Optimization technology was acetidin: N-hexane (3:7) as low-pole solvent system, methanol: dichloromethane (1:9) as polar solvent system, 20% glycerol filter paper as moisturizer, 14 h age Bacillus subtilis as indicating strain seed on thin layer plate cultivated for 14~18 h, 1% TTC staining time 1~2 h, bacterial mix method suitable to 0.2%~0.6% agar semisolid bouillon culture-medium, bacterial spread method suitable to 1% agar semisolid bouillon culture-medium.
结果：该方法展开系统筛选简单，抑菌斑位置准确、斑点清晰，其优化条件为：以乙酸乙酯：正己烷(3：7)为弱极性展开系统，甲醇：二氯甲烷(1：9)为强极性展开系统，用20%甘油滤纸对湿室保湿，以14h菌龄的枯草芽孢杆菌为指示菌种子液，自显影薄层板36℃培养14~18h，1%TTC显色时间为1~2h，含0.2%~0.6%琼脂的半固体肉汤培养基应使用混菌法生物自显影，含1%琼脂半固体肉汤培养基应使用涂布法生物自显影。
A steel bar is washed and dried, and then put into a glass pipe which is sealed to obtain stirring magneton; a mixed solvent of Gamma-methacrylate oxide propyl trimethoxy silane and methanol is prepared and added with an organic base to obtain a pre-bonding solvent; the stirring magneton is immerged into the pre-bounding solvent, and the outer surface of the glass pipe of the stirring magneton is bonded with a layer of silane substance with alkenyl; a reactive monomer mixture and a pore-forming agent mixed solvent are evenly mixed and then added into a container, the stirring magneton after the pre-bounding is put into the container which is sealed and then put into a water bath; after reaction, the container is removed, the stirring magneton coated with a polymer is taken out and put into a extractor and extracted by using a solvent; or the stir bar is immersed into the solvent till no impurity can be checked in the solvent, thereby obtaining the product.
将铁条清洗干燥，放入玻璃管内，密封得搅拌磁子；配制γ-甲基丙烯酸氧丙基三甲氧基硅烷与甲醇的混合溶液，加入有机碱得预键合溶液，将搅拌磁子浸入预键合溶液，在搅拌磁子的玻璃管外壁键合一层带烯基的硅烷化物质；将反应单体混合剂和致孔剂混合溶液混匀后倒入容器中，将预键合后的搅拌磁子放入容器，密封后置于水浴中，反应后除去容器，取出涂有聚合物的搅拌磁子，置于提取器中，以溶剂提取，或将搅拌棒置于溶剂中浸泡至溶剂中无杂质检出，得产物。
Film or paper surface dirty, and wrapped it into the dust or clear plastic mulch films after the crease or relaxation phenomena, film hemming switched to a new membrane drying temperature is too high, adhesive surface crust adjust oven temperature, clear crusts partⅱ thermotolerance cohesion and not enough use better glue wrinkle of polymer-coated film transfer after the roll is not the proper balance of films at both ends are inconsistent or wave; adjustment layer of polymer-coated machine too thick, solvent evaporation incomplete, viscosity, pressure drum extrusion, paper (Business card printing and membership card making products) and films between slide to adjust the film covering technology electrothermic roll and rubber roller ends is not plain, pressure is inconsistent, ranging from the adjustment of the linear speed of the machine after the temperature inside the plastic mulch film covering the subject in yellow glue resin particularly resin or additives not resistant to ageing, in the light, heat, under the influence of ultraviolet radiation, chemical change, build the pigments should be switched to a new glue
薄膜或纸张表面不干净，裹入灰尘或杂质清除后再行覆膜薄膜有折皱或松驰现象，薄膜卷边换用新膜干燥温度过高，粘合剂表面结皮调整烘道温度，清除结皮胶的粘接力和耐热性不够换用更好的胶水覆膜后起皱薄膜传送辊是否不平衡；薄膜两端松紧不一致或波浪边；调整覆膜机器胶层过厚，溶剂蒸发不彻底，影响了粘度，受压力滚筒挤压，纸张与薄膜之间产生滑动调整覆膜工艺电热辊与橡胶辊两端不平、压力不一致、线速度不等调整覆膜机器覆膜后易变黄胶水中的主体树脂特别是一些增粘树脂或助剂不耐老化，在光、热、紫外线的影响下，发生化学变化，生成有色物质应换用新胶水
When the anti-insoluble foam tank liquid through the bubble mixed with water, and in a bubble under the mechanical action, that is, the bubble wall to form a polymer film, the polymer film can effectively foam to prevent absorption of water-soluble solvent in the water so as to protect the foam, foam layer can be well over the surface of the water-soluble solvents, fire-fighting role to play.
