57results about How to "Strong economic value" patented technology

Disclosed is a centralized control method for a precision machine room air-conditioner system. The method comprises the steps that (1) indoor temperature and the humidity are monitored in real time, and a mathematic model is adopted for starting one precision air conditioner once the temperature or the humidity exceeds the upper limit or the lower limit; (2) after a few periods of time, the temperature and the humidity are monitored again, and if the temperature and the humidity are within the stopping range, all the precision air conditioners are stopped; if the temperature and the humidity are not within the stopping range, the mathematic model is adopted for starting another precision air conditioner; (3) the step (2) is executed repeatedly until the temperature and the humidity are within the stopping range. According to the centralized control method, on the premise that safe and stable running of a machine room can be ensured, the starting and stopping frequency of one single air conditioner is reduced, the service life of the air-conditioner system is prolonged, the maintenance cost of the machine room is reduced, and the centralized control method has high economic value.

The invention relates to a novel crystal form and a preparation method of hemisuccinate of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-yl amino)-7H-pyrrolo[2,3-D]pyrimidine-6-carboxylic acid dimethylamide and a novel crystal form and a preparation method of monosuccinate. The novel crystal forms of hemisuccinate and monosuccinate of a compound represented by a formula (I) (shown in the specification) have the beneficial performance of good stability, relatively low hygroscopicity, process exploitability and tractability, are low in cost and have important values on the optimization and development of drugs in further, and the preparation methods are simple.

The present invention discloses a decision optimization method of multi-land seed selection based on combination optimization. Aiming at a multi-land seed selection decision problem, a multi-land grain seed selection decision model based on a combination optimization theory method is constructed to achieve decision optimization of multi-land seed selection. The method comprises the steps of: constructing a training sample set; obtaining key factors which influence a yield; constructing a neural network model and performing training; constructing a training test set; obtaining a yield prediction value and a variance of a parcel through the trained neural network model; constructing a multi-land grain seed selection decision optimization model based on combination optimization; and employinga decomposition algorithm to solve an optimal seed selection proportion to obtain the optimal varieties of the seeds and a usage proportion. The decision optimization method of multi-land seed selection based on combination optimization can perform analysis and optimization of grain plantation and seed selection, and can guide concrete land agriculture plantation and agriculture plantation planning; and moreover, the decision optimization method provides technical support for macroscopic agriculture policy or regional sales and a stocking strategy so as to have great economic and social values.

Disclosed are a co-crystal of olaparib and urea and a preparation method therefor. Specifically disclosed is a co-crystal form A, and an X-ray powder diffraction pattern of this crystal form has characteristic peaks at points where 2theta value is 17.4°±0.2°, 20.7°±0.2°, 10.5°±0.2°. The disclosed co-crystal has better stability, lower hygroscopicity and higher solubility as compared to existing olaparib free alkali crystal forms.

The invention discloses a centralized control method of a precise air conditioning system. The centralized control method comprises a temperature rise control method and a temperature reducing control method. The centralized control method of the precise air conditioning system has the following beneficial effects: on the basis of even indoor temperature distribution, arrangement of air conditioner at the same side of a machine room and a consistent space, the method establishes a mathematical relationship between the starting time of a single air conditioner and service life specific to a precise air conditioning system in the same one machine room scale, comprehensively considers the state of a plurality of precise air conditioners, and adjusts the opening and closing strategies at any time by taking the longest service life of the air conditioning system as a goal according to the change of the indoor temperature and humidity. On the basis of ensuring safe and stable operation of the machine room, the centralized control method, the centralized control method avoids the frequency start-stop of a single precise air conditioner, prolongs the service life of the air conditioning system, and saves the maintenance cost of the machine room; therefore, the centralized control method has strong economic value.

The invention discloses a new process for comprehensively recovering scandium in gas ash by using waste acid. The waste acid for scandium-contained gas ash is filtered after normal-pressure leaching I; solution obtained by filtering is neutralized by the scandium-contained gas ash after being reduced by reducing agent; obtained neutralized slag is leached at normal pressure by the waste acid; and extraction, back extraction, and precipitation by adopting oxalic acid are performed on the filtrate obtained by leaching to obtain scandium oxalate. The new process treats the gas ash through the waste acid, that is, wastes are used, high-value elements are recovered, and the economic value is high; and meanwhile, the process conditions are easy to realize, the scandium is enriched and recovered, metal such as zinc and iron in the gas ash is recovered, and the comprehensive resource utilization of the gas ash in a blast furnace is realized. The new process is simple in treatment method, obvious in effect and high in popularization significance.

Provided is a spherical water, land and air amphibious intelligent reconnaissance robot including an eagle eye probe, a fisheye probe, an information transmitting head, an external sensing body cartilage flower frame, an inner and outer through mesh, a cartilage landing body, a first motor, an air damper spring, a first motor spindle, and a ball mechanical fixed ring. a rotor, a first coupling shaft, a robot intelligent controller, a balancer rudder link, a second coupling shaft, a second rotor, a second motor spindle, a second motor, a battery, a balancer first umbrella rudder, a balancer twoumbrella rudders, an in-ball mechanical eight-way fixed bracket, a multi-purpose line, a second counter-shaft, a second propeller, a first counter shaft, a first propeller, a connecting ring, a firstbuckle and a second buckle. The robot integrates aircraft, submersibles and robots into one. The beneficial effects of the technology are: small volume, reasonable structure, outstanding motion performance and high control efficiency.

