结论双乙烯酮具有明显的肝脏和肺脏毒性。
Conclusion Diketene has obvious toxic effects on liver and lung.
本文介绍了双乙烯酮的生产方法，应用和发展趋势。
The production methods, application and market prospect of diketene are introduced in this paper.
目的探讨双乙烯酮对眼部的损伤机制、表现、急救及预防措施。
Objective Study on the mechanism of ocular burn causing by diketene and its manifestation, emergency treatment and preventive measures.
结果双乙烯酮染毒大鼠血中MDA含量和ALT活力明显升高，GSH含量明显降低。
Results Contents of MDA, activity of ALT increased and contents of GSH decreased significantly in serum.
同组化学物质(如丙烯酰胺和甲乙烯酮)也存在于汽车尾气、二手烟、工业环境中，甚至炸薯条里也有。
Chemicals in this group, such as acrylamide and methylvinyl ketone, also show up in car exhaust, cigarette smoke, industrial Settings, even French fries.
就双乙烯酮与异丙醇在不同催化剂下反应生成乙酰乙酸异丙酯的条件及结果进行了讨论，并提供了实验数据。
The conditions and results of the reaction of diketene with isopropyl alcohol in the presence of different catalysts are discussed and some experimental data are provided.
介绍了双乙烯酮的性质，重点介绍了双乙烯酮的生产方法和双乙烯酮及其衍生产品在医药、农药、染料、食品添加剂工业等方面的应用。
This paper introduced the properties, production, and USES of diketene and its derivatives in the fields of medicine, pesticide, dye, food additive industries etc.
而冷冻干燥的疫苗则在置入微针模子前与乙烯基吡咯烷酮单体混合、并在室温下用紫外光将混合物聚合。
Freeze-dried vaccine was mixed with the vinyl-pyrrolidone monomer before being placed into microneedle molds and polymerized at room temperature using ultraviolet light.
确定了制片压力、润湿剂无水乙醇和粘合剂聚乙烯吡咯烷酮为影响崩解时间和片剂硬度的主要影响因素。
The main factors that influence tablet hardness and disintegration time are wetting agent ethanol, agglutinating agent polyvinylpyrrolidone(PVP) and tablet pressure.
结果：优选的崩解剂组成为：交联聚乙烯吡咯烷酮5%，微晶纤维素40%，低取代羟丙基纤维素15%。
Results: The composition of the choice breaking agents is 5% of cross-linked polyvinylpyrrolidone, 40% of microcrystalline cellulose and 15% of low-replacing hydroxypropyl cellulose.
将聚乙烯吡咯烷酮(pvp)与其他表面活性剂和有机添加剂复配，探讨了其用于防沾色洗涤剂和活性染料染色皂洗剂中的应用性能。
Polyvinylpyrrolidone (PVP) was composed with other surfactants and organic additives to probe its properties when used in anti-staining detergents and soaping agents for reactive dyeing.
聚乙烯基吡咯烷酮(pvp)，是一种水溶性精细高分子聚合物。
Polyvinylpyrrolidone (PVP) is a kind of fine polymer obtained by free radical polymerization of N-vinyl pyrrolidone (NVP).
酮的对甲苯磺酰腙在含水的乙腈中与聚苯乙烯二醋酸磺苯在温和条件下反应得到高产率的酮。
Reaction of tosylhydrazones of ketones with CPSID in wet acetonitrile affords the corresponding parent ketones in excellent yields under mild conditions.
介绍了以一氧化碳和乙烯为主要原料经过催化共聚合，合成聚酮共聚物的方法以及聚酮共聚物的主要物理、化学性能。
Using carbon monoxide and ethylene as raw materials, the synthesis methods and the physical and chemical properties of polyketones (PK) were introduced in this paper.
常温常压下，纳米级的镍基催化剂对苯乙烯和二苯甲酮分别有催化加氢活性。
Nanosized nickel based catalysts can be used to carry out the hydrogenation of styrol and benzophenone at normal temperature and pressure.
