Thermal electrical load relations of double extraction unit is very complicated, it is difficult for operator to distribute.
双抽机组热-电负荷关系非常复杂，运行人员难于分配。
This technique enables extraction of fuel from small, difficult-to-access coal seams, and could double the world's current coal reserves.
这项技术可以从窄而难以进入的煤层中提取燃煤，并可能使目前世界上的煤炭储量增加一倍。
Based on the double bridge structure of microelectronics test pattern, the method of defect model parameter extraction is presented in this paper.
基于微电子测试双桥结构，本文给出了缺陷特征参数提取方法。
Conclusion the paper optimize the method of double-solvent extraction, furthermore improve the accuracy and reliability of the method.
结论优化了双溶剂提取法，提高了该方法在检验鉴定中的准确度和可靠性。
The double roll press is a washing equipment which assembles washing, dehydration, substitution and press with high pulp concentration and extraction yield.
双辊挤浆机是集洗涤、脱水、置换和压榨于一体的洗涤设备，具有较高的出浆浓度和提取率。
An ultrasonic double-frequency turbulent extraction equipment has been developed for extracting effective ingredients in medicinal plants.
研制了中药有效成分超声波双频湍动萃取装置。
Compared with other hydrogen extraction processes the double ammonia synthesis process for purge gas treated with liquid ammonia absorption is a simpler process with low operation energy consumption.
液氨吸收法弛放气二次氨合成工艺流程较之其他提氢流程，工艺简单，操作能耗低。
The same set of system (double speed) is used for usual ventilation and smoke extraction in case of fire accident, so the air intake is set as normally open.
平时通风和火灾时排烟共用一套系统(双速)，故风口设置为常开型。
The loquat polysaccharide extracting process includes crushing, hot water extraction, double enzymolysis, freeze drying and other technological steps.
本发明公开了一种批杷多糖提取工艺，包括粉碎、热水浸提、双酶水解和冷冻干燥提取等步骤。
Objective:To observe the effect of drainage with double- J tubes after the extraction operation of kidney and ureter calculus.
目的观察在肾、输尿管结石手术取石后采用双J管内引流的效果。
Objective:To observe the effect of drainage with double- J tubes after the extraction operation of kidney and ureter calculus.
目的观察在肾、输尿管结石手术取石后采用双J管内引流的效果。
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