -35 to -40 DEG C, for 8-10 minutes at -20 to -25 DEG C; putting into a frying pan at 80-120 DEG C, and adjusting an external environment of the frying pan into a vacuum condition, wherein the vacuum degree is 0.94-0.98MPa; frying for 6-10 minutes at the temperature of 90-100 DEG C, and then shedding oil of the fried wild edible fungi by using a centrifugal machine at the rotating speed of 300-360 n/min; reducing the oil content in the wild edible fungi to the minimal extent, and finally bagging or canning. By adopting the processing method disclosed by the invention, the appearance of the wild fungi can be kept; excessive moisture in the wild fungi is basically removed; the original delicious taste of the wild fungi is reserved; long-distance logistics transportation is facilitated.