30 results about "Minimal extent" patented technology

A radiation-sensitive resin composition comprising (A) a photoacid generator such as 2,4,6-trimethylphenyldiphenylsulfonium 2,4-difluorobenzenesulfonate or 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structure typified by a poly(p-hydroxystyrene) resin in which a part of hydrogen atoms of phenolic hydroxyl groups have been replaced by 1-ethoxyethyl groups, 1-ethoxyethyl groups and t-butoxycarbonyl groups, or 1-ethoxyethyl groups and t-butyl groups.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.

A method for drilling or cutting a pin surrounded by solid material includes the use of a water jet tool having a nozzle that is arranged at an angle with respect to a main body of the water jet tool. The water jet is directed over a portion of the surface of the pin, and removes that portion thereby fragmenting the pin. 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 used in a press-fit for the securing of blades on a turbine rotor. 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 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.

The invention belongs to the field of chemical modification of a natural high polymer material, and relates to a preparation method of high-viscosity pelletizing sodium carboxymethylcellulose. The sodium carboxymethylcellulose is industrially produced by a kneading method; the obtained sodium carboxymethylcellulose product is added to a steam stripper to carry out partial hydrolyzing in the presence of inert gases after alkalization and etherification reaction, so that the particle morphology of the product can be well controlled in a crushing process so as to play a cross-linking role by adding aluminum chloride, and the granular sodium carboxymethylcellulose with high viscosity is finally obtained. The method disclosed by the invention is simple in technical process of production, short in reaction period, less in equipment investment, low in material consumption, small in dust pollution in the entire process, and environmentally-friendly, and the body health hazard to an operator is reduced to the minimal extent.

The invention provides a functional feedstuff for solving dystocia and postpartum inflammations of sow. The functional feedstuff is composed of the components of: calcium chloride, glucose, yeast cell wall, calcium powder, vitamin C, lactobacillus, and organic selenium. The feedstuff can rapidly provide energy for bodies, and assists in improving the physical effort of labor sows. The feedstuff provides a certain laxation function and immunological enhancement effect on labor sows with constipation, and assists in reducing inflammation reactions. The feedstuff can inhibit harmful bacteria, assists in reducing the pathogenic bacteria in the sow body environment to a minimal extent, and thereby reduces disease infections. The feedstuff assists in improving the calcium ion concentration in labor sow blood, such that muscle convulsion of sows can be avoided, and parturition time can be shortened. The feedstuff assists in effectively reducing bacteria infection, and preventing postpartum urethritis and parturient canal inflammations. The feedstuff also provides functions of pain relieving and heat clearing, and assists in reducing sow parturition stress.

The invention discloses a double drive end effector for a plug seedling pot transplanting system. The double drive end effector comprises a seedling taking execution unit, a seedling picking execution unit, a seedling taking cylinder and a seedling picking cylinder; the upper end face of the seedling taking cylinder faces upwards, and a cylinder rod is connected with a distance variable crossed force applying frame; and the upper end face of the seedling picking cylinder faces downwards and a cylinder rod downwards passes through a seedling picking cylinder fixing plate and is connected with a centre rod of the seedling picking execution unit. According to the double drive end effector, the seedling taking execution unit with four assembly angle adjustable needle fingers and the seedling picking execution unit with four assembly distance adjustable picking pieces meet the pot transplanting requirements of different plug seedlings. The double drive end effector is used for a seedling pot transplanting system; after a three-degree-of-freedom mechanical arm is provided with the double drive end effector, actions of flattening, piercing to take seedlings, lifting, releasing and actively separating are completed, the automatic pot transplanting operation for different plug seedlings is implemented, a medium is damaged to the minimal extent, a phenomenon that seedling taking needlesare not completely separated from the medium is reduced, and the pot transplanting success rate is improved.