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A method for the determination of polybrominated diphenyl ethers in pine needles was developed.

建立了测定松针样品中多联苯醚的分析方法。

As a kind of global environmental contaminants, polybrominated diphenyl ethers are ubiquitous in environment.

联苯醚是一类环境中广泛存在的全球性有机污染物。

Similarly, over the last 30 years flame-retardant chemicals known as polybrominated diphenyl ethers have been widely used, although little is known about their broader effects.

类似地,在过去的30年里,像我们知道的多二苯醚等阻燃化学药剂也被广泛应用,但我们并不了解它们具有的其他功能。

Our country's port inspection and quarantine services mainly apply heat treatment and fumigation with methyl bromide for the disinfestation of wood packing material.

我国的口岸检验检疫机关对木质包装材料的除害处理主要采用热处理和甲烷熏蒸。

The influence of each condition on the reaction speed and yield was studied, and the optimal conditions were: the ratio of the amount of substance of aromatic amine and heptafluoro-isopropyl iodine was 1:1.1~1.5, the amount of substance of sodium dithionite, sodium bicarbonate, aniline compounds were respectively 1.1~1.3, the amount of substance of phase transfer catalyst TBAB and aniline compounds was 0.05~0.1, the concentration of aniline compound was 0.5~1.0 mol/L, reaction temperature was 10~20 ℃, and the solvent was aether.

最佳结果为:芳胺与七氟异丙基碘的物质的量比1:1.1~1.5,连二亚硫酸钠、碳酸氢钠与苯胺的物质的量分别为1.1~1.3,相转移催化剂四丁基化铵与苯胺的物质的量比在0.05~0.1,溶剂总用量使苯胺浓度在0.5~1.0 mol/L;反应温度10~20℃;溶剂采用乙醚。取代基供电子性越强,反应时间越短,产率越高;氨基的对位优先反应,氨基的邻位较难发生反应;且七氟异丙基总是优先取代在芳环电子云密度较高的位置上。

However, the sulfonate CF3CFBrOCF2CF(CF3)O(CF2)2SO3Na reacted with sodium dithionite to give only the hydrodebromination product.

7的水解产物CF3CFBrOCF2CF(CF3)O(CF2)2SO3Na(11)与连二亚硫酸钠反应只得到氢化脱产物。

In cases of doubt the changes following hydrogenation, bromination or other chemical attack upon the double bond can be studied.

在有疑问时可以研究双键的氢化,化或其他化学反应所引起的变化。

Mesoporous zincum sulfide is synthesized by room-temperature method and hydrothermal technique, employing the surfactant cetyltrimethyl ammonium bromide, duodecimal alkyl sulfonic natrium and lauryl amine as templates. All kinds of technic parameters' influence to the synthesis has been systematically discussed, and the extracting of templates have been investigated.