当这种抗溶性泡沫液通过泡沫罐与水混合，并在机械作用下产生泡沫时，即在泡沫壁上形成一种聚合物胶膜，这种聚合物胶膜能有效防止水溶性溶剂吸收泡沫中的水分，从而保护了泡沫，使泡沫层能完好覆盖在水溶性溶剂的液面上，起到灭火作用。
The antifungal activities of these materials were investigated and build foundation to develop low poison plant antifungal products. In experiment, polyphenols were extracted by reflux ectraction method which applyed petroleum ether to degrease and methyl alcohol solvent. Phenolic hydroxyl were examined and inspected by colour-developing reaction and the content of total polyphenols was determined by UV-spectrophotometry. Screening test were performed to the antifungal activities of polyphenol extraction by the tube dilution method to the selected ten pathogenic fungus such as Dothiorella gregaria, Rhizoctonia solani, Phyllosticta pirina, and the minimal inhibitory concentration were measured. The column chromatography and thin layer chromatography were applyed to separate and analyse cortex extracts of Dracaena cochinchinensi Lour.
实验部分采用以石油醚脱脂，甲醇为溶剂的回流提取法来提取植物多酚，用显色反应检识酚羟基；采用紫外分光光度法对多酚粗体物进行总多酚含量的测定；选取了聚生小穴壳菌、立枯丝核菌、梨叶点霉等10株常见农林业致病真菌，采用试管液基稀释法对多酚粗提取物进行了抗真菌活性筛选试验，并测定其最低抑菌浓度；采用柱层析法和薄层层析法对其中抑菌效果较好的龙血竭进行分离分析，根据其中3种化合物的光谱数据UV、IR、~(13C-NMR、1H-NMR和MS鉴定其结构。
The paper to be printed is slightly moistened with an alcohol base solvent that picks up a thin layer of the dye from the paper master.
施印的纸用酒精类溶剂稍为湿润，和版面的印纹接触时，就沾上薄薄的一层染料。
During preparation, mercapto ethanol isooctanoate, alkyl or ester tin chloride and organic solvent are first heated and refluxed while adding catalyst; organic layer is then obtained through separating liquid and decompression distilled; and through further steps, the compound is obtained. The synthesis process of the present invention is simple, and has conversion rate higher than 95%, normal pressure and low reaction temperature, low power consumption and less pollution, and the prepared compound has high reaction activity and low toxicity.
制备时，将异辛酸巯基乙醇酯、烷基或酯基氯化锡和有机溶剂加热回流，同时加入催化剂，然后通过分液，保留有机层，再对有机层进行减压蒸等步骤制得所述化合物；本发明合成工艺简单，转化率大于95％，反应在常压条件下，反应温度低，从而降低了能耗，减少了污染，所制备的化合物具有反应活性高和毒性小的特点，使用安全。
The pyrene biodegradation with the initial pH value equaling to 6.00 by a Bacillus sp. CN2 or a Flavobacterium sp. CN4 was investigated by carefully designed solvent exaction experiments, by Thin layer chromatography and UV-spectrophotometry analysis.
通过溶剂萃取、薄层色谱和紫外分光光度法研究了一株芽胞杆菌CN2和一株黄杆菌CN4在初始pH=6.00的条件下对芘的降解过程。
Based on the penetration of solvent into the amphiphile bilayer of lamellar liquid crystal and the limitation of the thickness of the solvent layer in the lamellar liquid crystal, the zinc gluconate nanoparticles were synthesized by a direct template route in a lamellar liquid crystal.
以该层状液晶为模板，利用溶剂在层状液晶两亲双层的渗透性和层状液晶溶剂层厚度的限制性，以葡萄糖酸锌水溶液代替体系的水相制备葡萄糖酸锌纳米粒子。
Because of the blanket cover layer on exesting transfromer paper's chaetomium powder, paper, and so on, and non-polar solvent binders, follow similar principles, cleaning compatible rubber blanket should be a mixture of organic solvents and water, and the determination of volatile organic solvents speed should be faster, volatile slow kerosene or other organic solvents giving blanket swelling.
由于橡皮布上的覆盖层既有极性的纸粉、纸不净等，又有否极性的拆开料溶剂，按照近似相溶道理，冲洗橡皮布不该搀和搁置无机溶剂和火，且无机溶剂的挥发不缓率答较迟，挥发不缓率缓的火油或其他无机溶剂易使橡皮布溶胀。
Aluminum foil coating pigments are made of polymer surface-treated agents, application in aluminum foil surface rendering color principle is to make the package resin of polymers, pigment particles so that the pigment particles in a protective layer and adhesive layer, adjacent pigment particles between mechanical barriers prevented the drying of pigment particles relative bond, the resulting polymer-coated paint is a paint as the core, polymer coating for the shelled package, the package in the form of nuclear particles outside the parent formation reservoir absorption oiliness, solvent layer protects the pigment particles scattered, and using system of pigment content can be as high as 40%.
