查询词典 carcinogenic substance

Objectives: Substance use and physical abuse during pregnancy are known health problems that detrimentally affect maternal health and birth outcomes; however, many health professionals pay little attention to these problems. The aims of this study were to estimate the prevalence of substance use and physical abuse during pregnancy in different ethnic groups and to explore the effects on birth weight.

目标：物质使用及受虐是公认危害母体及胎儿之危险因子，但甚少受到医疗工作人员的关注，为协助妇女保健工作之推展，本研究系以问卷资料访谈评估不同种族妇女於怀孕期间物质使用及受虐经验对婴儿出生体重之影响。

It change the normal method for "beginning control" and "goal control". With the development of living level, upholster is dispensability for indoor, the using of decorative material produce plenty of poisonous、baleful chemical substance. These substance make the air indoor into bad, and threaten the healthy in the door if these cumulate .What"s more it will reduce work efficiency. The past method of IAQA is subjective assessment or giving priority subjective assessment. But people will adapt to indoor environment due to settle in the door long-term, which it lead to incorrectness. So, we can"t only use subjective assessment for IAQ. In this article, the author bring forward the best and the reasonable assessing method ,which it is combining the subjective assessment to objective assessment.

随着生活水平的提高，室内装潢成为家居装饰不可缺少的部分，装饰材料的应用，会产生大量的有毒、有害化学物质，使得室内的空气质量变差，且长期累积会威胁室内人员的身体健康，导致工作效率低下，过去对室内空气品质的研究仅用主观评价方法或以主观评价为主对室内人员的主观感受做调查，但是由于室内人员对室内的环境具有适应性，从而造成评价的不准确，且过去对化学微污染物的影响没有定性的研究，因此，用该方法进行评价显然是不准确的，所以，本文提出用主观评价和客观评价想结合的评价方法对室内空气品质进行综合评价。

Environmental hormone means endocrine disrupter substance, is definition by Japan Environmental Administration in 1997. This substance once enter in vivo by way of environmental conveyance, will amiss bonding with the receptor. It will result influence like hormone or destroy the balance and function of normal endocrine system.

摘要 环境荷尔蒙由日本环境厅在1997年所定义，指的是外因性内分泌干扰物质，此等物质一但经由环境介质进入动物体内后，会和体内的受体发生错误结合，产生类似荷尔蒙的影响或是破坏干扰原有内分泌系统的平衡及功能，进而干扰动物体内的生理作用。

For example, if the bulk substance is a blend of two active substances or an active substance and excipient, then there should be some discussion/evaluation of the process for assuring uniformity.

比如，原料药是两种活性成分或者一种活性成分和辅料组成的混合物，那么应该有确保均一性的工艺讨论/评价。

Kalium and natrium erode into brick at a high temperature in the form of simple substance and result in expansion in self-baking carbon brick, and molten alkali metal oxides adsorbed on the face of brick react with SiO2 and obtain a eutectic mixture which causes expansion at a high temperature, while carbon deposition caused by the reaction of CO and simple substance of kalium and natrium as well as the soot deposition of CO contribute to the lower temperature expansion.

结果表明：膨胀率及碱含量都随温度和时间的增加而增加，膨胀率受时间影响较大，达到8%左右，而受温度影响较小，仅为1%左右；砖内K， Na元素质量分数受时间和温度的影响均较大，分别达到4.5%，5.33%，4.28%，4.46%，且Na侵蚀较K严重；在高温下K， Na是以单质形式侵入砖体内，而熔融碱是吸附在砖体表面并与SiO2：生成低共熔化合物引起高温膨胀，在低温下砖内K，Na单质与CO发生C沉积以及CO发生烟碳沉积反应引起低温膨胀。

Based on analyzing the fixed value of the coal ash fusibility standard substance,the uncertainty about the standard value of the coal ash fusibility standard substance was analyzed and quantitated in this paper.

通过对煤灰熔融性标准物质定值的分析，分析和量化了煤灰熔融性标准物质标准值的不确定度。

Constantly contemplate the whole of time and the whole of substance, and consider that all individual things as to substance are a grain of a fig, and as to time, the turning of a gimlet.

不断地沉思全部时间和整个实体，考虑所有个别的事物对实体来说就像是沧海一粟，对于时间来说就像是螺丝锥的一下转动。

Because the large proportion of gold-bearing substance is intergrowth with other heavy minerals, the substance pretreated which has more heavy minerals may be put into the process of HASG technology.

基于金质成分的比重大，且通常与其他重矿物共生，经过预处理、含重矿物较多的物料，即可投入金质成分的提取回收工序。

Methods ground substance was evenly mixed with the extractives derived from drugs in prescription to study the species and dosage of the ground substance.

将处方中各药材得到的提取物与基质均匀混合，考察基质种类、用量。

When you take a habit-forming substance regularly, your body eventually accommodates the substance.

当你采取一种习惯养成定期物质，你的身体终于容纳这些物质。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。