They identified four different lead-based substances, two of which were man-made, not natural.
他们鉴定出四种不同的含铅物质，其中两种是人工合成的，并非天然物质。
It points out the research direction of the functional materials of lead-based titanate ceramics.
为钛酸铅系功能陶瓷及材料的研究指明了方向。
The progress in study of reaction mechanism of preparation of lead-based relaxor ferroelectric ceramics is reviewed in this paper.
综述了制备含铅基弛豫铁电陶瓷的化学反应机理的研究进展，提出改进铅系弛豫铁电陶瓷制备技术几点措施。
Because it and its compounds are poisons (see lead poisoning), lead-based paints and gasoline additives have been phased out in many countries.
由于铅和铅化物具有毒性，因此含铅的颜料和汽油添加物现已被禁用。
A new study shows that lead-based paint remains a worldwide threat to public health. Paint containing lead is a major cause of lead poisoning in children.
一项新的研究发现，含铅的油漆仍旧世界范围内危害着公众健康。含有铅的油漆是导致儿童铅中毒的主要原因。
A silicon based lead zirconate titanate (PZT) thick film technology by tape casting is studied in this paper.
研究了基于流延技术制备硅基锆钛酸铅(PZT)厚膜的工艺。
Flying targets normally maneuvering on circular paths, which has lead to tracking filters based on circular turns.
飞行目标一般沿圆周路径作机动飞行，因而出现了以圆周运动为基础的跟踪滤波器。
The lead based relaxor ferroelectric single crystals have received increasing attention for their potential application in many fields.
铅基弛豫型铁电单晶由于其具有潜在的巨大商业和军用价值日益受到了人们的重视。
Lead researcher Omri Gillath said the judgments were based on the style, cost, color and condition of someone's shoes.
首席研究员欧姆瑞•吉拉斯说，这些判断是基于所穿的鞋的样式、价格、颜色和新旧程度做出的。
The home affairs select committee says in a report that ministers' plans to change the student immigration system are based on flawed evidence and could lead to a loss of reputation for Britain.
内政事务特委会在一份报告中表示，移民局修改海外留学生签证条例所依据的数据是错误的，不能依据这些资料做出决定，否则可能会导致英国损失声誉。
And the aim of the study was to investigate the extent to which calcium can individually mitigate lead ion toxicity based on the concept of biotic ligand model(BLM).
这一结果支持了生物配体模型（BLM）概念的假设，说明在胚胎的表面，铅离子与钙离子可能在传输和毒性作用位点上存在竞争作用。
Chief executive officers certainly have an impact on the companies they lead, but should HP's stock have tumbled this much based on a change of the guard?
首席执行官对于他们所领导的公司当然影响重大，但是否因为换了掌门人，惠普的股价就应该跌到这个份儿上？
An incentive plan that rewards a group based on how many pieces they produce could lead to rushde production and lower quality.
基于其生产的数量进行奖励的激励计划有可能导致速度上去了但是质量反而下降了。
This paper presents a method of the lead-acid battery internal resistance measurement based on AC impedance method.
给出了一种基于交流阻抗法的铅酸蓄电池内阻测量方法。
Lead the development, production and marketing of heat-transfer products, based on or related to the CBE, for the global market.
在全球市场范围内，以CBE为基础，引领传热产品的研发、生产和销售。
Now, the contemporary time—based art thematizes this suspended time because it captures and demonstrates activities that take place in time but do not lead to creation of any definite product.
当代的以时间为基础的艺术主题化了这一悬置的时间，因为它捕捉并展示了时间中发生的活动，但并不导致任何特定物品的创造。
The piezoelectric and ferroelectric properties of the related systems are summarized. The preparation and the design of BNT-based lead-free piezoelectric ceramics are also introduced.
综述了BNT基无铅压电陶瓷的研究现状，讨论了相关体系的设计方法、铁电性、压电性以及BNT体系的制备方法。
In addition, prolonged stress could also lead to the creation of false memories based on information and supposed facts presented by the interrogator.
此外，长期压力还会造成虚假记忆的形成，这些记忆是基于审问者提供的信息和设想的事实。
They believed this progress would eventually lead to a thoroughly logical social order based on a scientific understanding of human events.
他们认为，这一过程会最终走向一个建立在对人类事件的科学理解的基础上的，完全合乎逻辑的社会秩序。
"I'd rather see rewards based on effort and responsibility-things that will lead to success in life," she says.
“我宁愿认为回报是基于努力和责任——这两件事会带来一生的成功。”她说。
"We thought we would see differences based on the housing types," said the lead author of the study, Julie Robinson, an associate professor of medicine at the university.
这项研究的主要作者、该大学医学副教授朱莉·罗宾逊说：“我们认为我们会看到基于住所类型产生的差异。”
The electrochemical characteristics of lead based alloy anodes with different composition prepared by different way are researched for suppressing the black patina of galvanized steel sheets.
为了防止铅系合金阳极引发电镀锌钢板黑变，对不同成分及不同制造方法得到的阳极进行了电化学性能研究。
A process of electrolytic synthesis of sodium perchlorate from sodium chlorate solution by lead dioxide anode based titanium metal is introduced.
介绍了以钛基体二氧化铅作为阳极，电解氯酸钠合成高氯酸钠的过程。
It's based on modified chlorinated rubber resin. Physically drying, lead and chromate free.
由改性氯化橡胶树脂配制而成的。属物理干燥型。无铅和铬。
It should lead to the development of science-based advice on how measures to reduce climate change in housing and construction can avoid risks to health, and produce health improvements.
会议应当引导提出以科学为基础的建议，如何才能使得住房和建筑方面的气候变化减缓措施避免带来健康危险，使健康得以改善。
Pioneered by US-based state and federal it organizations, enterprise architecture, by some estimates, could lead to as much as a forty percent savings in application integration costs.
由美国的州立和联邦IT组织提出的企业体系结构，估计能够使应用程序整合成本节省最多百分之四十。
The deal will extend Yara's lead as the world's biggest maker of nitrogen-based fertiliser.
此项交易将进一步扩大亚拉公司作为全球最大氮肥制造商的领先地位。
The deal will extend Yara's lead as the world's biggest maker of nitrogen-based fertiliser.
此项交易将进一步扩大亚拉公司作为全球最大氮肥制造商的领先地位。
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