The ecological criteria for Cd, Cu, Pb and As are established in this paper.
在此基础上制定的土壤标准，将能更好地保护土壤环境。
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。
“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。
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。
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。
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。
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。
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。
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。
Methods Microwave digestion of samples with different digestion conditions and atomic absorption spectrometry were used to determine Pb, As, cr, Cd and Cu contents in 75 kinds of cosmetics.
方法微波消解75种化妆品，原子吸收分光光度法测定化妆品中重金属铅、铬、砷、镉和铜的含量，试验了不同消解条件对消解效果的影响。
When dating zircon U-Pb ages by SHRIMP, choosing the target points of zircon is very important as they directly affects the reliability and accuracy of the results.
应用离子探针shrimp测定锆石铀-铅年龄时，锆石选点至关重要，它将直接影响实验结果的可靠性和准确性。
Analyses on heavy metals in edible parts of 152 vegetable samples from 9 species in Chengdu were conducted to study content and distribution of heavy metals, Hg, As, Pb and Cd in the vegetables.
通过对成都地区的9种蔬菜152个样品的可食部分中重金属元素的分析研究，查明了蔬菜中重金属汞、砷、铅、锡的含量及分布特征。
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。
The one-age longan seedlings were used to study under Pb stressed, and the results were as followed:1.
以龙眼为材料，通过一年的栽培和试验，研究重金属铅对其的影响。
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。
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。
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。
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 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。
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。
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。
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。
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。
The Gangdise area has great ore potential and shows promise as a new Fe-Cu-Pb-Zn resource base of China in the near future.
冈底斯地区具有巨大的找矿潜力，有望成为中国新的富铜富铁资源基地。
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。
The aim of this experiment is to determine the content of Pb, As and CaCO_3 in Meretrix Meretrix(Linnaeus) by different processing methods.
目的本实验主要对不同的炮制方法海蛤壳中的铅、砷及碳酸钙的含量进行测定。
The aim of this experiment is to determine the content of Pb, As and CaCO_3 in Meretrix Meretrix(Linnaeus) by different processing methods.
目的本实验主要对不同的炮制方法海蛤壳中的铅、砷及碳酸钙的含量进行测定。
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