查询词典 lead-in

The mechanics model of a ball screw was developed considering the factor of lead angle,and the main curvature of the helical surface was deduced using differential geometry method,and the effect of lead angle on the elastic deformation was analyzed.

考虑螺旋升角的因素，建立了滚珠丝杠副的受力模型，应用微分几何理论推导了螺旋面的主曲率，并进一步分析了螺旋升角对滚珠丝杠副弹性变形的影响。

Industrial pollution can come from lead mining, smelting, rubber production, dye, printing, ceramics, lead glass, solder, cables and lead pipes and other industrial waste water and refuse.

铅的工业污染来自矿山开采、冶炼、橡胶生产、染料、印刷、陶瓷、铅玻璃、焊锡、电缆及铅管等工业产生的废水和废弃物。

Showed that the core business of the western mining for lead, zinc, copper mining and lead, zinc, aluminum smelter, the company is now mainly owned and controlled Xitieshan Lead-Zinc Mine have been the Ada copper polymetallic ore, copper tournament even Tong, Gacun silver polymetallic ore and Yulong Copper Mine.

表明，在西部矿业铅的核心业务，锌，铜开采和铅，锌，铝冶炼厂，该公司目前主要拥有和锡铁山铅锌矿控制一直是阿达铜多金属矿，铜比赛甚至塘，呷村银多金属矿和玉龙铜矿。

Industrial pollution can come from lead mining, smelting, rubber production, dye, printing, ceramics, lead glass, solder, cables and lead pipes and other industrial waste water and refuse.

长期接触铅及其化合物会导致心悸，易激动，血相红细胞增多。铅侵犯神经系统后，人会出现失眠、多梦、记忆减退、疲乏，进而发展为狂躁、失明、神志模糊、昏迷，最后因脑血管缺氧而死亡。

Lead battery SOC is low, will lead called sulfation sulphate precipitation lead to shortened battery life.

铅电池SOC的低，会导致所谓的硫酸沉淀硫酸导致电池寿命缩短。

The experimental results show that the lead sulphate, which is formed by reducing lead dioxide, can be reoxidized to lead dioxide within 1min at 1.4V.

实验结果表明在0.9V还原二氧化铅而得到的硫酸铅能在1.4V于1min内氧化为二氧化铅。

The GR2 series Crucible Lead-melting Electric Furnace is a sort of energy-saving Melting Electric Furnace, it is mainly used for melting lead, lead liquid insulation , quantitative die casting ,matching with die casting machines and producing electrical storage bottles.

GR2系列坩锅熔铅电炉系节能型熔化电炉，主要供熔化铅，铅液保温，定量压铸，与压铸机配套，用于制造蓄电瓶等。

Oil Burning Crucible Lead-melting Furnace is a sort of energy-saving Oil Burning Melting furnace, it mainly adopt the oil-burning way of melting lead, lead liquid insulation , quantitative die casting ,matching with die casting machines and producing electrical storage bottles.

燃油坩锅熔铅炉系节能型燃油熔化炉，主要采用燃油方式熔化铅，铅液及保温，定量压铸，与压铸机配套，用于制造蓄电瓶等。

Lead bath quenching; lead hardening; lead quenching; patenting; bath patenting

名词 n.2。钢材或钢件在加热奥氏体化后，在熔融铅浴中冷却。

The lead-less piezoelectric ceramic composition is prepared through sintering at relatively low temperature, say, 1190 deg.c or even lower, and has good piezoelectric characteristic, practical plane electromechanical coupling coefficient kp, high Curie point and no lead and lead compound contained.

本发明的制备工艺能在较低温度下，如1190℃或更低温度下烧结无铅压电陶瓷组合物，使制备的无铅压电陶瓷具有好的压电性、可实用的平面机电耦合系数kp和高的居里温度，制备工艺过程中不含铅或铅的化合物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。