Not recommended for exposure to ketones and brake oil.
不建议暴露于酮类及刹车油中。
Ludwig said ketones seem to have unique effects on the brain.
路德维希博士说，酮似乎对大脑有种特殊影响。
N-oxides of heterocyclic esters, amides, thioesters, and ketones.
杂环酯，酰胺，硫代酸酯和酮的N-氧化物。
Main components: a variety of aromatic ketones and aromatic esters.
主要成分：各种芳香酮及芳香酯类等。
REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.
醇，醛与酮和羧酸之间的氧化还原关系。
The reaction of sulfate with aldehydes and ketones has been known for many years.
大家知道硫酸盐能与醛类和酮类反应已有许多年了。
It is a kind of important reaction to prepare ketones through gas-solid catalysis.
气固催化法制备酮类化合物是一类重要的反应。
At the same time, the addition reaction of organozinc reagent and ketones was investigated.
同时对有机锌试剂与酮的加成反应进行了研究。
The adsorption of PO on the reduced catalyst is more complicated and ketones may be produced.
而PO在还原态催化剂上的吸附行为较复杂，可能生成了酮类化合物。
The process of burning fat produces ketones, which some claim have an appetite-suppressing effect.
燃烧脂肪的过程会产生酮，而酮据说有抑制食欲之效。
Do not recommend the use of low molecular weight in ketones, esters and mixtures containing nitrate.
不建议使用于酮类、低分子量的酯类及含硝的混合物。
The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed.
总结了固载化催化剂在烯烃氧化合成醛酮中的应用。
Not recommended for use in chemical acid, nitro hydrocarbons, esters, ketones and compounds in chloroform.
不建议使用于强酸、硝基烃、酯类、氯仿及酮类的化学物之中。
Process for the solid phase synthesis of aldehydes, ketones, oximes, amines and hydroxamic acid compounds.
醛，酮，肟，胺和异羟肟酸化合物的固相合成方法。
Pure Gum Rubber is generally good for most weak chemicals, wet or dry organic acids, alcohols, and ketones.
对于腐蚀性最弱的化学物质、湿的或干的有机酸、醇以及酮等流体介质，一般来说纯树脂橡胶表现还是好的。
This approach covers the substrate range of aliphatic, aromatic, heterocyclic and steric hindrance ketones.
该催化剂适用于各种脂肪酮、芳香酮、杂环酮和位阻酮。
Can be used for alcohols and ketones, also can be used for sealing high temperature water vapor environment.
可用于醇类及酮类，还可用于高温水蒸气环境之密封。
Chiral carbonyl iron systems have seldom been used in asymmetric transfer hydrogenation of aromatic ketones.
手性羰基铁络合物很少被用于芳香酮的不对称氢转移氢化。
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。
Ketones are found in unusual amounts in the urine of diabetics and people suffering from faulty fat metabolism.
糖尿病患者的尿中丙酮量出现异常，并且患者脂肪代谢出现故障。
The product was mainly consisted of acids, alcohols, aldehydes, ketones, esters, water and small-molecule gases.
白松的热裂解产物主要有酸类、醇类、醛类、酮类、酯类、水分和小分子气体等。
Mannich reactions with aromatic, aromatic ketones and aromatic aldehydes and their applications were studied systematically.
系统研究了脂肪甲酮与芳香醛和芳香胺参与的曼尼奇反应。
They're easier to burn as energy, and when you do that you make ketones, an efficient fuel for body, heart, and brain functions.
它们更容易作为能量燃烧，燃烧这些脂肪时会产生酮，它是身体、心脏和大脑功能的高效燃料。
The selective oxidations of secondary alcohols to corresponding ketones by ammonium chlorochromate were described in this paper.
用氯化铵三氧化铬可以较高的产率将仲醇选择性氧化生成相应的酮。
In this review, asymmetric reduction of prochiral ketones and its recent advances have been described according to the reaction types.
按反应类型分类，综述了酮的不对称还原方法及其近年来的新进展。
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives.
酮及醌，不论是否有其他含氧基，及其卤化、磺化、硝化或亚硝化衍生物。
It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin.
配法是用亚硫酸使品红溶液还原，若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。
He suggests Oscar is able - like dogs, which can reportedly smell cancer - to detect ketones, the distinctly-odoured biochemicals given off by dying cells.
他暗示奥斯卡有能力探测出正在死亡的细胞产生的酮——就像报道过的那只能闻出癌症的狗一样。
Carbohydrates carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.
碳水化合物碳水化合物通常的定义是多羟基的醛和酮或者水解产生多羟基的醛和酮的物质。
Carbohydrates carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.
碳水化合物碳水化合物通常的定义是多羟基的醛和酮或者水解产生多羟基的醛和酮的物质。
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