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- macro porous silica gel 大孔硅胶
- Desorption-ionization Mass Spectrometry with Porous Silica Gel and Its Derivatives as Matrix 硅胶及其衍生物作为基体的激光解吸离子化飞行时间质谱
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- On the other hand, porous silicon with silica gel can emit blue light afterirradiated by laser with given power density. 采用一定功率密度的激光处理覆盖有二氧化硅凝胶的多孔硅的方法,获得了在不影响其机械强度的前提下的多孔硅的蓝光发射。
- A reversed phase stationary phase of HPLC made by covering a porous copolymer of ethyl-styrene with divinylbenzene on the surface of silica gel is reported. 当代应用最广的HPLC固定相中,硅胶基质填料化学稳定性较低,并且由于残存硅羟基而表现所谓第二效应,特别使碱性化合物的峰形拖尾;
- The purity of isoquercitrin was isolated with a silica gel column. 酶反应产物用硅胶柱层析法提取,可以得到高纯度的异槲皮甙。
- The handpiece cable is made from silica gel tube,soft and durable. 换能器尾线采用进口材料硅胶管,柔软耐用。
- Using Corse porus silica gel as carrier, catalysts as Titania/silicon dioxide, porous glass, lateral-cut glass fibre and diagonal glass fibre are prepared with hydrolysis-sol method. 采用溶胶凝胶工艺分别制备出颗粒状负载型TiO_2/SiO_2催化剂和多孔玻璃催化剂,横纹、斜纹玻璃纤维催化剂。
- All seals of this machine use the thermostable silica gel (food grade). 该机所有密封件均采用耐高温硅胶件(食品级)。
- The samples were characterized by BET, elemental analysis and TG, showing that the organosilane moieties were grafted onto the surface of porous silica by covalent bond. 对所制备的样品进行了不同手段的表征,包括:BET、元素分析和热重分析。
- There is no possibility to form silica gel in the hard-ened waterglass. 硬化的水玻璃实际上是失水的高模数水玻璃,不可能有硅凝胶生成。
- The specimen was extracted by the macroreticular resin and silica gel column. 样品经大孔树脂柱、硅胶柱分离,然后用TLC进行鉴定合并。
- You may reactivate the silica gel by desorbing the water through heating. 硅胶吸附水份后可通过脱附方式除掉水份而再生。
- The natural silica, clay and feldspar was chosen as original materials.The porous silica ceramic was a very uniform macrostructure and few flaws by investigated its microstructure. 通过显微镜对其显微结构的观察,多孔陶瓷整体结构和孔径厚度非常均匀,具有连续开孔三维网状骨架结构,几乎没有很细的孔径存在。
- The alternative use of buffered silica gel resulted in modest hydrolysis (~5-10%) of the imine. 选用温和的水解导致缓冲硅胶(~5-10%25)的亚胺.
- METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used. 方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
- ACTIVATION AND SILANIZATION OF POROUS SILICA BEADS 多孔硅球的活化和硅烷化
- Most of the commercially available reversed phase packing materials utilize fully end-capped, high-purity silica gel. 大部分市面上之逆相充填材料利用完善之终结处理,高纯度之矽胶。
- The pastern mold adopts wearable and heat-resistant silica gel, The aluminium mold can come to 200. 胶模采用耐磨热硅胶;外铝模温度可达200。
- Sand should be added carefully, otherwise the silica gel layer will be destructed. 装石英砂时应慢慢加入,不可一次加入而造成柱层破坏。