醇类
- 名alcohol
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用固定床反应器对苯胺和醇类气相N烷基化反应进行了研究。
The study was made of gas N alkylation of aniline and alcohol in fixed bed reactor .
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PG消毒剂含2%强化中性戊二醛,醇类和香料。
PG disinfectant contains 2 % glutaraldehyde , alcohol and perfume .
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Cu(Ⅱ)络合物分子氧体系对醇类的催化氧化
Oxidation of alcohols with dioxygen catalyzed by cu (ⅱ) complex
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该菌对脂肪醇的氧化性能与烷类相似。C(12)&C(18)脂肪醇氧耗率相当高,低于正癸醇的醇类的氧化则不明显。
The microbial oxidation of fatty alcohols ( C_8-C_ ( 18 )) is similar to that of the corresponding alkanes .
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在Cu2(OH)PO4催化剂上温和条件下H2O2对醇类化合物的催化氧化
Catalytic Oxidation of Alcohols with Cu_2 ( OH ) PO_4 in Mild Conditions over Catalyst H_2O_2
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采用正交试验,筛选出多元醇类钻井液添加剂PA的最佳配方。
The optimum formulation of polyols additive PA was determined from orthogonal test .
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三萜醇类、4-甲基甾醇类和甾醇类的乙酸酯用硝酸银-硅胶G薄层进一步分离。
The acetates of triterpene alcohols , 4-methylsterols and sterols are further separated by TLC with silver nitrate impregnated silica gel G.
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醇类在超临界CO2中无限稀释扩散系数的测定和关联超临界CO2萃取技术及应用
MEASUREMENT AND CORRELATION OF DIFFUSION COEFFICIENTS FOR ALCOHOLS IN SUPERCRITICAL CO_2 Technology and Application of Extraction by Supercritical State Carbon Dioxide
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即使在很稀的二硫化碳溶液中,醇类光谱还表现出由于与溶剂缔合而产生的OH频率的一些改变。
Even in carbon disulphide in very dilute solution , the alcoholic spectrum shows some changes in the OH frequency due to solvent association .
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以Mn(Ⅲ)/Mn(Ⅱ)为间接氧化还原体系,用间接电氧化的方法,在相转移催化条件下对醇类的氧化进行了研究。
Indirect electrooxidation of alcohols was studied by using Mn (ⅲ) / Mn (ⅱ) as a redox system under phase transfer catalysis .
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直接醇类燃料电池(Directalcoholfuelcell,DAFC)是以甲醇、异丙醇等有机小分子作为燃料的新型低温燃料电池。
A direct alcohol fuel cell is a new type of low-temperature fuel cells using small organic molecules ( methanol , isopropanol ) as fuel .
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黄酮醇类和香豆素类化合物在抗肿瘤、抗HIV病毒、酶抑制剂等方面具有良好的生物活性,是许多先导药物的前体。
They are precursors of the lead compounds , which possess a variety of biological activities including anti-tumor , anti-HIV virus , and enzyme inhibitors treatment .
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龙爪槐叶片中提取得到的化感物质,经HPLC、GC-MS鉴定,这些化和物中主要含有醇类,酮类和萜类物质。
Pendula leaves allelochemicals extracted by HPLC , GC-MS identification , and material which mainly consisted of alcohols , ketones , and terpenoids .
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当渗沥液的初始pH为5时,冷凝液主要成份为挥发性有机酸和低碳醇类物质,不含氨氮;
When the initial pH value of LRSP was 5 , the condensate mainly contained the volatile fat acids ( VFA ) and low molecular weight alcohols and nearly no ammonia .
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指出以CO2为弱氧化剂,对烃类和醇类进行选择性催化氧化,是大规模利用二氧化碳的有效途径。
This paper suggests the selective oxidation of hydrocarbon and alcohol , by carbon dioxide is a effective routes for CO 2 utilization in a large scale .
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在醇类燃料的掺烧浓度低于20%的范围内增加醇类燃料的浓度时,尾气中HC和CO的含量明显减少。
When the blending concentration is less than 20 % , with the increasing concentration of alcohol , the HC and CO contents are significantly reduced .
