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- reaction media and catalyzers 反应介质和催化剂
- Clean catalysis using ionic liquids as reaction media and catalysts. 离子液体在清洁催化中的应用。
- The encapsulated catalyst may recovered from the reaction medium and re-cycled. 包封的催化剂可以从反应介质中回收并重新循环使用。
- The Al203:Ti crystals are synthesized when the Ti irons are added into the reaction medium and orange color sapphire crystals are obtained when the Mn irons were added. 在前驱物中掺入适量的Ti化合物时，合成出Al_2O_3:Ti宝石晶体； 前驱物中掺入适量的Mn化合物时，合成出橙色蓝宝石晶体。
- Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxi-dation of alkenes with hydrogen peroxide have been reviewed. 以反应介质和主催化元素为线索;对双氧水为氧源的烯烃环氧化反应的最新研究进展进行了综述.
- The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst. 采用正丁醇-氢氧化钠反应体系,以十六烷基三甲基溴化铵为相转移催化剂,制得脱乙酰度为92%25的壳聚糖。
- Atomic fluorescence spectrometry(AFS)were used to determinate the amount of Hg in food. The effects of the concentration of NaOH,reaction medium and acidity,borohydride,some interferences and their avoidance were discussed. 采用原子荧光光谱法测定食品中的汞,从氢氧化钠浓度、反应介质及酸度、硼氢化物的使用、干扰与消除等方面进行了探讨。
- This article reviews the recent development in the sucrose ester's synthesis catalyzed by enzymes, namely those involving control over the enzyme, the reaction medium and the acyl donor. 本文对蔗糖酯的酶促合成研究进行了总结,其中主要涉及到酶、反应媒介和酰基供体等影响因素。
- The synthetic method of sulbactam,mainly involving the reaction medium and condition about oxidation and reduction,was developed.The overall yield and the quality of the product was also improved. 通过改变氧化及还原反应的介质和其他反应条件,对舒巴坦的生产工艺进行了改进,提高了产品收率英文翻译,英语:
- How to do media and culture studies II. 媒介与文化研究方法2。
- Shanghai Int'l Media and Multimedia Expo. 上海国际媒体及多媒体技术设备展览会。
- There are three sizes,small, medium and large. 有三种尺寸，小号、中号和大号。
- Medium and small banks also face a growing risk. 中小型银行也面临不断成长的风险。
- The reaction conditions and catalyzed mechanism were also disscused. 考察了催化剂的催化性能及影响反应的因素。
- After his expulsion from the cabinet the minister became the subject of a smear campaign. It seems the media and the public alike take pleasure in hitting a man when he's down. 自从被赶出内阁，这位部长便成了造遥中伤活动的目标，似乎宣传工具及公众舆论都同意喜欢使人雪上加霜。
- Long, medium and short overcoats. Winter wear, jacket, coat, long, medium and short jumpers. 大，中，短大衣，防寒服，茄克衫，上装，中长短马甲。
- Coordinate and support Alcatel APAC for media and IA perspective. 协调、支持阿尔卡特亚太区媒体和分析师活动。
- Describes using Windows Media and DirectX for Managed code. 介绍如何在托管代码中使用Windows Media和DirectX。
- Ho tends to avoid the media and has made few comments on Shin. 泰倾向回避媒体,并提出几点意见,善。
- Humans attune to the media and wonder why they do not feel loved. 人们调谐到媒体，却又奇怪为什么他们没有感受到被爱。
