1) double effect
双效
1.
Single and double effect combined LiBr absorption heat pump
单双效结合运行的溴化锂第一类吸收式热泵
2) double-effect
双效
1.
Performance of double-effect NH_3-H_2O absorption cycle;
双效氨水吸收式制冷循环的性能
2.
The principle of double-effect energy saving was applied to retrofit the traditional separation process for toluene diamine(TDA).
采用双效节能原理对传统的甲苯二胺(TDA)分离工艺进行改进。
3) double-effect distillation
双效精馏
1.
Energy conservation of methanol production process with double-effect distillation;
甲醇合成中双效精馏节能研究
2.
Simulation of double-effect distillation for purification of tetrahydrofuran;
四氢呋喃双效精馏提纯工艺及其模拟
3.
In the new process with double-effect distillation to realize heat-integration, the feed to the lower-pressure column was a side-stream with moderate methanol concentration drawn from a stage of the higher-pressure column above its feed stage.
在采用差压双效精馏实现系统内的热集成方案中, 新工艺从加压精馏塔进料板上部的侧线采出中等甲醇浓度的物料作为常压精馏塔的进料, 有效地平衡了两塔的分离负荷, 进一步降低了双效精馏的总能耗, 同时, 将预精馏塔产生的盐碱类物质浓缩分离到加压塔底采出, 使常压塔底出料为高纯度软水, 将其循环复用为预塔萃取水, 实现了系统内的工艺软水集成, 不但降低了新鲜工艺软水的消耗, 而且还减少了系统的废水排放量。
4) dual effect countercurrent flow
双效逆流
5) two-stage ageing
双级时效
1.
The effect of two-stage ageing and retrograssion and reaging heat treatment(RRA)on the fracture toughness and stress corrosion cracking resistance of B95ЛЧ forging was studied.
研究了双级时效工艺和回归再时效(RRA)工艺对B95ЛЧ铝合金锻件的断裂韧性和应力腐蚀性能的影响。
6) double aging
双级时效
1.
The effects of double aging on mechanical properties of low pressure casting aluminum alloy wheel were studied.
研究了双级时效工艺对A356铝合金低压铸造轮毂力学性能的影响。
2.
The results demonstrate that double aging can be used to accelerate aging processing and increase corrosion resistance.
为了进一步调整现有的热处理工艺,充分挖掘1420铝锂合金的综合性能潜力,采用单级时效和双级时效两种时效工艺,系统地研究了时效工艺对1420铝锂合金组织及性能的影响,重点研究了双级时效对合金沉淀相析出行为及合金性能的影响。
3.
Normal stretching property and eletrical conductivity of 7475 aluminum alloy under the conditions of double aging and regression re-aging(RRA) are measured.
测定了7475铝合金双级时效及回归再时效(RRA)工艺状态下的常规拉伸性能和电导率,并通过标准三点弯和圆周切口圆柱试验测定各时效工艺的断裂韧性。
补充资料：双效磷
60%双效磷乳剂：
又称敌马混剂。
具广谱、高效的特点。有强烈的触杀，胃毒作用，也有一定的内吸作用。对人畜中等毒性。
防治对象：野蚕、桑蟥、桑毛虫、桑尺蠖、绿盲蝽、灯蛾、桑螟、桑蓟马、金龟子、叶虫等。
常用浓度与安全间隔期：1500倍6～7天。
注意：可与其他药剂混合使用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条