查询词典 lead-in

The data were analyzed by using D-optimization method. Results show that lead styphnate, nickel hydrazine azide and BIPb3O4 are ignited by the SCB heat; lead picrate, lead azide, nickel hydrazine nitrate and barium styphnate are ignited by the SCB plasma.

通过研究示波器采集半导体桥引爆起爆药时的信号，获取了半导体桥释放能量、电压－时间曲线中二次峰持续时间、光信号出现时间以及电压断开时间等数据，并利用D最优化法程序对数据进行了处理。

The data were analyzed by using D-optimization method. Results show that lead styphnate,nickel hydrazine azide and B/Pb3O4 are ignited by the SCB heat; lead picrate,lead azide,nickel hydrazine nitrate and barium styphnate are ignited by the SCB plasma.

通过研究示波器采集半导体桥引爆起爆药时的信号，获取了半导体桥释放能量、电压-时间曲线中二次峰持续时间、光信号出现时间以及电压断开时间等数据，并利用D最优化法程序对数据进行了处理。

For example, white stains have MgO, hydrotalcid, alumian, containingborates calcium、 dionide, zinc oxide, arsenic, antimony oxide, silver, cerium compounds; red stains have basic lead chromate, lead kind of uranium yellow and oxymatrine of lead uranium, uranium, ND salt Cassius A50, red iron oxide and molysite CD、CU、 se reaumuria, electrolyic, MN, and so on.

例如，不黑色着色剂有氧化镁、碳酸镁、氧化铝、硼酸钙、氧化钛、氧化锌、砷酸、氧化锑、金属银、铈化合物；白色着色剂有碱式铬酸铅、铅种铀黄和氧化铀、铀酸铅、钕盐卡修斯紫金、赤氧化铁和铁盐、镉硒赤、氧化锰、锰等。

A conventional lead-acid battery is made up of a series of cells, each of which contains a positive electrode made of lead dioxide and a negative electrode of metallic lead.

传统的铅酸电池是由一系列的小电池组成，每个小电池都有一个由二氧化铅构成的正极和一个由金属铅构成的负极。

B -Lead dioxide can be prepared by acid formation of lead battery positive plates[13] or electrooxidation of lead perchlorate.

PbO能够通过下列方法来制备：在酸性环境制备铅电池的阳极；高氯酸铅的电氧化。

The pollution of As results from the copper deposits, the lead-zinc deposits and limonite, and from their exploitation; the pollution of Cd is related to lead-zinc deposits, the exploitation, and agricultural irrigation with waste water; the pollution of Pb and Zn are mostly ascribed to the lead-zinc deposits and related exploitation.

As元素污染的主要原因是铜矿、铅锌矿褐铁矿矿床及其开发；Cd元素的污染与铅锌矿床及其开发，以及农业污灌有关；Pb、Zn元素的污染与铅锌矿床及其开发密不可分。

The detection methods of high level and trace level lead content,the status quo and technology such as pyrometallurgy and hydrometallurgy of the recycling of lead from spent lead-acid battery worldwide were introduced.

对高含量和痕量铅的检测方法、国内外从废旧铅酸电池中回收铅的现状和工艺，如火法冶金和湿法冶金进行了介绍；对废旧铅酸电池中铅回收的发展趋势进行了分析。

Lead Excreting Milk Powder; experimental saturnism ; fecal Lead ; blood lead

排铅奶粉；实验性铅中毒；粪铅；血铅

Ore deposits of this region are assigned to Caledonian metallogenic series and Indosinian metallogenic series according to ore-bearing strata, granites related to ore deposits mineralization type and temporal-spatial distribution characteristics of ore deposits. The Caledonian series is further divided into three subseries, namely lead and zinc metallogenic subseries, lead, zinc and iron metallogenic subseries and lead, zinc, tungsten, tin and molybdenum metallogenic subseries.

本文根据所发现的25个矿床的赋矿地层、与成矿有关的花岗岩、矿化类型及其时、空分布特征，将它们划分为加里东期成矿系列和印支期成矿系列，进而又将加里东期成矿系列划分为铅、锌成矿亚系列，铁、铅、锌成矿亚系列和铅、锌、钨、锡、钼成矿亚系列。

The result indicated the soil catalase and urease activities and the soil lead concentration is extremely remarkable is connected, may express the lead pollution degree; The lead pollution soil after the Digitaria sanguinalis repair, the catalase and urease activities obtains the restoration, is good according to theirs revivification estimate of the situation Digitaria sanguinalis repair effect.

结果表明土壤过氧化氢酶和脲酶活性与土壤铅浓度极显著相关，可表示出土壤受铅污染程度；铅污染土壤经过马唐修复后，过氧化氢酶和脲酶活性均得到恢复，根据它们的活性恢复状况判断出马唐修复效果较好。

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。