查询词典 lead-free

The Method and points for attention for using continuity tester of ground down lead to test the ground down lead of electrical equipment have been introduced,several test data have been analyzed and the reference value to determine the continuity state has been given.

介绍了利用接地引下线导通测试仪测试电力设备接地引下线的方法及注意事项，并对若干测试数据进行了分析，给出了判定导通状况的参考值。

In order to ensure that the connections do not leak, often with the lead oil, hemp, and PTFE wire filled with raw materials; of these raw materials PTFE tape, use growing a wide range; corrosion resistance of this material can be a very good sealing effect a very good, easy use and storage, demolition, you can be completely removed, because it is a layer of non-sticky film, more than lead oil, hemp line is much more superior.

为了确保连接处不漏，往往用铅油、线麻和聚四氟乙烯生料带填充；其中聚四氟乙烯生料带，使用日见广泛；这种材料耐腐蚀性能很好，密封效果极佳，使用和保存方便，拆卸时，可以完整地将其取下，因为它是一层无粘性的薄膜，比铅油、线麻优越得多。

Index area; a notch or a lead one identification mark is located adjacent to lead one and is within the shaded area shown.

索引区；一个档次或领导一识别标志是毗邻领导之一，在阴影显示面积。

Lead has four stable isotopes: Lead 204, 206, 207, 208, but there are more than 20 kinds of radioisotopes.

铅在自然界中有4种稳定同位素：铅204、206、207、208，还有20多种放射性同位素。

The abstract designs the detecting and control centre adopt monolithic microcomputer STC89C52 to be electric handcart solar energy battery charging system originally , make use of solar energy silicon cell board to be the photoelectricity conversion device, lead acid accumulator cell is loads , realizes a solar energy being charged by lead acid accumulator charging voluntarily.

原文如下：摘要本设计采用单片微型计算机STC89C52作为电动小车太阳能充电系统的检测和控制中心，利用太阳能硅电池板作为光电转换装置，铅酸蓄电池作为负载，实现太阳能自动给铅酸蓄电池充电。

In order to understand the lead and mercury content in Baby, sedative Chinese herb drugs, 179 preparations and 52 herbs of Chinese drugs were analyzed. Samples were prepared by Ash determination in lead and sulfuric acid-nitirc acid digestion in mercury, then determined by AAS.

将市售小儿惊风散类制剂179件及其药材52种，分别以灰化法及硫酸硝酸法处理后，利用原子吸光光度法(Atomic Absorption Spectrometry；AAS)测定铅及汞之含量。

The research used microwave power 600W,and S/L is 1/10, with the suitable microwave operation condition (nitric acid concentration 9.0 mole/L, digesting time 8 minute, and digesting temperature 140 ℃), by microwave digestion lead leaching rate is 94.11%, if it used microwave power 600W,and S/L is 1/10, with the best microwave operation condition (nitric acid concentration 0.8 mole/L, digesting time 6 minute, and digesting temperature 120 ℃), by the result of study, after Microwave Digestion Treatment, the TCLP leachate of lead in reaction ash might could be reduce to 4.83 mg/L from 7.10 mg/L, and the TCLP leachate could keep under the regulation control standards.

本研究以微波功率600W、固液比1/10，在最适微波条件下(硝酸浓度9.0M、消化时间8分钟、消化温度140℃)，铅的微波消化溶出率为94.11％。在微波功率600W、固液比1/10，以微波最佳条件(硝酸浓度0.8M、消化温度120℃、消化时间6分钟)，经微波消化处理后，其铅TCLP 溶出量由7.10 mg/L降为4.83 mg/L，已能符合法规管制标准值。在此最佳微波条件下，对於铅TCLP 削

On the basis of the fundamental theory as illustrated in binary Pb-Ag system,a segregating method by crystallization has been adopted to separate lead from lead-silver bullion of 20-25wt% Ag,and thus a production alloy more than 90 wt % Ag was obtained.

根据 Pb—Ag 二元相图的基本理论，采用凝析结晶分离的方法，分离铅银合金，使合金中的含 Ag 量由20～25%富集到95%以上，并探索了分离过程中的一些基本规律和现象。

TWF, lead acetate and cadmium chloride. Methods Using NADPH-d histochemistry to investigate activity change of NOS in the testis of mice, which were survived for 1,2,3,4 weeks after administration of TWF, lead acetate and cadmium chloride.

给予醋酸铅和氯化镉1周后，NOS阳性的睾丸间质细胞数量明显减少，并随给药时间延长而加重，NOS活性逐渐降低，给药4周后NOS阳性的睾丸间质细胞几乎不着色。

For most of the lead characters of buyers, they take a lot more are lead the ability to color an exact match, followed by rose anatkina.

差于不小不小都打样机的采办者来说，他们思考得更众的是打样机色彩不小略不败婚的本领，其次是玫瑰斑的题纲。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。