A highly active copper catalyst for synthesis of o - (p -) toluidine via vapor-phase catalytic hydrogenation was prepared.
介绍了所制备的高活性铜催化剂用于气相催化加氢还原制备邻(对)甲苯胺的研究。
The test results showed that the AG-80 modified epoxy resin, which was modified by organic titan and active copper oxide, is of good mechanical property and thermostable;
试验结果表明，经有机钛及活性氧化铜改性的AG-80环氧树脂具有较好的机械性能和耐温性能；
Copper is one of essential trace elements for human, acting as an active agon of lysyloxidase which is critical enzyme for collagen maturation.
铜是人体必需的微量元素之一，是胎膜中胶原纤维发育成熟的关键酶赖氨酰氧化酶的活性辅基。
It is concluded that active sulfur compounds may improve the oil's EP property but harm inhibition of copper corrosion, antirust property and anti-oxidation stability.
试验表明：活性硫改善了齿轮油的极压性，对抑制铜腐蚀性、防锈性能和抗氧化性能均有不利的影响。
Is there an active continuous improvement team for plating voids in the electroless copper operation?
化学沉铜是否对电镀空洞有积极的持续改善小组？
The copper belt corrosion was caused by H2S and active sulfur in naphtha.
证明了铜丝带腐蚀是由石脑油中的H2S和活性硫引起的。
Copper ions are the active sites for the reaction.
铜离子是反应的活性中心。
The colloidal copper is a highly active catalyst for the hydration of acrylonitrile to produce acrylamide.
用所得的胶体铜催化丙烯腈水合制备丙烯酰胺具有很高的活性。
The most active research has been applied to aluminium, iron, copper based alloys and superalloy.
其中以铝基合金、铁基合金、高温合金及铜合金方面的研究最为活跃。
The main active ingredient is copper and alkyl ammonium compounds, the active ingredient content of 15%.
主要活性成分是铜和烷基铵化合物，活性成分的含量为15%。
From the data of the determination of copper corrosion and active sulfur of the additives, it can be found out that sulfoxide and sulfone cause the severe copper corrosion.
通过铜片腐蚀试验和活性硫测定，发现氧化硫烯腐蚀性上升的主要原因是由于反应生成的亚砜和砜造成的。
Located in middle part of the Jinshajiang tectonic belt, the Yangla copper orefield was in the clinoform area of an active continental margin.
滇西羊拉铜矿区位于金沙江构造带中部，当时处于活动大陆边缘的半深水斜坡之上。
The progress on the research of laccases is reviewed in this paper, of which the active centre of copper ions, the three-dimensional structure of protein, and catalytic mechanism are emphasized.
阐述了漆酶的研究进展，对漆酶研究中的铜离子活性中心、三维结构和催化机理研究作了重点阐述。
The rice varieties with strong root system, large active absorption root surface and total root surface area had strong tolerance to copper poison.
根系发达、根系活跃吸收表面积及总吸收表面积大的品种，有较强的耐铜毒性。
This paper has been studied to soak from the Chalcocite to take copper with the sal volatile containing the active reagent (ammonium peroxydisulphate or potassium permanganate).
本文研究了用含有活性剂（ 过二硫酸铵、高锰酸钾）的碳氨液从辉铜矿中浸取铜。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
Since the main active component is copper, removal of the polymers by traditional burning method might cause complete loss of the activity.
对催化剂的活性表面高聚物的有效去除是催化剂再生的关键。该类催化剂主要活性成分为铜，常规燃烧方法会使催化剂活性损失殆尽。
Four-wave mixing was observed in the active medium of a copper vapor laser.
在铜蒸气激光器的激活介质中观察到四波混频现象。
The existence of active sulfides in gasoline is the reason resulting in copper strip corrosion.
汽油中由于存在某些活性硫化物，如元素硫或多硫化物，从而产生铜片腐蚀。
Of brass, we all know that the copper in chemical and active sort order is very low, stable performance, strong corrosion resistance.
对铜管来说，我们都知道铜在化学活性排序中序位很低，性能稳定，耐腐蚀性极强。
The effects of expanded grid of copper on discharge capacity and transformation process of negative active material of the VRLA battery were investigated.
研究了拉网铜板栅对负极活性物质转化过程及对VRLA电池放电容量的影响。
If the fluid reacts with active metals, such as silver and copper alloys, pump and valve designs must change.
如果流体与活泼金属(例如银铜合金)发生反应，那么必然改变泵和阀的设计。
A determination method of active surface areas of copper-containing catalysts by pulse adsorption at an ambient temperature with co as adsorbate is described in the present paper.
介绍了用CO作吸附质，在室温下脉冲吸附测定铜催化剂中活性铜表面积的方法。
While stainless steel was in active state, the contact suppressed copper corrosion.
如不锈钢处于活化态，两者接触后铜的腐蚀速度降低。
The test shown: a concentration and proportion of active agent have greatly influence on effect of copper coated.
实验表明，活性剂的浓度和配比对铜的镀覆效果具有显著的影响。
Atomic oxygen in a low earth orbit is very active in chemical reactions, and it can oxidate copper.
低地球轨道的原子氧化学性能非常活泼，能使金属铜氧化。
The composite starch is rich in active calcium, zinc, copper, ferrite and other trace amounts, effectively improves the nutrient components of starch and is beneficial to the absorption by human body.
本发明所制备的复合淀粉富含活性钙、锌、铜、铁等微量，有效地提高了淀粉的营养成分，有利于人体吸收。
The first filter core also includes a high pure copper zinc alloy layer arranged on the upper reach side of the active carbon layer.
该第一滤芯还包括设于活性炭层上游侧的高纯铜锌合金层。
The first filter core also includes a high pure copper zinc alloy layer arranged on the upper reach side of the active carbon layer.
该第一滤芯还包括设于活性炭层上游侧的高纯铜锌合金层。
应用推荐