用化学动力学方法预测了聚乙烯吡咯烷酮碘的贮存期。
The shelflife of providone-iodine was forecasted by the method of chemical dynamics.
研究了交联聚乙烯吡咯烷酮(PVPP)吸附库拉索芦荟凝胶液中多酚的条件和效果。
The adsorption conditions and effects on poly-phenol in Aloe vera gel with cross linked polyvinyl pyrrolidone (PVPP) was studied in this paper.
综述了聚乙烯吡咯烷酮的性质，合成方法及其应用。
Ths paper reviews the property, some methods about synthesis and use of polyvinyl pyrrolidone.
采用由乙酸钯、2 ，2’ 联吡啶与强酸组成的催化体系，催化一氧化碳和苯乙烯的共聚反应合成聚酮（STCO）。
Polyketone (STCO) was prepared by the copolymerization of carbon monoxide and styrene catalyzed by a composite catalyst system- palladium acetate, 2,2' bipyrodine associated with a strong acid.
论文分别研究了两种聚酮样品及其与聚苯乙烯（PS）共混产物的光降解性能，结果表明，分子量大的聚酮的光降解性能更好；
The photodegradations of polyketone samples and blends of polyketones with polystyrene(PS) were studied. It shows that the higher molecular weight of polyketones is the better photodegradation rate.
在聚乙烯醇（PVA）、聚乙烯吡咯烷酮（PVP）和壳聚糖（CTS）等软模板存在下，通过液相化学还原法制备出各种形貌的银纳米粒子。
In the presence of soft-template such as PVP, PVA and CTS, Ag nanoparticles with different morphologies were prepared through liquid phase chemical deoxidization method.
探讨了聚乙烯吡咯烷酮浓度，羧甲基淀粉钠用量对法莫替丁分散片崩解的影响及不同介质对其溶出的影响。
Famotidine dispersible tablets were prepared. The influence of PVP concentration, sodium starch glycolate quantity and different medium on disintegration and dissolution rate is discussed.
与聚乙烯聚吡咯烷酮比较，具有吸附速度快、吸附单宁更强及成本低廉的优点。
Compared to the polyvinyl pyrrolidone, the rice hull adsorbent has advantages of fast adsorption, stronger adsorbability for tannin and lower cost.
考察了聚乙烯吡咯烷酮(pvp)以及冻融处理对丹参酮脂质体的药物渗漏和微粒聚结特性的影响。
The effects of PVP in formulation and freeze thawing steps on drug leakage and aggregation of tanshinone liposomes were investigated.
对于吡咯烷酮，即开始生产n -乙烯基吡咯烷酮，自1939年在路德维希港自1992年以来生产和巴斯夫的盖斯马在美国网站还。
The starting product for PVP, namely N-vinylpyrrolidone, has been produced since 1939 in Ludwigshafen and since 1992 also at BASF's Geismar site in the United States.
故聚乙烯吡咯酮可有效地应用于家兔的超数排卵中，从而减少FSH的注射次数，简化超排的操作程序。
Polyethylenepyrrolieone ketone it can be used for rabbits superovulation, thus reducing the number of injections of FSH.
在高分子聚乙烯吡烷酮深层吸附作用下，减速肌肤细胞新陈代谢，有效除去皮肤角化兴起细胞，剥离皮肤昏暗无光的表皮层，改善老化踪迹。
With high molecule PVP in-depth absorption, it accelerates metabolism of skin cell, effectively removes dead cornified skin cells, peels dark epidermis, thus procrastinating aging.
在高分子聚乙烯吡烷酮深层吸附作用下，减速肌肤细胞新陈代谢，有效除去皮肤角化兴起细胞，剥离皮肤昏暗无光的表皮层，改善老化踪迹。
With high molecule PVP in-depth absorption, it accelerates metabolism of skin cell, effectively removes dead cornified skin cells, peels dark epidermis, thus procrastinating aging.
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