苯丙醛

Acetalization of Benzaldehyde with 1,2 Propanediol over Dealuminated USY

脱铝超稳Y沸石催化苯甲醛与1，2-丙二醇的缩醛化反应

Moisturizer:Water,propylene glycol,saccharide isomerate,chondrus crispus,peg-40 hydrogenated castor oil,imidazolidinyl urea,methylparaben,sodium hyaluronate,pentadecalactone,citrus aurantium dulcisoil,lactic acid,iris germanica root extract,sodium hydroxide,citrus aurantium amara oil,yellow 6(CI 15985),limonene,linalool

保湿精华：水，丙二醇，天然异构寡糖，卡拉胶，PEG-40氢化蓖麻油，尿素醛，羟苯甲酯，透明质酸钠，环十五内酯，甜橙油，乳酸，鸢尾花根萃取，氢氧化钠，苦橙油，黄 6(CI 15985)，柠檬精油，芳樟醇

Furoin was synthesized from furol with VB1 as the catalyst,which was then reacted with acetyl chloride, lauroyl chloride ,benzoyl chloride,α-furoyl chloride and 3-α-furyl acryloyl chloride,respectively;corresponding monoester compounds of furoin were synthesized in THF in the presence of sodium hydroxide under reflux.

以糠醛为基础原料，经维生素B1催化合成糠偶姻，再由糠偶姻分别和乙酰氯、月桂酰氯、苯甲酰氯、α-呋喃甲酰氯和3-α-呋喃烯丙酰氯反应，在NaOH/无水THF体系中，于水浴回流条件下合成了相对应的糠偶姻单酯类化合物。

The details and results are summarized below:(1)An ABC style three component cascade reaction of aromatic aldehydes, aromatic amines and diethyl malonic ester or cyclohexanone has been developed.

论文从苯炔和亚胺出发，设计并系统研究了4种新的多组分串联反应，主要内容和结果如下：(1)发展了一种芳醛、芳胺和丙二酸二乙酯或环己酮的ABC型三组分串联反应。

Reactor Construction: Multitube reactor systems for chemical industry ( all technical heat transfer fluids,particularly mkoltensalt 50 years experience) for production of:phthalic anhydride,maleic anhydride,acrolein,methyl methacrylate,methanol,ethylene oxide and other endothermic and exothermic catalytic gasphase processes.

反应器制造部：列管反应器系统，用于化学工业(所有工业用热交换流体，特别是熔盐传热)中生产苯酐，顺酐，丙烯醛，丙烯酸，甲基丙烯酸甲酯，甲醇，环氧乙烷及其他放热与吸热气相催化生产工艺。

Reactor Construction: Multitube reactor systems for chemical industry ( all technical heat transfer fluids,particularly mkoltensalt 50 years experience) for production of:phthalic anhydride,maleic anhydride,acrolein,methyl methacrylate,methanol,ethylene oxide and other endothermic and exothermic catalytic

简介： 反应器制造部：列管反应器系统，用于化学工业（所有工业用热交换流体，特别是熔盐传热）中生产苯酐，顺酐，丙烯醛，丙烯酸，甲基丙烯酸甲酯，甲醇，环氧乙烷及其他放热与吸热气相催化生产工艺。

Toxic effects of 1,2,4-trichlorobenzene (1,2,4-TCB) on Scenedesmus obliquus were studied through investigating the growth, the content of protein and the content of chlorophyll.

以1，2，4-三氯苯(1，2，4-TCB)处理后斜生栅藻的生长状况、蛋白质含量、叶绿素含量、超氧化物歧化酶和过氧化物酶活性、丙二醛含量和培养液总有机碳含量的改变来检测1，2，4-TCB对斜生珊藻的毒性效应及其毒性作用机制。

Alidase was prepared by coupling silica-gel spheres already carrying γ-aminopropyltriethoxy-silane with glutaraldehyde, and then with N-(p-aminophenyl) oxamic acid.

将γ氦丙基三乙氧基硅烷取代的微球硅胶先后与戊二醛，对氨基苯草氨酸结合，制成了一种新的吸附剂，用于唾液酸酶的亲和提纯。

A range of oligoaryls having alternating para- or meta-benzene-furan rings is synthesized by rapid convergent/divergent method from the annlation of a propargylic dithioacetal and an aldehyde having a propargylic dithioacetal moiety as the substituent.

中文摘要结合分流法/汇集法，利用炔丙基硫缩酮单体和另一具有醛基的单体进行环化反应，可以迅速合成对位及间位取代苯环呋喃交错寡聚物。

Based on the pot experiments ,effects of Dibutyl phthalatepollution on contents of solubility carbohydrate ,MDA, blade pigment, protein, glutathione and amino acid of Vallisneria s piralisL were s tudied during a long p eriod of 25 days .

在本实验浓度范围内，苦草对邻苯二甲酸二丁酯有一定的适应能力，DBP污染对苦草丙二醛和可溶性糖含量以及叶片中叶绿素含量的影响比较相似都有一定的起伏。

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！