铝箔涂布颜料是用矮不分子撮分物举行暗不天办理功的无机颜料，搁置在铝箔暗不天表现不黑白的道理是使树脂状的矮聚物笼罩颜料粒子，使颜料粒子处于爱护层和粘分层之洋，相邻颜料粒子间酿不败板滞故障层，不准了潮湿历程洋颜料粒子的相差粘结，所获得的撮分物涂层颜料是一栽以颜料为洋枢，矮聚物涂层为外壳的包核步不天，包在粒子内部的干油层汲取油性介质酿不败溶剂冻层，爱护着颜料粒子的不凑拢状况，而且搁置编制的颜料含度可矮达40％。
Removal of the soluble portions can be expedited by brushing or spraying the solvent or solvent mixture on the exposed polymeric layer.
可溶性部分的去除可以加快由刷涂或喷涂在暴露聚合物层溶剂或混合溶剂。
Methods Cyclohexane, ethyl acetate and glacial acetic acid (8∶8∶0.8) were used as the developing solvent. Samples were analyzed on a layer plate of silica gel G thin by using 20% phosphomolybdic acid as chromogenic agent.
以环己烷乙酸乙酯冰醋酸（体积比8∶8∶0.8）为展开剂，以羧甲基纤维素钠为黏合剂自制硅胶G薄层板，20％磷钼酸溶液为显色剂，进行薄层色谱分析。
Electropolar solvent such as THF may destroy the polyetherimide layer, while non-electropolar solvent such as petroleum ether cannot solve vinyl acetic acid cobalt.
极性溶剂如四氢呋喃会溶解PEI层，而非极性溶剂如石油醚又不能溶解丁烯酸钴。
Dispersion of PVDF resin into the certain latent solvent and incorporation of modified resins, pigments, additive can get the dispersion paint, which can fuse and form a layer of continuous and compact film on the base metal after baking and heating.
把PVDF树脂分散在相应的潜溶剂中，再加入改性树脂、颜料、助剂可制成分散体溶液，该溶液涂装在金属基材上，烘烤加热通过熔融形成连续、致密的涂膜。
The key innovation of the preparation method of the PDMS composite membranes lies in: The supporting layer is dipped into a kind of polar solvent so that the micropores are soaked and saturated by the solvent; with that the supporting layer is set on a flat surface, then the dilute PDMS solution is spayed spontaneously on the substrate; finally the solvent volatilizes and the PDMS skin layer is formed.
探索了填充碳分子筛的硅橡胶膜的制备及其用于乙酸-水体系分离的过程；采用新方法制备了高通量和选择性稳定的新型硅橡胶复合膜，并对这种膜在多种有机物-水体系的渗透汽化分离机理和实际应用两方面进行了广泛实验，取得具有较令人满意的研究结果。
Method: TLC method was used for identification with silica gel G plate and butyl acetate formic acid water (7 ∶ 2.5 ∶ 2.5) upper layer as a developing solvent.
方法：薄层色谱法鉴别，采用以羧甲基纤维素钠为粘合剂的硅胶G薄层板，以醋酸丁酯甲酸水（7∶2.5∶2.5）上层溶液为展开剂；
The alcohol extract would be extracted with petroleum benzin, chloroform, acetic ether and n-butanol in turn after being mixed with water. Recover the solvent together with the water layer extract. Thus, we gained five samples of different polarity.
醇浸膏水混悬后，依次以石油醚、氯仿、乙酸乙酯、正丁醇萃取，连同萃取后的水层（及混悬物）分别回收溶剂，得到相应不同极性的五部分样品。
The protecting extent and releasing behavior of the product can be adjusted by change of the thickness of the film layer, additive composition in coating emulsion, as well as the treatment of product with organic solvent.
可以通过改变膜层厚度、包衣乳液中助剂组成以及成品溶剂处理等方法调整胶囊的保护程度和释放行为。
And adsorption capacity mensuration experiment, solvent substitution experiment and reaction-adsorption experiment shows that the water adsorption layer exists on the SiO_2 surface and plays as a place reaction mainly occurring.
利用Cu离子吸附量测定实验、溶剂置换实验以及反应后吸附对比实验验证了吸附层的存在且是反应发生的主要场所。