溶剂

The effects of solvent,pH value of solution and distilling temperature on yield of pure glycerol are also discussed.

研究了生物柴油制备工艺条件的确定及其副产品粗甘油的分离与精制，对甘油精制中溶剂的选择、溶液的pH值和蒸馏温度对甘油得率的影响进行了研究。

DMI can be freely soluble in water, also soluble in ester, ethanol and other polylols.

。除了良好的溶剂功能之外，DMI还特用于增加化妆品活性成分在皮肤表层的传递。

The selectivity of the catalyst is 88%, the activity of the recycled catalyst and selectivity to DOB remained constant after 10 runs of recycle.

选用甲苯为溶剂，25%氢氧化钠水溶液为反应体系，并添加助剂进行加氢反应，DHB的收率可达88%。

In the reaction, by using Michael addition with alkali as protective, utilizing a-alanines N of chiral carbon to introduce N+ lof chiral carbon of the new compound, and making use of the different solubility of resultant in the solvent, disparting form dominical compound.

并利用新生成的手性化合物在反应溶剂中的溶解度差别，分出了以构型为主的产物，克服了脱保护基和拆分条件复杂繁琐问题。

An improved simple method for carbon-carbon double bond cleavage by silica-supported potassium permanganate was described and a possible mechanism was proposed.

在无有机溶剂做介质的条件下，用硅胶吸附的高锰酸钾氧化6种难溶于水的液态烯烃，得到了双键发生断裂的氧化产物。

The initial water concentration of the mixed solvent is an extremely important factor.Due to the complex double effects of water on the reaction, with the change of the initial water concentration,the catalytic activity shows complex changing trend.

混合溶剂的初始含水量是一个极为重要的因素，由于水对反应复杂的双重影响，催化剂的活性随初始含水量的变化呈现出复杂的变化趋势。

These growth units were absorbed and join the crystal lattice on the growth interface through collision and aggregation.The powders with better crystallinity and double cone or tetrahedron shape were obtained after amorphous ZnS was treated by solventthermal method.

采用溶剂热处理高浓度条件下制备的ZnS无定形粉末，得到晶态结构完整，形状为双锥状或四面体状的粉末。

You can douse it with concentrated acids or bases or bathe it in solvents.

您可以将它们放在溶剂里，通过集中的酸或集中的基地或集中的沐浴来扑灭它。

Reagents and so on temperature, organic solvent, potential of hydrogen, urea, amide may cause the DNA member to denaturate, even if hydrogen bond break between the DNA duplet bond's, the double helix structure unties.

温度、有机溶剂、酸碱度、尿素、酰胺等试剂都可以引起DNA分子变性，即使得DNA双键间的氢键断裂，双螺旋结构解开。

Curtain plate stainless steel plate, spray nozzle for the spray nozzle to capture, exhaust fan with explosion-proof fan.3, chamber body assembly plate connection between the use of bolts, installation, removal, fast and convenient.4, configuration, special explosion-proof spray room lighting, interior lighting sufficient light.5 mist treatment with water curtain, shower folding capture plus maze can efficiently remove the paint mist.6, circulation pump with an area of small, simple installation and pipeline pumps.7, Room δ1.5mm steel and steel body is made of.8, dust chamber body is made of EPS board, has entered out.9, water curtain spray booth technical parametersNo Item ParametersA flow rate (m3 / h) 90002 Power 43 pump power 34 open wind speed 0.6-0.75 Compressed air consumption (m3/min) 0.36 lamp illumination 400Z-7 nozzle8 Painting Room: Dimensions 2500 × 2400 × 26009 Dust Room: Dimensions 2500 × 1800 × 3400Note: Manual spray system uses 你好gh-quality brand-name products in Taiwan.6, leveling RoomLeveling effect of room to spray paint surface after the paint on the share level, and to a number of solvent evaporation in order to prevent baking too quickly appeared in the film pinhole.1, Room body is made of welded steel and steel plate.2, chamber body wall windows with transparent glass observation and maintenance of the door.3, chamber body with the top emission device, keeping indoor air fresh.4, room spray processing site in vivo, uniform color, elegant appearance.3, the consolidated statementa, baking oven is designed to bridge Road.

没有碰到水帘的漆雾由水帘下部进入喷漆室的后部，由喷嘴喷出的水雾冲洗、迷宫折板过滤及折板上的喷淋系统三次过滤后，废气经风机排至大气中，布局特点如次：一、设置双工位水帘喷漆室。二、槽体采用型钢及Q235钢板制作，板厚4mm。水帘板为不锈钢板，喷淋捕捉喷嘴为雾化喷嘴，抽风机采用防爆型风机。3、室体拼装板之间采用螺栓连接、安装、拆卸、迅速，便捷。四、配置喷漆室专用防爆照明，内部采光充足、明亮。5、漆雾处理采用水帘、喷淋捕捉加迷宫折板，可高效去除漆雾。6、轮回泵采用占地少、安装简略的管道泵。7、室体采用δ1.5mm钢板与型钢制作而成。八、防尘室体采用EPS板制成，设有出进门。9、水帘喷漆室技术参数序号项目参数1 处理风量（m3/h） 90002 功率 43 水泵功率 34 开口风速 0.6-0.75 压缩空气耗量（m3/min） 0.36 照明灯照度 4007 喷嘴 Z型8 喷漆室：外形尺寸 2500×2400×26009 防尘室：外形尺寸 2500×1800×3400注：手动喷漆系统采用台湾优质名牌产品。六、流平室流平室的作用是使喷漆后喷在工件表面上的漆铺平，并使溶剂挥发一些，以防止烘烤过快而在漆膜上浮现针孔。一、室体采用型钢与钢板焊制而成。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。