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GC-MS鉴定表明,百合根系分泌中可能的化感物质主要包括脂类、醇类、酚类等,其中脂类物质含量较高。
Allelochemicals in lily roots exudates mainly include lipid , alcohols , phenolic etc , with lipid content is higher , by GC-MS detection .
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C6醛类和醇类的含量在绿熟期最高,随着果实成熟逐渐下降;
The maximum of C6 aldehydes and alcohols were found at mature green stage , diminishing in concentration as ripening proceeded .
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醇类在Si-H表面形成单分子膜的特性
Properties of the Monolayer Derived by Alcohols on Si ( 111 ) - H Surface
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柴油机燃用DME的非常规排放物试验研究结果表明,这两种方法均能对醇类燃料发动机非常规排放物中的醛类物质进行定量分析。
An Experimental Study of Unregulated Pollutants from a DME Fueled Diesel Engine Experimental results indicate that both methods are capable of quantitative analysis of aldehydes .
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防龋齿口香糖中糖醇类成分对CPPs延缓磷酸钙沉淀性能的影响
Effect of Ingredient of Polyols in Chewing Gum Prevention Caries on the Capability of CPPs Postponing Calcium Phosphate Depositing
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目的探讨含紫杉醇类辅助化疗方案对HER-2(表皮生长因子受体2)阳性乳腺癌患者生存率的影响。
Objective To investigate the effects of survival rate in the use of adjuvant chemotherapy containing paclitaxel on patients with breast cancer of HER-2 positive .
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对于水(包括超临界水)、醇类和HF等流体在宽广的压力和温度范围内,使用实验数据对本方程进行检验,其自扩散系数的相对平均偏差在7.5%左右。
The equation reproduces the experimental self-diffusion coefficient with average relative error of about 7.5 % for water ( including the super-critical water ), alcohols and hydrogen fluoride over wide ranges of temperature and pressure .
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利用wiebe-Bagley模型及直接从凝固点降低法计算了醇类在苯及对二甲苯中不同浓度下的平均缔合度n_(WB)及n_(dir)。
With Wiebe-Bagley association model and data directly from freezing point depression , n , the average degrees of association of alcohols in benzene , p-xylene were calculated .
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考察了后添加乳化剂种类与用量、醇类、pH值、固含量对胶乳冻融稳定性的影响,确定了羧基丁苯胶乳的防冻剂配方(0.7份防冻剂Ⅰ和0.3份防冻剂Ⅱ)。
The effects of types and amounts of emulsifiers added , alcohols , pH values and solids content on the freeze-thaw stability of carboxylated styrene-butadiene latex were investigated . The recipe of antifreezer was 70 % antifreezer ⅰ and 30 % antifreezer ⅱ .
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工作场所空气中醇类化合物异丙醇、丁醇、异戊醇的时间加权平均浓度(TWA)测定方法研究
Study on determination of the time weighted average concentration for isopropyl alcohol , butyl alcohol and amyl alcohol in workplace air
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Sb-Mo复合氧化物单一相催化剂上的醇类氧化酯化
Oxidative Esterification of Lower Alcohols over the single Phase Catalysts of Sb-Mo Binary Oxides
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本文进一步研究了茶黄烷醇类(TF)对血小板聚集以及人血小板丰富血浆产生TXA2的影响。
The effects of tea flavanols on platelet aggregation and thromboxane B_2 level both in vivo and in vitro have been further studied in the research reported hereafter .
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此外,结合相似反应条件下其他多羟基醇类的对比试验初步探讨了葡萄糖多羟基对水热条件下形成VO2(B)带状形貌的结构导向作用。
In addition , the structure-directing roles played by polyhydroxy groups in the formation of belt-like VO2 ( B ) under hydrothermal conditions were discussed basically in comparison with the control experiments of other kinds of polyhydroxy .
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1-MCP处理后猕猴桃果实香气的醇类物质和醛类物质的相对含量较对照高,而酯类物质较对照明显降低。
Aroma relative contents of alcohols and aldehydes of kiwifruit aroma were more than that of control , but esters were less than that of control after 1-MCP treatment .