The invention discloses a method for recycling glyphosate from glyphosate mother liquor of IDA method. The method adopts the following steps: entering the glyphosate mother liquor of IDA method into a membrane concentration device after pre-treatment to obtain primary glyphosate concentrated liquor; adding alkali conditioning agent in the primary glyphosate concentrated liquor, and carrying out distillation, concentration and dehydration in an evaporator to obtain secondary glyphosate concentrated liquor; adding acid in the secondary glyphosate concentrated liquor for conditioning, crystallizing at normal temperature, filtering and washing with water to obtain glyphosate solid, and re-crystallizing the glyphosate solid to obtain glyphosate bulk drug. The method combines membrane method and evaporating concentration, so that the yield of glyphosate is high, rectificating is unnecessary, the production cost is lowered, energy consumption is saved, environment protection pressure is reduced, and higher economic value is obtained.

The invention provides a sodium salt, crystal form and preparation method of a pyrrolidine carboxylic acid compound, and a pharmaceutical composition containing the sodium salt, a preparation form anda pharmaceutical application. The compound shown in the formula I is a pharmaceutically active substance belonging to pyrrolidine carboxylic acid compounds. The sodium salt or the crystal form of thecompound shown in the formula I is high in water solubility and physicochemical stability, has the advantages of being small in administration dosage, quick in drug effect exertion and small in toxicand side effect, and the pharmaceutical composition containing the alkali addition sodium salt of the compound shown in the formula I can be widely applied to preparation of analgesic, antipyretic and anti-inflammatory drugs.

The invention relates to a crystal form of AHU377 as well as a preparation method and an application thereof. The novel crystal form is good in stability, low in hygroscopicity and remarkable in technological purification effect. The novel crystal form of the compound AHU377 represented in a formula (I) can be applied to preparation of an anti-heart-failure drug.

The invention discloses a vanilline crystal form and a preparation method thereof. The vanilline crystal form is named a crystal form A. In an X-ray powder diffraction spectrum detected by using Cu-Kalpha radiation, characteristic peaks exit at the positions of 11.366, 11.740, 13.019, 13.894, 14.406, 17.187, 21.013, 21.685, 22.883, 23.778, 25.878, 26.59, 26.856, 28.638, 29.705+ / -0.2 <o> (2 theta). The invention also provides the preparation method of the vanilline crystal form A. The preparation method is simple and high in reproducibility; and the obtained vanilline crystal A is high in stability, high in purity and good in digesting performance, has no hygroscopicity, and is applicable to industrial production.

The invention relates to AHU377 crystal form and a preparation method and uses thereof and provides AHU377 crystal forms III and IV, good in stability, low in hygroscopicity, high in cleaning capacity, good in purifying effect and high in economic value.

The invention relates to a servo feeding paper tube cutting machine, and belongs to the technical field of paper tube cutting equipment. The paper tube cutting machine comprises a paper tube clampingand rotating mechanism, a servo feeding and cutting mechanism and a rack, wherein the paper tube clamping and rotating mechanism and the servo feeding and cutting mechanism are arranged on the rack. The servo feeding paper tube cutting machine is simple equipment, compact in structure and low in investment cost, can improve the paper tube cutting efficiency and the cutting plane flatness, reducesthe labor intensity of workers and the labor cost, has wide market application prospect, and has high economic value, high practical value and high popularization value.

The invention relates to phosphate of N-(3-(2-(4-(4-acetylpiperazine-1-yl)-2-methoxyphenylamino)-5-(trifluoromethyl)pyrimidine-4-yl-amino)phenyl)acrylamide), and a crystal form and a preparation method thereof. The phosphate of the compound as shown in a formula (I) which is described in the specification has favorable performance like good stability, low hygroscopicity and process developability and manageability; and the preparation method is simple and has low cost, so the method has an important value to optimization and development of the phosphate of the compound as a drug in the future.

The invention relates to a crystal form for treating melanoma and ovarian cancer and a preparation method of the crystal form, in particular to crystal forms of an orally-taken mitogen-activated protein kinase inhibitor and a preparation method of the crystal forms. The crystal form A and the crystal form B are good in stability and significant in process purification effect, and the solubility and hygroscopicity of the crystal form A and the crystal form B meet medication requirements. The preparation method of the crystal forms is simple and low in cost and has important value in optimization and development of the medicine in the future.

The invention discloses a new process for comprehensively recovering scandium in gas ash by using waste acid. The waste acid for scandium-contained gas ash is filtered after normal-pressure leaching I; solution obtained by filtering is neutralized by the scandium-contained gas ash after being reduced by reducing agent; obtained neutralized slag is leached at normal pressure by the waste acid; and extraction, back extraction, and precipitation by adopting oxalic acid are performed on the filtrate obtained by leaching to obtain scandium oxalate. The new process treats the gas ash through the waste acid, that is, wastes are used, high-value elements are recovered, and the economic value is high; and meanwhile, the process conditions are easy to realize, the scandium is enriched and recovered, metal such as zinc and iron in the gas ash is recovered, and the comprehensive resource utilization of the gas ash in a blast furnace is realized. The new process is simple in treatment method, obvious in effect and high in popularization significance.