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The 731 oxidized paraffinum sodium salt and ZL were separately used as collector to pick out scheelite from high calciferous gangue and polymetallic scheelite,the laboratory experiment and industrial experiment were carried on.

分别用731氧化石蜡皂和ZL作白钨矿的捕收剂，选别含钙脉石矿物高的白钨矿和多金属白钨矿，小型试验和工业试验结果表明，用ZL获得的钨精矿品位和回收率均高于用731氧化石蜡皂，且ZL捕收剂用量少。

Objective:To determine the content of ginsenoside Re in Anti fatigue Capsulae by TLC scanning.

目的 ：采用薄层扫描法对抗疲劳胶囊中的总皂苷(以人参皂苷 Re为标准)进行含量测定。

The extraction of caudaside from Ornithogalum caudatum Ait by different methods was compared with caudaside yield as index.

为了确定提取虎眼万年青皂苷的最佳提取工艺，以虎眼万年青总皂苷得率为指标，比较了水煎煮、水超声、乙醇浸提和乙醇超声4种方法的提取效果。

The results indicated the best medium for supension co-culture with Daucus carota and Daucus carota is MS, 2, 4-D 2 mg/L, NAA 1 mg/L and KT 0.2 mg/L, after 25 d the polysaccharide content of co-culture reaches the highest level 0.203 mg/g, and the saponin content of co-culture is 1.85mg/g, higher 3.35% than saponin of Panax ginseng culture.

结果表明，人参与胡萝卜悬浮混合培养的最佳基质为MS、2，4-D2mg/L、NAA1mg/L、KT0.2mg/L，在培养25d时混合培养物的多糖含量达到最高，浓度达到0.203mg/g，混合培养物的皂苷含量为1.85mg/g，比人参悬浮培养物皂苷含量高出3.35%。

Results When cellulase and pectinase compound,amlyse and diastatic enzyme were added in order in the method of stepwise biocatalysis,98% diosgenin from plants was extracted.IR spectrum of the product was in accordance with that of reference substance and the purity of it is more than 95% according to its HPLC chromatogram.

结果利用阶梯生物催化法，当纤维素酶和果胶酶复合酶制剂、淀粉酶以及糖化酶按顺序依次加入时，能够将植物中98%的薯蓣皂苷元提取出来，其产品的红外谱图与对照品谱图相吻合，经HPLC谱测定薯蓣皂苷元质量分数95%以上。

In this review, the biosynthetic pathway of ginsenosides was introduced and the research progress on enzymes related to ginsenoside biosynthesis , such as 3-hydroxy-3-methyl-glutaryl-CoA reductase, geranyl pyrophosphate synthase, farnesyl pyrophosphate synthase, was summarized in detail.

本文综述了人参皂苷的生物合成途径，并介绍了3-羟基-3-甲基戊二酸CoA还原酶、牻牛儿基二磷酸合成酶、法尼基二磷酸合成酶等人参皂苷合成途径相关酶的研究进展。

gleditsia saponin may inducing SMMC-7721 cell apoptosis by reduce the expression level of bcl-2, thus increasing the sensitivity of tumor cells to chemotherapy drug.

皂角皂苷可能通过下调bcl-2水平进而诱导SMMC-7721细胞的凋亡，增加肿瘤细胞对化疗药物的敏感性。

Methods MTT assay for detection of single use of Adriamycin and combination of Adriamycin with gleditsia saponin on the Role of the SMMC-7721 cell survival rate; detection of mRNA expression of bcl-2 by PCR method; detection of protein expression of bcl-2 by Western blotting method.

MTT法检测单独应用阿霉素或阿霉素与皂角皂苷联合作用的SMMC-7721细胞的生存率；RT-PCR检测bcl-2 mRNA表达；Western blotting检测bcl-2蛋白的表达。

There are some chemical constituents with strong anti-HIV activity in the stings of Gleditsia sinensis Lam.,this research res...

结论皂角刺中含有强烈抗HIV活性成分，这对抗HIV新药开发和皂角刺新的药用功效开发有重要实用价值。

The hematolysis rate and biologic immunocompetence of PNS-5 were detected with hemolysis test and experiment of splenocyte proliferation respectively.

皂苷在高等动物的消化道中不被吸收，故口服无溶血毒性，但其注射剂应用于临床有很小的溶血性，故研究皂苷的溶血性对临床用药安全性评价有很大的作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。