However, during the period of circulation use of scrap steel, it causes the content increase unceasingly of the low melting point metallic elements such as Pb in the steel.
但在废钢的循环使用过程中，不可避免地将铅等低熔点金属带入到炼钢炉中。
“I would have loved it just as much if it was a PB and J sandwich , ” she says.
她说：“就算只有涂上花生酱或者果酱的三明治，我也一样喜欢 。”
Greenplum is not offering Hadoop-as-a-service but rather providing a platform of over 10,000 virtual nodes and 24 PB of storage to test Hadoop itself.
Greenplum并不提供Hadoop - as - a - Service，而是提供了一个超过10000虚拟节点和24PB存储容量的平台，用于对Hadoop本身进行测试。
With the determination of trace Au in ore and the determination of Pb and As in water as examples, the application effectiveness of MFAAT was discussed in detail.
以矿石及其加工产品中微量金的测定和水中铅与砷的测定为例，详细地讨论了微量火焰原子吸收技术的应用效果。
METHODS Using atomic absorption spectroscopy to determine the content of Pb, Cd, Cu, as and Hg in AMK samples collected from 12 different areas.
方法收集12个不同产地的白术样品，以原子吸收光谱法测定样品中的铅、镉、铜、砷和汞的含量。
The manganhedenbergite can be considered as an important ind-cator for Pb-Zn metallization.
锰钙铁辉石可以作为铅锌矿化的重要标志。
Last year has been disastrous for Chinese toys primarily due to the Pb content of paint and metallic parts such as screws.
去年对于中国玩具商来说损失惨重，主要是与玩具漆和螺丝等金属部分的含铅量有关。
Prussian Blue (PB) can be modified on inert electrodes acting as artificial enzyme of many biological or chemical substances to catalyse their REDOX reactions.
普鲁士蓝(PB)可以作为许多生物化学物质的人工酶来修饰惰性电极，用来催化它们的氧化还原。
This paper presents a new method- electrochemical method to produce it from anethole via Pb(IV) as oxidant which is rarely explored as the medium in electrochemistry.
我们采用四醋酸铅为媒质，以茴香脑为原料，电化学方法进行氧化，并水解得到对甲氧基苯基丙酮。
Metallic elements such as Fe, Cu, al, Pb, Na, Zn, Sn and Cd etc. would influence the stability of grape wine.
影响葡萄酒稳定性的金属元素有铁、铜、铝、铅、钠、锌、锡和镉等。
Methods the atomic absorption spectrophotometry (AAS) was used to determine the content of Pb, Cr, as, Hg and Cu in decoction and artificial gastric juice of Fluorite.
方法采用原子吸收分光光度法对紫石英在水煎液和人工胃液中铅、镉、砷、汞、铜的含量分别进行测定。
During the course of rectifying zinc , the fluid of coarse liquid zinc put into pb column from furnace works as a key technical parameter.
在锌的精馏过程中，液态粗锌从熔化炉加入到铅塔这个过程的流量是一个关键的技术参数。
Toxic element, Pb, Cd and as, were higher in sepia than in squid ink by 121%, 127% and 319%, while Hg was similar.
乌贼墨中有毒微量元素铅、镉和砷的浓度分别比鱿鱼墨高121%、127%和319%，但汞的含量相近。
Results showed that the method, characterized as simple, rapid, little interfere and high accuracy and precise, was suit to monitor the Pb concentration in plating process.
结果表明，该方法简便、快速、干扰小，测定的准确度和精密度高，适用于电镀过程中铅浓度的跟踪测定。
Pb-Sb and Pb-Ca alloys were generally used as the grid material for lead-acid batteries.
目前使用的铅蓄电池板栅合金主要是铅锑合金和铅钙合金。
Accumulation of Pb as well as growth physiological status in tomatoes grown in solution culture under stress of different Pb concentrations were investigated in the present study.
通过对溶液培养的番茄植株进行不同浓度的铅处理，研究铅在番茄中的积累及对其生长的影响。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
An approach to the influence of aluminium content of inoculant on graphite spheroidization of cast iron containing as, Sn, Pb and ti was made.
探讨了复合孕育剂中铝量对含砷、锡、铅、钛铸铁石墨球化的影响。
PB has been usually used as feed additive in animals with its special biological effects of calmness and hypnosis.
由于PB的镇静、催眠特殊生物学作用，常被用作饲料添加剂。
Cu-Pb-Zn ore bodies are located in outer contact zone of intermediately acidic granite(partially layered skarn) and the ore occurs as dissemination and fracture-filling.
铜铅锌矿体分布于酸性偏中性的花岗岩体外接触带中（部分为层状夕卡岩），呈浸染状赋于夕卡岩中或沿裂隙充填成矿。
The usual microelements in industrial sewage such as Hg. Cd. As. F. Pb. etc. and the harm to human health were investigated in this paper.
本文讨论了工业废水中常见的微量元素及其对人体健康的危害，着重讨论了汞、镉、砷、氟、铅等元素对水体的污染及对人体健康的危害。
The contents and distribution of Pb, Cd and As in 497 flue-cured and 17 burley tobacco leaf samples collected from major tobacco production regions of China in 2004 were studied.
研究了我国烟叶主产区2004年生产的497份烤烟样品和17份白肋烟样品中铅、镉、砷的含量及分布特征。
With optimizing method, the program recommended works well on personal microcomputers such as Sharp PC-1500 and Casio PB-700.
本文介绍用优化方法，根据最小条件圆准则编制程序，可在夏普pc- 1500、卡西欧PB - 700等微机上计算圆度误差。
Objective: To analyze the content of As, Hg, Cd, Pb in gold tea.
目的：测定黄金茶中砷、汞、镉、铅的含量。
It is similar to the Jinding Pb-Zn deposit in metallogenetic mechanism, belonging to the polygenetic bedded polymetallic deposit with hot brine as the principal metallogenetic factor.
在成矿机制上与金顶铅锌矿床相似，属以热卤水成矿为主的多成因的层状多金属矿床。
Objective To establish the method for determining controlled contents of As, Pb and Hg in Chinese medicinal materials.
目的建立测定中药材中重金属砷铅汞的控制含量方法。
The effect of ferro-silico-barium and its rare earth complex alloy on mechanical properties, castability and metallographic structure of cast iron containing Pb, As and Sn have been studied.
研究了含钡硅铁及其稀土复合合金对含铅、砷、锡铸铁机械性能、铸造性能和金相组织的影响。
It's forbidden to add harmful element such as Hg, Cd and Pb in battery in home and abroad.
国内外，都禁止向电池中添加汞、镉、铅等有害元素。
It's forbidden to add harmful element such as Hg, Cd and Pb in battery at home and abroad.
国内外，都禁止向电池中添加汞、镉、铅等有害元素。
It's forbidden to add harmful element such as Hg, Cd and Pb in battery at home and abroad.
国内外，都禁止向电池中添加汞、镉、铅等有害元素。
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