硅胶

Then the utilization solvent parting method, low pressure silica gel separation method and so on column chromatograph, opposition silica gel, glucosan gelatin chromatograph, pocket resin, carries on the chemical composition to the effective spot the system separation; The chemical composition obtains which to the separation carries on the structure appraisal with four big spectra.

然后运用溶剂分离法、低压硅胶柱色谱、反相硅胶、葡聚糖凝胶色谱、大孔树脂等分离手段，对有效部位进行化学成分的系统分离；对分离得到的化学成分用四大光谱进行结构鉴定。

Then, the multidentate amine immobilized on silica gel was used as ligand for CuCl in ATRA of CCl_4 with MMA and methyl trichloroacetate with St repeatly. The conversion and purity of the product were determined through the gas chromatography and ~1H NMR respectively. Finally, the multidentate amine immobilized on silica gel was used as ligand for CuCl in ATRP of St initiated by TCPP and MMA initiated by MMTCB. The number average molecular weights of the polymers were determined through GPC.

此多齿胺改性硅胶配体被分别多次重复用于四氯化碳与甲基丙烯酸甲酯，三氯乙酸甲酯与苯乙烯的ATRA反应中，通过气相色谱测定了原料的转化率随时间的变化，且通过核磁~1H NMR测定了产物的纯度，我们还进一步将此种多齿胺改性硅胶配体用于TCPP引发St的ATRP和MMTCB引发MMA的ATRP反应中，通过GPC测定所得聚合物的分子量。

Through ethanol deposition, organic solvent extraction, then active carbon, 732 positive ion-exchange resin and silica gel columniation chromatography, cream nematocide substance have been obtained. Inspection the substance by TLC, UV-Visible Spectrophotometer have been deduced singleness component, and it's pure 97.38% by HPLC. The substance could use for structure analysis and character identify.

活性物通过无水乙醇沉淀，有机溶剂萃取，活性炭柱、732型阳离子交换树脂柱及硅胶柱层析后，经硅胶薄层层析、紫外－可见光检测和高效液相色谱检测，其纯度达97.38%，可用于物质进一步结构分析及性质测定。

Methods:(1) Silica column chromatography and LH-20 were used in phytochemistry study.(2) Based on the extraction ratio of arctiin, the best extraction procedure was acheived under the direction of L9(34) orthogonal experimental design. From 10 types of resins, the one with the maximal binding ability for Arctii was selected and silica-column choramatograpy was used in its seperation and purification procedure.(3) The animal diabetic experimental model in Wistar rats was established with streptozotocin and many biochemical factors were used to indicate the pharmacological effects of arctiin, including glycosylated hemoglobin, serum creatinine, seralbumin, monoxide nitrogen, glycerin trilaurate, cholesterol, HDL-ch, LDL-ch, Blood urea nitrogen, creatinine, SOD, ET, MDA, total Urine protein and albuminuria.

(1)采用硅胶柱层析、聚酰胺层析、LH-20等方法对牛蒡子的化学成分进行研究；(2)采用正交实验设计方法，以牛蒡子苷为指标，确定了牛蒡子乙醇回流提取的最佳工艺；对10种类型大孔吸附树脂进行筛选，筛选出对牛蒡子苷吸附效果最佳的树脂；采用硅胶柱层析法，对牛蒡子苷进一步分离纯化；(3)建立实验性糖尿病大鼠模型，以GLU、TC、TG、HDL-ch、LDL-ch、TB、ALB、BUN、CREA、GHbAlc、NO、SOD、ET、MDA和尿液中TB、ALB为指标，研究牛蒡子苷药理活性；(4)以差速消化法纯化Wistar大鼠的主动脉内皮细胞并进行传代培养，测定牛蒡子苷对高糖条件下RAECs活性、RAECs释放LDH、MDA和NO的变化以及RAECs表达内皮型一氧化氮合酶表达的影响。

The structures of the triterpene glycosides were elucidated based on spectral data, chemical reactions, and related references.

利用大孔树脂柱层析、正相硅胶柱层析、反相硅胶柱层析、Sephadex LH-20以及HPLC等层析手段，对一种辐肛参的皂苷类成分进行分离，应用波谱技术和化学方法，并结合文献对照，对所得的化合物进行结构鉴定。

The results of experiments showed that the dehumidifying performance of HMSMC excelled honeycomb monolithic silica gel, especially under high temperature and low humidity conditions.

结果表明：块体硅胶／分子筛复合物的除湿性能明显高于硅胶，尤其在较高温度和较低湿度条件下。

The company has more than 200 tons of fully automatic hot pressing machine 40, import precision CNC machining centers 5, 7 EDM machines, CNC milling machine 3 units, one Taiwan CNC precision grinder, drill press 2, Saw 2, silicone rubber mixing machine 5, silica gel cutting machine 4 sets, a full set of the computer screen, printing lines and supporting a full range of testing equipment and so on.

公司拥有200吨以上全自动热压成型机40台、进口精密数控加工中心5台，电火花机7台，数控铣床3台，数控精密磨床1台，钻床2台，锯床2台，硅胶炼胶机5台，硅胶裁料机4台，全套电脑丝印、移印流水线及配套齐全的检测试验仪器等。

Company specializing in the production of various types of desiccants: silica gel desiccant such as, clay Desiccant, activated carbon deodorant, desiccant molecular sieves, natural desiccant, mineral desiccant, color blue bead silica gel desiccant, medicinal desiccant, food with desiccant, container desiccant, desiccant Antirust mold, mildew-chip, rust-proof paper, anti-rust fluid, mold fluid, etc..

公司专业生产各类干燥剂：如硅胶干燥剂，粘土干燥剂，活性炭除臭剂，分子筛干燥剂，天然干燥剂，矿物干燥剂，变色蓝珠硅胶干燥剂，药用干燥剂，食品用干燥剂，集装箱干燥剂，防霉防锈干燥剂，防霉片，防锈纸，防锈液，防霉液等。

Companies operating in Switzerland, Germany imports Cutting, gravure roller, composite roller, glue roller, roller silicone rubber roller and other equipment, glass varnished cloth (anti-scald cloth), Japan imported high temperature tape, plastic sheets, silica gel board, the United Kingdom imports dyne pens, ink viscosity measuring cup, magnifying glass, stroboscopic instrument, Anilox cleaning agent.

公司经营瑞士、德国进口刮墨刀，凹印胶辊，复合辊，胶水辊，硅胶辊等各种设备胶辊，玻纤漆布，日本进口耐高温胶带、胶布，硅胶板，英国进口达因笔，油墨粘度测量杯，放大镜，频闪仪，网纹辊清洗剂。

According the known structure of MELs and the composition of broth, the separate and purify process of MELs was studied with silica-gel chromatography and the optimum conditions were: silica gel particle size 200 mesh, washing solution chloroform-acetone mixture (7: 3 for MEL-A, 6: 4 for MEL-B), washing rate 0.25ml/min, washing amount 400ml solvent/g MEL.

1根据已知生物表面活性剂MEL的结构特点和发酵液组成，在提取得到MEL粗制品的基础上，采用硅胶色谱分离技术，确定了MEL的最佳分离纯化条件：硅胶粒径200目，洗脱剂采用氯仿-丙酮混合溶剂，洗脱剂配比为7∶3、6∶4，洗脱速率为0.25ml/min，洗脱剂用量为400ml/gMEL。

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。