铅的

Unrefined lead that is hard because of the impurities it contains.

未精炼的铅，因含有杂质而坚硬。

Objective To investigate and carry out the function of the lead block validating instrument in the radiotherapy.

目的：研究和实施铅档验证仪在放射治疗中的作用。

Result In the soft tissues C. sinensis and V. variegate the protein content reached 44.05% and 57.09% resp., the fat content were 11.31% and 13.52%, and their heavy metals were 200.63 and 120.74 mg/kg for Fe resp., 15.27 and 5.13 mg/kg for Zn resp., 2.14 and 1.93 mg/kg for Cu resp., 0.17 and 0.23 mg/kg for Ph resp., and were undetected for Cr resp. C. sinensis and V.

结果］青蛤和杂色蛤软体组织中蛋白质含量分别为44.06%和57.09%，脂肪含量分别为11.31%和13.52%，是高蛋白、低脂肪的水产品；重金属含量，铁分别为200.63和120.74mg/kg，锌分别为15.27和5.13mg/kg，铜分别为2.14和1.93mg/kg，铅分别为0.17和0.23mg/kg，铬均未检出。

The safe concentration of lead and cadmium to B.areolata veliger larvae were also estimated to be 0.107 mg·L-1,0.020 mg·L-1 respectively.

估算得到铅、镉对方斑东风螺幼体的安全浓度分别为0.107 mg·L-1、0.020 mg·L-1。

Vetiver grass can grow well in the same concentrations of heavy metals-contaminated soil, and the growth was not affected by the toxicity of heavy metals. The concentrations of Cd and Zn in the shoots of vetiver grass were 40.7±8.28 and 1,399±132 mg/kg, respectively, and no Pb was detected.

培地茅则可以在相同重金属污染土壤中生长良好，并没有受到重金属的影响而产生毒害症状，植物体地上部中镉及锌浓度分别约为40.7±8.28及1，399±132 mg/kg，而铅浓度则未能检出。

To study a simple and convenient method for determination of lead in whole blood.

目的 探讨用一种更加简便实用的方法测定全血中铅。

Electric roller operators and hardware mottled, gold, silver, copper, nickel, non-thani thani, unleaded non-thani thani, green ancient, red ancient, bronze, copper, blue zinc, color zinc, white zinc , and other customer special color.

滚电部经营及小五金杂色、金、银、铜、镍、无叻叻、无铅无叻叻、青古、红古、青铜、红铜、蓝锌、彩锌、白锌、等一些客户要求的特别色泽。

Secondly,the lead zirconate titanatethin film WaS prepared by metal—organic decompositionmethod.

然后用金属有机物热分解法制备出作为研究对象的锆钛酸铅PbO3 薄膜。

In 1954, Jaffe and others successfully developed PbZrO3-PbTiO3 binary system solid solution piezoelectric ceramics, which is lead zirconate titanate piezoelectric ceramics first appear.

1954年，Jaffe等人研制成功了PbZrO3-PbTiO3二元系固溶型压电陶瓷，这就是锆钛酸铅压电陶瓷最早的出现。

A wet chemical etching process for lead zirconate titanate PbZrxTi1?

本文介绍了一种锆钛酸铅薄膜的湿法腐蚀工艺。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