氯酚

This research uses the triethyl phenmethyl ammonium chloride to make the catalyst, take double phenol A, the epichlorohydrine, the sodium hydroxide as raw material, to affected factors and so on effect allocated proportion, temperature, reaction time to conduct the full research.

本研究采用三乙基苄基氯化铵作催化剂，以双酚A、环氧氯丙烷、氢氧化钠为原料，对影响效果的配比、温度、反应时间等因素进行了充分的研究。

The title compounds were prepared using chlororesorcinol and trimellitic anhydride as the starting materials in seven steps, with fine overall yields.

以氯代间苯二酚和苯三酸酐为起始原料经7步反应得到了目标化合物，产率良好。

One-step synthesis of the high molecular weight bromated epoxy resins for flame retardants is studied with tetrabromobisphenol A and epichlorohydrin as raw materials in mixed solvent comprising 1,4-dioxan and water.

研究以四溴双酚A和环氧氯丙烷为原料在二氧六环和水混合溶剂中一步法合成了高分子量溴化环氧树脂阻燃剂。

Extracted DNA by CTAB, in proportion to the additions of PVP and β-mercap toethanol to the extraction buffer were capable of preventing browning from taking place in the extraction, Tris-Phenol (Stabilized with 0.1M Tris, pH 8.0)/Chloroform/isoamyl alcohol were used to remove protein and impurity in the second extraction, during crude DNA used to Isopropanol DNA and deterged by DNA detergent, without using RNase remove RNA, we detected the quality and concentration of DNA respectively for normal leaves and drought stress leaves by Agarose gel electrophoresis of genomic DNA and ultraviolet spectrometry photo.

用20%聚乙二醇(polyethylene glycol，PEG6000)模拟干旱，采取CTAB提取缓冲液，按一定比例加入PVP和β-巯基乙醇，用Tris平衡酚－氯仿－异戊醇除去蛋白质及杂质，在粗提时用异丙醇沉淀DNA，并用DNA洗液（10mmol/L醋酸铵，75%乙醇）洗涤DNA，在纯化时用乙醇沉淀DNA，且没有加入RNase去除RNA的方法，分别提取2个品种正常和干旱胁迫的苹果属叶片总DNA，并对提取的DNA进行琼脂糖凝胶电泳和紫外分光光度计检测。

Result After Sumianxin was been fast to inject induced anesthesia by 0.05 ml/kg, ketamines by 20 mg/kg and propofol by 10 mg/kg was joined to 5% glucose solution 200 ml that was mainlined to maintenance anaesthesia. It might produce above 3 h ideal anaesthesia effect.

结果］以0.05ml/kg速眠新肌肉注射诱导麻醉后，再以20mg/kg异丙酚＋10mg/kg氯胺酮加入到5%葡萄糖溶液200ml进行静脉滴注维持麻醉，可以产生3h以上的理想麻醉效果。

DPPH method, pyrogallol method and Fenton reaction were used to study the scavenging ability of extracts with 95% ethanol, ethyl acetate, acetone, acetic acid, chloroform, methanol to free radical activity.

方法］应用DPPH法、邻苯三酚自氧化法和Fenton反应分别研究了浓度95%乙醇、乙酸乙酯、丙酮、乙酸、氯仿、甲醇提取物清除自由基活性的能力。

With 4 Xiu Shuang phenol - A and solid smooth air is raw material, dissolve it in 1 in, 2- 2 chlorine ethane solvents, slow drop adds 3 Yi Ans to carry out solution get together , with 3 Xiu benzene phenol does end dose, thick product sinks by industrial alcohol Xi after, take out to strain , wash is dry , grind white powder form flame retardant assemble carbon sour ester product.

以四溴双酚-A、固体光气为原料，将之溶解在1，2-二氯乙烷溶剂中，缓慢滴加三乙胺进行溶液聚合，以三溴苯酚做封端剂，粗产品经工业酒精沉析后，抽滤，洗涤，干燥，研磨得白色粉末状阻燃聚碳酸酯产品。

These substituents are either small groups such as phenoxy groups,aryls,cyclic secondary amines,cyano groups,and halogens or large functional moieties such as PDI,Phthalocyanines, porphyrins,BODIPY,cyclodextrin,Fullerene,calixarene,and so on.

这在过去的工作中，人们把一些小分子的，如酚氧基、仲胺基、苯基、氰基以及卤素氟、氯、引入到PDI中，同时也把一些较大功能团，如PDI本身、卟啉、酞菁、环糊精、BODIPY、杯芳烃、富勒烯等和PDI连接在一起。

Infertility may be treated with clomiphene citrate or gonadotropins to induce ovulation or with laparoscopy.

治疗措施减少雄激素的分泌，不育可以用氯菧酚胺促使排卵或用腹腔镜检查。

Objective To compare the anesthetic effect of ketamine, diazepam and propofol on dogs.

目的 比较氯胺酮、地西泮和丙泊酚复合麻醉在外科教学中对犬的麻醉效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。