本论文以十六烷基三甲基化铵、十二烷基磺酸钠及十二胺为模板,采用水热法和室温法合成了介孔硫化锌,系统探讨了各种工艺参数对合成材料结构特征的影响。

Table 1 medical packaging materials, containers, scope of pharmaceutical packaging materials, containers, in the form of the name preparation notes plastic bottle kalidehydroandrogropholidi = 50ml material with PP, LDPE Infusion bags, kalidehydroandrogropholidi = 50ml material is PVC, polyalkene glass infusion bottle 50ml clorsulon = injection bottle kalidehydroandrogropholidi 50ml, kalidehydroandrogropholidi = 50ml-molded, control of glass bottle kalidehydroandrogropholidi kalidehydroandrogropholidi 50ml kalidehydroandrogropholidi 50ml ampule medical plastic bottle of tablets, capsules, tablets, colour.10pills glass ampoules, pills and capsules, syrup, oral solution, nanosuspensions, immunoembolization, tincture, linimentum, lotio hard PVC medicinal Tablet and capsule-plastic blister packaging PVC/PE/PVDC medicinal compound hard Tablet and capsule-plastic blister packaging Composite PVC/PVDC medicinal Tablet and capsule hard-plastic blister packaging cold metal forming hard medicinal compound tablets, capsules, suppository materials have nylon/aluminium/PVC double aluminum packaging Tablet and capsule PVC/hard LDPE medicinal compound tablets, capsules, suppository glass bottle ciinincal ciinincal ciinincal plastic bottle medicinal ciinincal medicinal eardrops plastic bottle eardrops medicinal nasal drops plastic bottle nose drops for external use liquid medicinal plastic bottle tincture, linimentum, lotio koufuye of medicinal plastic bottle syrup, oral solution, nanosuspensions, immunoembolization glass control oral bottle syrup, oral solution, nanosuspensions, immunoembolization packaging for medicine bag laminating film, puivis bletillae, feian and Tablet foil Tablet and capsule of unguentum Al fighting、smoke aluminium pipe, oculentum, puivis bletillae, Tin aerosolon, nabulization materials have aluminum, plastic valve pyritionate, nabulization stopple kalidehydroandrogropholidi 50ml, 50ml clorsulon = material bromide, CIIR synthesis of oprene 50ml clorsulon = gasket aluminium caps combination Cap koufuye falchion, kalidehydroandrogropholidi 50ml, 50ml prestrain kalidehydroandrogropholidi = potting needle kalidehydroandrogropholidi 50ml desiccant tablets, capsules, pills and aluminium bottles vinpocetione polyethylene film and bag vinpocetione b, package management and standards on the management of the drug packaging mainly has two modes: a mode of government management, such as Singapore, Indonesia adopted a market access system, United States, Canada, the European Union through the implementation of the medicine on the packaging of the strict management, that is, the drug registration, declare to use medical packaging of related materials; Government departments on the packaging manufacturer production system to carry out spot checks.

表1 药品包装材料、容器适用的范围药用包装材料、容器名称制剂形式备注塑料输液瓶注射剂≥50ml 材料有PP、LDPE 输液膜、袋注射剂≥50ml 材料有PVC、聚烯烃玻璃输液瓶注射剂≥50ml 冻干注射剂瓶注射剂0ml、注射剂≥50ml 模制、管制玻璃注射剂瓶注射剂0ml 安瓿注射剂0ml 口服固体药用塑料瓶片剂、胶囊、丸剂玻璃药瓶片剂、胶囊、丸剂、糖浆剂、口服溶液剂、混悬剂、乳剂、酊剂、搽剂、洗剂 PVC药用硬片片剂、胶囊铝塑泡罩包装 PVC/PE/PVDC药用复合硬片片剂、胶囊铝塑泡罩包装 PVC/PVDC药用复合硬片片剂、胶囊铝塑泡罩包装冷冲压成型药用复合硬片片剂、胶囊、栓剂材料有尼龙/铝/聚氯乙烯双铝包装片剂、胶囊 PVC/LDPE药用复合硬片片剂、胶囊、栓剂玻璃滴眼剂瓶滴眼剂药用滴眼剂塑料瓶滴眼剂药用滴耳剂塑料瓶滴耳剂药用滴鼻剂塑料瓶滴鼻剂外用液体药用塑料瓶酊剂、搽剂、洗剂口服液体药用塑料瓶糖浆剂、口服溶液剂、混悬剂、乳剂玻璃管制口服液瓶糖浆剂、口服溶液剂、混悬剂、乳剂药品包装用复合膜、袋散剂、颗粒剂、片剂药品包装用铝箔片剂、胶囊铝管、铝塑管软膏、眼膏剂、散剂、罐气雾剂、喷雾剂材料有铝、塑料阀门气雾剂、喷雾剂胶塞注射剂0ml、注射剂≥50ml 材料有化、氯化丁基橡胶合成聚异戊二烯垫片注射剂≥50ml 铝盖、铝塑组合盖口服液、注射剂0ml、注射剂≥50ml 预灌封注射针注射剂0ml 干燥剂片剂、胶囊、丸剂铝瓶原料药聚乙烯膜、袋原料药二、包装管理及标准各国对药品包装的管理主要有两种模式:一种模式是政府管理,如新加坡、印度尼西亚采取市场准入制的方式,美国、加拿大、欧盟通过对药品的管理实施对药品包装的严格管理即在药品注册时,申报所使用药品包装的相关材料;政府部门对药品包装生产企业的生产体系进行现场检查。

Potassium bromide crystal s were effectively colored electrolytically with a lab-made electrolytic apparatus at 693 K by a DC 1 200 V voltage.

用自行研制的电注入装置,在693K温度下施加DC1200V电压、对化钾晶体进行电注入并使之有效着色。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。