以愈创为原料，用二烷· 三氧化硫加合物（D。S。试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
采用毛细管气相色谱法，以外标法测定枸橼酸托烷司琼中乙醇、二氯甲烷、氯仿、四氢呋喃、二烷、吡啶和甲苯的含量，用串联的HP -1 0。
A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.
甲醛和14 -二恶烷是已知的致癌物质；甲醛还会引发一些儿童起皮疹。
Formaldehyde and 1, 4-dioxane are known carcinogens; formaldehyde can also trigger skin rashes in some children.
与业界宣称的相反，在美国，对销售的个人护理产品中甲醛、1,4 -二恶烷和其他大多数有毒化学物质的含量限制并没有监管标准。
Contrary to industry statements, there are no regulatory standards that limit formaldehyde, 1, 4-dioxane or most other toxic chemicals in personal care products sold in the United States.
细胞被封装于立方体后，它们就可以通过由聚二甲基硅氧烷(PDMS)——一种也已被广泛用于医疗配件中的含硅多聚体——制成的模板被赋予各种形状。
Once the cells are in cube form, they can be arranged in specific shapes using templates made of PDMS, a silicon-based polymer used in many medical devices.
4 -二恶烷是一个叫做乙氧基化的化学加工过程的副产品，在这个过程中，化妆品原料和环氧乙烷一起进行处理。
4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.
28件被测产品中的17件- 61% -同时含有甲醛和1 4 -二恶烷。
17 out of 28 products tested - 61 percent - contained both formaldehyde and 1, 4-dioxane.
早在上世纪70年代，美国食品和药品管理局(FDA)就开始对化妆品中二恶烷含量进行检测。
The US Food and Drug Administration (FDA) began to inspect the substance from the 1970s.
28件被测产品中的17件- 61% -同时含有甲醛和1,4 -二恶烷。
17 out of 28 products tested 61 percent contained both formaldehyde and 1, 4-dioxane.
常见的有可能造成14-二恶烷污染的原料包括聚乙二醇硬脂酸酯、月桂醇聚醚硫酸酯钠盐、聚乙烯和鲸蜡硬脂醇聚醚-20。
Common ingredients likely to be contaminated with 1, 4-dioxane include PEG-100 stearate, sodium laureth sulfate, polyethylene and ceteareth-20.
依照这一研究，患有糖尿病的男性在同时服用髓袢利尿药和噻唑烷二酮类药物时也会增加骨折的危险。
Men with diabetes taking both loop diuretics and TZDs may also be at increased risk of fractures, according to the research.
利用六亚甲基二硅氧烷扩散分离，在室温下几小时内就能达到完全分离。
Diffusion aided by hexamethyldisiloxane is used, whereby complete separation can be achieved in a few hours at room temperature.
欧盟已经禁止了在化妆用品中使用1,4 -二悪烷。而日本和瑞典也已禁止化妆品中含有甲醛。
The European Union has banned 1, 4-dioxane from cosmetic products. And formaldehyde is not allowed in cosmetics sold in Japan and Sweden.
这些化学制品适合于尿烷泡沫加工，并较传统类型二元醇衍生的泡沫不易燃烧。
These chemicals are compatible and processable in urethane foam formulations and less flammable than foams derived from other conventional type glycols.
更令人烦恼的是，这已经引发了所有噻唑烷二酮类药物和所有PPAR方面药物的使用问题。
Even more worrisome, this has called into question the use of all thiazolidinediones and all PPAR-directed agents.
加利福尼亚州要求的产品中含有了超过百万分之30的1,4 -二恶烷是应该有警示说此产品中含有可能会引发癌症的物质。
California requires that products that contain more than 30 parts per million of 1, 4-dioxane carry a warning saying that the contents may cause cancer.
以二羟基聚二甲基硅氧烷（PDMS）为基体，加入不同填料和助剂，制备了室温硫化硅橡胶涂层。
With hydroxyl group terminated PDMS on both side as feedstock, adding several kinds of fillers and adjuvants, the room-temperature vulcanized silicone rubber coatings are prepared.
一项新的研究显示患有糖尿病的绝经妇女在服用噻唑烷二酮类药物，包括匹格列酮与罗格列酮时，会增加骨折的危险。
A new study has revealed that postmenopausal women with diabetes taking thiazolidinediones (TZDS), including rosiglitazone and pioglitazone, may be at increased risk for fractures.
在更早的检测中，CSC发现许多贴有“自然”或“有机”标签的产品中含有1,4 -二悪烷。
In an earlier test, CSC found that many products labeled "natural" or "organic" contained 1, 4-dioxane.
罗格列酮和吡咯列酮同属噻唑烷二酮类。
Rosiglitazone and pioglitazone are part of a group of drugs called thiazolidinediones.
这一结果特别令人感兴趣，因为男性，单独使用髓袢利尿药或噻唑烷二酮类药物，都不能形成显著的危害。
This result is particularly interesting because in men, loop diuretics or TZDs alone did not confer significant risks.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
研究了六甲基二硅氮烷（HMDS）对电解液稳定性和锂离子电池循环性能的影响。
The effects of hexamethyldisilazane(HMDS)to the stability of electrolyte and cycle performance of Li-ion battery were studied.
金缕梅提取液、维生素e、杏仁油、貂油、角鲨烷、丙二醇等。
Hamamelis mollis extract, vitamin e, almond oil, mink oil, squalane, and propanediol etc.
评论：我们能从对噻唑烷二酮类的持续调控中学到什么？
Commentary: What can we learn from the continuing regulatory focus on the thiazolidinediones?
这个发现进一步支持了之前的表明噻唑烷二酮与骨折相关的一项研究。
The findings support previous research that has suggested a link between these medications and bone fractures.
概述了低价钛诱导的羰基还原偶合反应作为环化关键步骤在西松烷型二萜天然产物全合成中的应用。
The application of carbonyl reductive coupling reaction induced by low valent titanium as the crucial macrocyclization in the total syntheses of cembrane- type diterpenoids are reviewed.
研究目的：已知噻唑烷二酮类药增加2型糖尿病患者心衰发病风险。
OBJECTIE - : Thiazolidinediones are known to increase the risk of heart failure in patients with type 2 diabetes.
十六烷二甲基苯氧乙基溴化铵的乳化能力、起泡力和泡沫稳定性都比较弱，具有一定的消泡和抑泡作用。
The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.
十六烷二甲基苯氧乙基溴化铵的乳化能力、起泡力和泡沫稳定性都比较弱，具有一定的消泡和抑泡作用。
The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.
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