水醇的

Toxic effects of twelve pesticides（abamectin, endosulfan, diflubenzuron, danitol, tricyclazole, fluroxypyr, imazalil, tebuconazole, sulfapyridine, sulfamethoxazole, sulfamethazine and sulfadiazine）at low concentration（0.01mg·L-1） on the development of sea urchinembryos were investigated in this work, and the correlation between n-octanol/water partition coefficientand relative lethality rate was investigated.

为了研究低浓度下农药对海胆胚胎的毒性影响，以及正辛醇/水分配系数与致死率的关系，实验研究了12种常见农药（阿维菌素、硫丹、除虫脲、甲氰菊酯、三环唑、使它隆、抑霉唑、戊唑醇、磺胺吡啶、磺胺甲噁唑、磺胺二甲嘧啶和磺胺嘧啶）在低浓度（0.01mg.L-1）下对光棘球海胆胚胎发育的急性毒性影响。

Trehalose、adonitol、sucrose、lactose、maltodextrin、Na glutamate、glycerol、sorbitol were good cryoprotectants. The efects of cryoprotectants in different suspension medium was obvious various skim milk was a excellent cryoprotectants.

海藻糖、脱脂乳、侧金盏花醇、蔗糖、乳糖、麦芽糊精、谷氨酸钠、山梨醇等具有较好的冷冻保护效果，不同的悬浮介质内各冷冻保护剂的作用效果有很大差异，在水或培养液中保护作用表现明显，脱脂乳仍是一种良好的冷冻保护剂。

The research of aqueous vehicles should be focused on the syntheses of the water-solubility new or modified polymers such as polyacrylic acid, alkyd resin, polyurethane, polyvinyl alcohol, epoxy resin, etc as well as the suitable additives of dispersants, leveling agents, and antifoaming agents.

水性载体的研究重点在于合成新型或改性的水溶性聚丙烯酸、醇酸树脂、聚氨酯、聚乙烯醇、环氧树脂等以及与它们配套的水性分散剂、流平剂、消泡剂等助剂；其中改性聚丙烯酸将有可能在高温电子浆料中率先应用。

To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.

为了进一步发现沉香中具有生理活性的化学成分，本文对国产沉香的水溶性成分进行了研究，从中分离得到11个化合物，通过红外、紫外、质谱、核磁共振(1H-NMR， 13C-NMR， COSY， HSQC， HMBC， ROESY)波谱解析，分别鉴定为：2，3-二(3-羟基苯基)-丙-1-醇(1)，[(2R，3R)-3-(4-氨基-3，5-二甲氧苯基)-2-氧化烯基]甲醇(2)，8-氯-4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(3)，4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(4)，化合物3的差向异构体(5)，4'-甲氧基-5，6，7，8-四羟基-2-(3'-羟基-2-苯乙基)-5，6，7，8-四氢色原酮(6)，4'-甲氧基异沉香四醇(7)，6-羟基-2-(2-羟基-2-苯乙基)色原酮(8)，6-羟基-2-(2-苯乙基)色原酮(9)，6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。

The optimum conditions are: molar ratio of glycol to cyclohexanone is 1.6:1, the quantity of catalyst is equal to 0.25% of feed stocks, and the reaction time is 40 mm. H3PW12O40/MCM-48 is an excellent catalyst for synthesizing cyclohexanone ethylene ketal and its yield can reach over 80.63%.

实验表明：H3PW12O40/MCM-48是合成环己酮乙二醇缩酮的良好催化剂，在n：n＝1：1.6，催化剂用量为反应物料总质量的0.25%，环己烷为带水剂，反应时间40min的优化条件下，环己酮乙二醇缩酮的收率可达80.63%。

The results of this study are summarized below.1 A variety of additives such as proteins,glyoxal / glycerol,alcohols,metal salts,as well as ethylene monomer were used in this study and all of them could improve the leaching resistance of the three kinds of borate(boric acid,borax,disodium octaborate tetrahydrate) in different extents through variety forms.

本研究的结果归纳如下：(1)本研究中所使用的多种助剂如蛋白质、乙二醛/丙三醇、醇类化合物、金属盐以及乙烯单体等都能通过各种形式，不同程度的提高三种硼酸盐(硼酸、硼砂、四水合八硼酸二钠)的抗流失性，但效果均不是特别明显。

The Pd2-H2O-PEG system are impressive activating for a wide range of substrates.Therefore, palladium catalyzed reactions with PEG has been carried out.

而醋酸钯-水-聚乙二醇催化系统可广泛的活化反应物是颇让人印象深刻的，因此聚乙二醇可有效地促使钯的催化进行反应。

Two 0.5-ml volumes of an isobutanol internal standard (10 mg/ml water; pipette 12.4 ml of isobutanol and dilute to 1 liter with water) are pipetted into two different 2-dram (7.4-ml) shell vials, one market "known."

将两份0.5毫升的异丁醇内标物(浓度为10mg/ml水，其配制法为：用吸量管吸取12.4ml 异丁醇用水稀释至1L )，用吸量管分别吸入两个不同的2-打兰(7.4毫升)的壳型小瓶中，一个标为&已知&，另一个标为未

The PVA could help CNTs weltering the aquatic phase and enhance the stability of their dispersion. The PVA had bifunctional bridges, with hydrophilic groups jointed with the Fe2O3 film, and hydrophobic chains adhered to the surface of the carbon nanotubes, so the Fe2O3 were supported on the surface of the carbon nanotubes through the surfactant.

聚乙烯醇均匀吸附在碳纳米管表面，增强碳纳米管在水溶液中的分散，其疏水基团与碳纳米管以范德华力结合，其亲水基团与Fe2O3·nH2O结合，对碳纳米管有效负载Fe2O3起到了桥梁作用。

The bamboo liquid, which is called magic water and whose PH is 3-4, has a pleasant smell. It is a kind of bluish yellow or yellowish brown liquid which is formed while bamboos are burned and decomposed. It contains over 200 kinds of organic elements and 10 types of minerals. Its main elements are water, organic acid, phenol, ketone, alcohol.

竹酢液，日本称为魔法之水，呈酸性，PH值3-4，带天然熏香味，是竹材热解过程中得到的青黄色或黄棕色液体，其成分相当复杂含有200多种有机成分及数十种矿物质，其主要成分是水、有机酸、酚类、酮类、醇类等。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。