查询词典 to base on

Base on the summarization of the 50 years safety and high efficient coal mining achievements with hydraulic powered shield supports in Huainan coal mines the paper analyzed the rational layout of the gateway,optimized geometric parameters of thecoal mining face,improvement in potential,reform and invonvation,production process control,mien water and mine fire prevention and control,the siutbal conditions for the pseudo inclined coal mining with flexible shild support and other key technologies.

1概况1956年淮南煤矿先后试验了木结构的平板型、撬板形、"く"形、"人"形，钢结构的弧形、弓形、"く"形、"八"形等掩护支架，通过多次工业性试验并对所试验的掩护支架结构进行了一系列改革和完善，终于形成了目前所用的钢结构八字形掩护支架。以单腿支撑式掩护支架为例，八字形掩护支架是由钢梁、钢丝绳、垫板和绳卡、U形螺栓、扁铁、柱托、滑托板等组成。

The mixture has the features of high strength, good hydraulicity and powerful deformation resistance. It is one ideal road base material and may be used widely in the road construction in soft soil foundation area.

该混合料具有强度高，水硬性好，抗变形能力强的特点，是一种比较理想的公路基层施工材料，可广泛应用于软土路基地区的道路建设。

In the fourth chapter, four new complexes of hydrazide of podophyllic acid with transition metals have been prepared. Elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA were used to characterize them. The results show that general formula of the complexes is M〓(n=0 or 2). The ligand is linked through the carbonyl oxygen and the terminal nitrogen of the hydrazide base to the transition metal ions in bidentate mode.

第四章 合成了四种鬼臼酰肼的过渡金属配合物，通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征，研究结果表明，配合物的组成为M〓（n=0或2），配体是通过羰基氧和肼基上的端氮以双齿形式与金属离子配位的。

The relative content of hydrazone structure was calculated based on the chem. shifts at different pH values. The acid-base dissociation equilibrium of these compounds was confirmed by IR spectra.

根据各种pH值的化学位移可计算腺结构的含量，用IR证实了这一系列化合物的酸碱离解平衡。

In this example, the free base of compound 101 was converted back to the hydrochloride salt.

在这个例子中，101免费复合基地转换回盐酸盐。

A complex consisting of an organic base in association with hydrogen chloride.

一个有机碱与氯化氢形成的配合物。

The addition reaction with hydrogen cyanide is base-catalysed.

与氰氢酸的加成是碱催化的。

It is a weak base and dissociates into water and carbon dioxide gas as it dissolves in the presence of hydrogen ion s.

它是一种弱碱，当溶解在存有氢离子的溶剂中时即分解为水和二氧化碳气体。

Base on the weldability tests , the repair welding procedures of weari-resistant cast steel (abrasion-plates) have been made up , The results show that satisfying repair welding quality can be attained with such welding conditions as the low hydrogenous alkalescent welding rod , preheating and slow cooling , strictly maint.

通过对其焊接性能的试验研究，制定了该类铸钢件的补焊工艺：低氢型碱性焊条，预热与缓冷相结合的工艺措施，严格控制层间温度(250～300℃)及焊接工艺规范，可获得满意的修复质量。

In this paper, the base-flow of the main rivers between Hekouzhen and Longmen of Huanghe river were calculated by using daily discharge hydrograph separation method.

由于气候变化和人类活动的影响，黄土高原河川基流呈显著下降趋势，对黄河径流量减少产生一定影响。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。