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- The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests. 成品经过薄层层析和旋光测定等鉴定确定为木糖。
- by- product silica gel 副产硅胶
- 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 crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- The Guangzhou good profit rubber Limited company mainly produces each kind of silica gel product. 广州良益橡胶有限公司主要生产各种手机按键和硅橡胶制品。
- Ti-modified silica gel monolithic adsorbent was prepared by impregnation-deposition method. 摘要采用浸渍沉积法制得钛改性硅胶块体吸附剂。
- Material: By imports the pure silica gel or the import medical high polymer composition material is made. 材料:由进口纯硅胶或进口医用高分子合成材料制成.
- Methods The compounds were isolated by silica gel column chromatography and identified by spec-tral analysis. 方法通过硅胶柱色谱法分离纯化化合物,谱学方法鉴定其结构。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离,得到无辣味的红色色素。
- 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。
- The acetates of sterols were further separated by TLC with silver nitrate impregnated silica gel G and HPLC. 甾醇部分经乙酰化后,由气相色谱法分析,并采用硝酸银硅胶制备薄层色谱法和高效液相色谱法进一步分离。
- The solidified alcohol has been prepared by using sodium stearate and silica gel as solidified agent. 以硬脂酸钠和硅胶作为固化剂制备固体酒精,通过实验得出了最佳工艺条件。
- Conclusion Chrysophanol and physcion could be effectively separated by silica gel column chromatography. 结论硅胶柱色谱可以实现大黄酚和大黄素甲醚的高效分离;
- It has been adopted the silica gel product, silicious clay, polyvinylpyrroidone, tannin, gelatin, casein, eggalbumen and bromelin for the stabilization of rice wine. 选用硅胶制品、硅藻土、聚乙烯吡咯烷酮、单宁、明胶、干酪素、蛋清、菠萝蛋白酶作为黄酒稳定剂。
- The crotonaldehyde were extracted from the silica gel by ultrasonic treatment with DNPH solution. 硅胶管采样,2,4-二硝基苯肼(DNPH)溶液在超声中洗脱,高效液相色谱分离,二极管阵列检测器检测。
- Our product also contains a patented device made of stainless steel and silica gel, which effectively eliminates the odor form the drainage system and urinal stains. 由于不用水冲洗,不仅节约了上水管道,也解决了污水排放管网的压力,在安装,使用,维护,修理等方面都具有冲水小便器不可比拟的性能。
- Zirconium is adsorbed and separated by high adsorption activity silica gel in simulated HLLW. 用自制高吸附活性硅胶吸附分离模拟高放废液中的锆,并对吸附机理进行了分析。