要确保你的儿童照管服务提供者有推行勤洗手或使用醇基洗手液。
Be sure your child care provider promotes frequent hand washing or use of alcohol-based hand sanitizers.
对水敏性储层进行压裂改造,一般只能使用油基或醇基压裂液。
Reforming to water sensitive reservoir, oil or alcoholic base fracturing fluid is only used generally.
随着聚乙二醇基链长的增加,药物对乙酰胆碱酯酶抑制活性依次减弱。
With an increasing chain length of polyethylene glycol group linked on niclosamide, the inhibitory effects weakened.
一种用于工业炉的醇基汽化重整燃烧系统,属于热工系统装置技术领域。
The alcohol base fuel gasifying and reforming combustion system for industrial furnace belongs to the field of thermal system technology.
本文介绍碳素醇基涂料在冷硬树脂砂铸铁件上应用的配方、配制工艺及使用效果。
This paper describes the technological process and the result of the application of carbon ethanol-base coating on self-hardening resin sand mold.
由于环保要求的提高,醇基硅酸乙酯的使用受到限制, 硅溶胶的应用越来越广泛。
The use of alcoholic ethyl silicate would be restricted and the silica sol would be more and more extensive because of the more strict environmental protection requirement.
在反相体系中,研究了十八烷基键合相表面残留硅醇基对杂多酸阴离子保留行为的影响。
In the reversed-phase system, the influence of residual silanol groups of C18 bonded phase surface on the retention behaviors of heteropoly acid (HPA) anion is studied.
作者着重阐述了汽化燃烧的技术基础,介绍了液控式和气控式醇基燃料汽化燃烧器的设计。
The authors have focused on an exposition of the basis of the boiling combustion technology, the design of liquid-controlled and gas-controlled combustions for firing Alcohol-based fuel is introduced.
醇基燃烧喷嘴含有所述气动剪切刀、管式固定座、通气孔、气液疏导管、固定帽和气液切割座。
The alcohol group burning nozzle comprises the pneumatic cutting knife, a tubular fixing seat, an air vent, a gas and liquid conduit, a fixing cap and a gas and liquid cutting seat.
烷基二醇基硅胶(ads)系限进介质的一种,可用于含生物大分子的复杂生物样品的直接进样与分析。
Alkyl diol silica (ADS) is a kind of restricted access media, which can be used for direct injection and analysis of complex biological samples containing bio macromolecules.
本发明提供可以不经过复杂的制造工序、在工业规模上容易制造具有六氟醇基的有机硅化合物的方法。
The invention provides a process by which an organosilicon compound having a hexafluorocarbinol group can be easily produced on an industrial scale without via a complicated production step.
用尿素对聚乙烯醇基料进行了改性,使其耐水性得到提高。并用溶剂萃取法对其耐水性进行了测试,确定了最佳改性条件。
The water resistance of PVA was increased by using urea. The product was tested by the method of solvent extraction. The best modification condition was found.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨,在此基础上合成了四个酮的二甲硅基双烯醇醚,产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
视黄醇是一种抗氧化剂,它能中和自由基,比如说像不稳定的可以引起皱纹的氧自由基。
Retinol. As an antioxidant, retinol neutralizes free radicals such as unstable oxygen molecules that cause wrinkles.
紫杉烯合酶是一种二萜环化酶,催化牛儿基牛儿基焦磷酸形成紫杉醇生物合成过程中的中间体紫杉烯。
Taxadiene synthase, a diterpene cyclase, catalyzes the conversion of geranylgeranyl diphosphate (GGPP) to taxadiene, a key intermediate in Taxol biosynthesis in yew.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基,制备了硬质聚氨酯泡沫塑料。
A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇,并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
探讨独活及其醇提物延缓脑老化的自由基和免疫炎症方面的作用机制,为延缓机体衰老提供实验依据。
Based upon free radicals and inflammation theory on senescense, this study further researches the mechanism in delaying the brain aging process by Angelica pubescens and its extractive.
紧接着,表面引发甲基丙烯酸聚乙二醇酯(PEGMA)原子转移自由基聚合制备梳型聚合物刷。
The comb copolymer brushes were subsequently prepared via surface-initiated atom transfer radical polymerization of poly (ethylene glycol) methyl ether methacrylate (PEGMA).
介绍了Co基催化剂在低碳混合醇合成、烯烃合成和长链烃合成中的应用研究进展。
Recent progress in study of cobalt based CO hydrogenation catalysts and their applications to synthesis of alcohol, olefine and long chain hydrocarbons are presented.
处理后的愈伤组织接种到含有15 %聚乙二醇(PEG)的筛选培养基上,获得对水分胁迫具有抗性的愈伤组织,诱变率为5 .4 %。
When the treated callus inoculated on the selection medium contains 15% PEG, 5.4% of water stress resistant mutants were induced.
本文还用两阶段培养法研究了三种培养基对愈伤组织合成紫杉醇的影响。
The culture of two phases was used in this paper to study the effect of the three different media on callus multiplication and taxol biosynthesis.
使用1,1,1,2-四氟乙烷和醇作为发泡剂的挤塑乙烯基芳族泡沫塑料。
Extruded vinyl aromatic foam with 1, 1, 1, 2 - tetrafluoroethane and alcohol as blowing agent.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
文摘:综述了近几年钌亚乙烯基络合物中间体-碳的亲核反应。亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
详细介绍了氮氧自由基催化氧化法和贵金属催化氧化法合成脂肪醇醚羧酸盐。
The novel methods for synthesis of ethoxylated fatty alcohol carboxylate (AEC) by catalytic oxidation with a stable free radical nitroxide or a noble metal catalyst were reviewed.
结果验证了在石墨烯上成功引入各种有机基团,如羟基、羧基、氨基、溴基、长链烷基、聚乙二醇、聚苯乙烯等。
The results demonstrate the successful introduction of various organic moieties on graphene, such as hydroxyl, carboxyl, amino, bromine, long alkyl chain, polyethylene glycol, and polystyrene.
结果验证了在石墨烯上成功引入各种有机基团,如羟基、羧基、氨基、溴基、长链烷基、聚乙二醇、聚苯乙烯等。
The results demonstrate the successful introduction of various organic moieties on graphene, such as hydroxyl, carboxyl, amino, bromine, long alkyl chain, polyethylene glycol, and polystyrene.
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