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161results about How to "Compensation for loss" patented technology

Swelling type micro-capsule/cement-based self-repair system

The invention relates to a swelling type micro-capsule/cement-based self-repair system. Calcium alginate is used as capsule walls, epoxy resin is used as capsule cores, accordingly, swelling type micro-capsules can be prepared, and the particle sizes of the micro-capsules range from 300 micrometers to 2.5 mm; basic components in a self-repair cement-based materials include cement, sand, the micro-capsules, water and epoxy resin curing agents, and the adding quantity of the micro-capsules is 0.5-10 wt% of the cement. The cement, the sand and the micro-capsules are uniformly stirred and dispersed, the water and the epoxy resin curing agents are poured into mixtures with the cement, the sand and the micro-capsules, and pouring forming, form stripping and curing are carried out after the water, the epoxy resin curing agents and the mixtures are uniformly stirred, so that the swelling type micro-capsule/cement-based self-repair system can be formed. The swelling type micro-capsule/cement-based self-repair system has the advantages that the micro-capsules have water absorption and swelling characteristics, accordingly, water can be compensated in cement hydration procedures, and the swelling type micro-capsule/cement-based self-repair system has an internal curing function; processes for synthesizing the swelling type micro-capsule/cement-based self-repair system are simple, the swelling type micro-capsule/cement-based self-repair system is good in mechanical property, is difficult to break in cement mixture stirring procedures and can be uniformly dispersed in the cement-based materials, and accordingly cracks can be self-repaired.
Owner:BEIJING UNIV OF TECH

Method for measuring convective heat transfer coefficient of water-rock interface during seepage heat transfer process of crack sample

The invention discloses a method for measuring convective heat transfer coefficient of a water-rock interface during a seepage heat transfer process of a crack sample. Constant-temperature and constant-current water flow is injected to a convective heat transfer coefficient test system through a liquid constant-voltage constant-current high-precision injection system and a cold drive hot water flow constant temperature control system; a convective heat transfer coefficient h of the water-rock interface is measured through the convective heat transfer coefficient test system; during measurement, variables related to the convective heat transfer coefficient, such as flow rate, inlet water temperature, crack initial gap length b0 and crack gap length deformation delta b, all can be set according to requirements of an experimenter; the test measurement variables such as outlet water flow rate Q, crack outlet water temperature Tout, crack inner edge water temperature Ff and crack inner surface temperature Ti all can be accurately measured; finally, the convective heat transfer coefficient h is obtained by calculating. According to the method for measuring convective heat transfer coefficient of a water-rock interface during a seepage heat transfer process of a crack sample in the invention, the variables are controlled more accurately; the numerical value of the convective heat transfer coefficient h in a certain state can be obtained through an improved calculation method; and the quantitative relationship between h and different variables can be researched.
Owner:CHINA UNIV OF MINING & TECH

Road scene semantic segmentation method based on full residual cavity convolutional neural network

The invention discloses a road scene semantic segmentation method based on a full-residual cavity convolutional neural network. The method comprises the steps: constructing the full-residual cavity convolutional neural network at a training stage, and enabling the full-residual cavity convolutional neural network to comprise an input layer, a hidden layer and an output layer, and enabling the hidden layer to comprise one transition convolution block, eight neural network blocks, seven deconvolution blocks and four fusion layers; inputting each original road scene image in the training set intoa full residual cavity convolutional neural network for training to obtain 12 semantic segmentation prediction images corresponding to each original road scene image; calculating a loss function value between a set formed by 12 semantic segmentation prediction images corresponding to each original road scene image and a set formed by 12 one-hot coded images processed by corresponding real semantic segmentation images to obtain a full residual cavity convolutional neural network training model; in the test stage, a full residual cavity convolutional neural network training model is used for prediction; the method has the advantages of high segmentation accuracy and strong robustness.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Mixed rice cooking method for cooking utensil

The invention discloses a mixed rice cooking method for a cooking utensil, belonging to the technical field of kitchen household appliances. According to the mixed rice cooking method, the problems that the requirement on the heating temperature of mixed rice cannot be met when the mixed rice is produced by virtue of an existing electric cooker, and the like are solved. The mixed rice cooking method comprises a cover-closing cooking stage and a cover-opening cooking stage, wherein the cover-closing cooking stage comprises a preheating stage and a thermal insulation stage; and the cooking utensil enters the cover-opening cooking stage after the thermal insulation stage ends and a pot cover in an opening state, and a heating device heats the food in a cooking cavity in a high power so as torealize fragrance enhancement. By setting the cover-opening cooking stage, the rice cooker controls the heating device to increase the power so as to supply sufficient heat to food materials during the rice mixing, so that fragrance components in the food materials (mainly rice) are well extracted, meanwhile, the loss of heat during the cover opening and stirring can be compensated, the continuousheating and fragrance enhancement of the food materials are guaranteed, and the taste and fragrance of the mixed rice are improved.
Owner:JOYOUNG CO LTD
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