查询词典 lead

The radiogenic lead of coal fly ash is obviously higher than that of gasoline and diesel oil, which can serve as the discrimination criterion to distinguish the aerosol lead sources.

铅同位素含量数据表明成都市近地表大气尘的铅污染是复合污染源所致，其中，相对清洁区污染以建筑扬尘为主，中度污染区是汽车尾气和扬尘的叠加作用，重污染区是燃煤飞灰汽车尾气和工业污染源的综合表征。

The volcanic rocks and ores characterized by high concentrations of radiogenic lead indicate that the deposit formed on mature island-arc environment, and most of the ore lead was derived from the same environment as the associated volcanic rocks.

火山岩、矿石以富放射性成因铅为特征，反映成矿环境为成熟的岛弧环境，矿石铅与火山岩铅应属于同一来源。

To start rasping off lead with no plan is a mistake waiting to happen, it is easy to take too much lead off and very hard to put back on.

开始rasping小康带头与没有计划是一个错误的轮候情况，是很容易采取太多导致起飞和很难放回。

The device records the information according to a predefined recording format like DVD for constituting a recording area containing user data preceded by a lead-in zone and followed by a lead-out zone located at the end of the user data.

该设备按照预定记录格式记录信息，该预定记录格式用于构成这样的记录区域：该记录区域包含用户数据，在该用户数据之前是导入区，在该用户数据之后是导出区，位于用户数据的末尾。

Hope is the major force behind the lead character Andy, and Andy uses hope to change the other lead character Red.

希望是主要力量主角安迪，安迪和使用希望改变其他主角红。

Which lead-free wave soldering, lead-free reflow after several years of research and development, has now reached international advanced level.

其中无铅波峰焊、无铅回流焊经过几年研究开发，目前已达到国际先进水平。

4 Making used of evaporative cooling for copper ring down-lead and main lead-out line of stator coil, one resistance thermometer shall be embedded in middle of each parallel connected cooling spur track and exit.

7.1.4定子绕组铜环引线和主引出线采用蒸发冷却方式时，每个并联冷却支路的中间和出口处各埋设1个。

Over the years, most commonly used by small businesses Tufa Secondary Lead Smelting, using the backward small reverberatory furnace, cupola melting process such as the lack of a corresponding dismantling, pre-processing, smelting equipment, plates, and pulp mixing, lead the general recovery of only 80%~ 85%, the low level of utilization.

最常用的土法再生铅冶炼小企业，用落后的小反射炉，冲天炉熔化过程，如相应的拆除，预加工，冶炼设备，板，纸浆混合缺乏，领导只有80％85％，使用率低的水平普遍复苏。

Third, the results also revealed that the toddlers'rhythmicity, intensity of reaction, quality of mood and the parenting style of punishment were always lead to the incidence of the deregulation incidence of social-emotional development. In the end, the binary logistic result told us that toddlers'gender, age, apporoach and withdrawal, persistence, threshold of responsiveness, the parenting of refused, encourage independence and explore and low-voltage-induced all can lead to the incidence of the competence.(2) The degree of effect caused by genetic and environmental factors on the toddlers'social - emotional development were revealed by the structural equation model.

研究结果1。两分类logistic回归分析发现，影响中国幼儿情绪社会性外显问题的生物遗传及环境因素有年龄、性别、活动水平、趋避性及适应性，母亲文化程度、拒绝及惩罚的家庭教养方式；影响内隐问题的遗传及环境因素有年龄、活动水平、趋避性、情绪本质及拒绝、关注与保护、控制施压的家庭教养方式；影响失调问题的遗传及环境因素有节律性、反应强度、情绪本质及惩罚的教养方式；影响能力问题的遗传及环境因素有性别、趋避性、坚持性、反应阈、家庭收入、接纳、拒绝及低压诱导的家庭教养方式。2。

But the exaggerated pursuit of mechanization will lead to the shallowness and numb rigidness of the research, and it will lead to the simplification and trivializing of scholarship.

但是过于追求技术化也会造成研究的平面化与僵硬化，从而导致研究的简单化与琐碎化。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。