查询词典 chemicals

In their Respiratory Protection standard, 29 CFR 1910.134, OSHA does require that respirators be stored to protect them from damage, contamination, dust, sunlight, extreme temperatures, excessive moisture, and damaging chemicals, and that they be stored to prevent deformation of the facepiece and exhalation valve.

在OSHA 的呼吸保护标准29CFR1910.134中，规定呼吸器应储存在安全、无污染、无尘、无日光照射、无极端温度、无高湿、无有害化学物的环境中，储存中应防止呼吸器面罩和呼气阀的变形。

In case there should be marks of cement, wax oil, hair-dying, fixature, ink or of other chemicals , that are unremovable, Party A should inform Party B in advance, and washing should be conducted upon approval of Party B.

甲方洗涤物品所含有的无法去除的污渍，如水泥迹，石蜡油，染发剂，发胶，签字笔迹及其它化学药剂，需通知乙方，经乙方鉴定及认可有能力清洗后，方可清洗。

In 1980, Frederica Perera, a professor at Columbia's Mailman School of Public Health and a highly regarded investigator of the effects of environmental hazards, was studying how certain chemicals in cigarette smoke might cause cancer.

弗雷德里卡·佩雷拉是哥伦比亚大学梅尔曼公共卫生学院（Columbia's Mailman School of Public Health）的教授，也是备受尊敬的环境危害影响研究员。

Organic chlorine farm chemicals: gammexane, heptachlor , DDT:(5) dioxin.

有机氯农药，包括六六六、七氯、DDT：（5）二恶英。

Ginger's pungency mainly comes from chemicals such as gingerols ([6]-, [8]-, [10]-gingerol), shogals ([6]-, [8]-, [10]-shogaol). Of those, [6]-gingerol and [6]-shogaol are present in the largest amounts, and are the main active pharmacological ingredients in ginger as well. Gingerols, with the amount directly proportional to the age of the ginger, are thermally unstable, and at high temperatures change easily into shogaols.

姜辛辣味的化学成分主要是gingerols（[6]-， [8]-， [10]-gingerol）、shogals（[6]-， [8]-， [10]-shogaol）其中又以[6]- gingerol、[6]-shogaol的含量最多，也是姜的主要药理活性成分。gingerols具热不安定性，在高温下会变化成shogaols，因此，生姜富含[6]- gingerol，乾姜富含[6]-shogaol，且其量与生长年数成正比。

It is widely used for civil-construction,machinery,chemicals and space navigation,especially in grainage systems.

真正爱你的女孩，会陪你一起看你最喜欢的节目，即便是自己最讨厌滴。

It is difficult to be controlled by chemicals because of its small body,rapidly reproductive and hind habitate.

但由于该螨个体小，生境隐蔽，繁殖快，防治难度大，有必要探索新的控制途径。

Two needle-shaped crystal chemicals were identificated from a plateau plant Halenia elliptica D. Don. Some analysis methods, such as EA, MS, NMR, FTIR and UV spectrometly, as well as melting point analysis, were used for the characterization of them, results showed that they were 1,3-dihydroxy-4,5,8-trimethoxyxanthone and 1-hydroxy-2,3,4,8-tetramethoxyxanthone.

提取并鉴定高原植物椭圆叶花锚的全草中2种针状结晶化合物；采用元素分析、核磁共振波谱、质谱、红外光谱、紫外光谱、熔点测定等分析方法，对其化学结构进行表征；产物分别为1，3-二羟基－4，5，8-三甲氧基酮和1-羟基－2，3，4，8-四甲氧基酮。

Objective: In order to provide sensitive and reliable technique for the study of the relationship between enviromental estrogens and diseases, analytical methods for three kinds of representative environmental estrogens such as mycotoxins (zearalenone and its metabolites, aflatoxin B_1 and ochratoxin A), persistent pesticide pollutants (hexachlorocyclohexane and dichlorodiphenyltrichloroethane) and industrial chemicals (bisphenol A and 4-nonylphenol) with chromatography were to develop.

目的：选择三种有代表性的环境雌激素：真菌类毒素(玉米赤霉烯酮及其代谢物及赭曲霉毒素A、黄曲霉毒素B_1)、农药类持久性污染物(666、DDT)和化工原料类雌激素为对象，分别研究它们的检测方法，为监控环境激素和研究它们与疾病之间关系提供灵敏、可靠的分析方法和实验依据。

I love the fact that it's homeopathic versus that stuff filled with chemicals that you buy at the drugstore.

我很喜欢它的一点是因为它是顺势疗法，这和那些充斥在各个药店里的化学制药不一样。

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。