admixture lowered the freezing point of pore water and promoted strength development and is an excellent anti-freezing admixture for cold weather concreting.SA... K Sakai - 《Concrete International》 被引量: 4发表: 1991年 Off-the-Shelf Antifreeze Admixture for Concrete Initial Laboratory Investigation...
keep water liquid in cold weather D. can raise the freezing point of water52. The text is written E. to help to sell antifreezes F. to explain what antifreezes are G. to compare ethylene glycol with alcohol . to tell how to choose the best antifreeze53. Preston and Zerex are . ...
The present invention relates to an admixture for a cementitious composition and a method using said admixture for manufacturing a durable cementitious composition, in particular a concrete, in cold weather conditions, such as in winter time or in cold geographical areas.FRANKE Wolfram...
When cold weather approaches, it’s time to give your car a once-over to make sure it’s fully prepared for the drop in temperature. With all of the external features that need to be checked, such as the lights, windshield wipers, and tires, it’s easy to forget to make sure your ...
C. keep water liquid in cold weather D. can raise the freezing point of water 65. The text is written ___. A. to help to sell antifreezes B. to explain what antifreezes are C. to compare ethylene glycol with alcohol D. to tell how to choose the best antifreeze 66. Preston and ...
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释义 防冻附加剂; 学习怎么用 权威例句 The influence of calcium nitrate as antifreeze admixture on the compressive strength of concrete exposed to low temperatures Recovering dessicant-antifreeze from admixture with water and hydrogen sulfide Antifreeze admixture for concrete ...
Design of Automatic Spraying Antifreeze Device for Coal Separating Plant In order to solve the cold winter weather in northern China, Sinotrans coal preparation plant contains high moisture content, in the transport process occu... LI Wen-Fei,YB Zhao,XK Jia - 《Hydraulics Pneumatics & Seals》 被...
keep water liquid in cold weather D. can raise the freezing point of water52. The text is written A. to help to sell antifreezes B. to explainwhat antifreezes areC. to compare ethylene glycol with alcohol D. to tell how to choose the best antifreeze53. Preston and Zerex are _. A. ...
题目Exposing living tissue to subfreezing temperatures for long can cause permanent damage.Microscopic ice crystals (结晶体) cut cells and seize moisture (潮气),making donor organs unsuitable for transplantation.Thus,organs can be made cold for only a few hours ahead of a procedure...