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Different concentration methanol-, acetone-, ether-, and chloroform extracts of Corallina pilulifera were used to study their growth inhibitory effects on red tide microalgae Heterosigma akashiwo.

研究了不同浓度的小珊瑚藻组织4种不同极性有机溶剂（甲醇、丙酮、乙醚、氯仿）提取物对赤潮异弯藻的生长抑制作用。

Results The effect of extracts of Bragica juncea Coss scavenging of hydroxyl radicals was studied.

结果测得样品中总黄酮的含量C=0.4450 mg/ml，回收率为100.7%，其纯度和产率均较高。

Results The effect of extracts of Bragica juncea Coss scavenging of hydroxyl radicals was studied.

结论该方法采用全物理过程，无任何污染，是提取芥菜中黄酮类物质的有效途径。

Metabolites, including 1 phenolic diterpene, 2 phenolic acids (rosmarinic acid and caffeic acid), 2 flavonoids (6-methoxyluteolin-7-glucoside and homoplantaginin) and 1 coumaric acid ( cis-4-glucosyloxycinnamic acid), were successfully identified from two rosemary extracts with chloroform-methanol ( v / v , 3/1) and 50% aqueous methanol on the basis of HPLC, UV, NMR and MS data.

基于高效液相色谱、紫外吸收、核磁共振波谱及质谱数据，具有代表性的6个迷迭香代谢物的结构得到了确定，它们分别为1个酚类二萜、2个酚酸、2个黄酮（6-甲氧基木樨草素-7-葡萄糖苷和高车前甙）和1个香豆酸(顺-4-香豆酸葡萄糖苷)。

This paper studies extracts and pure compounds from Crataegus pinnatifida and their protection and repair effects on oxidized low-density lipoprotein induced damages of Human Mammary Epithelial Cells.

对山楂中有效成分进行分离提取，并研究其保护人微血管内皮细胞抑制氧化低密度脂蛋白损伤和对损伤的修复作用。

ResultsThe compound of three kinds of herbal extracts could increase learning and memory ability of mice, increase the activities of SOD and GSH-PX and decrease level of MDA of brain tissues. ConclusionBlueberry, Cuscuta chinensis Lam.

结果蓝莓和菟丝子、益智仁的复合物使小鼠在Y-迷宫训练中达到学会标准的次数显著减少；显著提高脑组织中SOD和GSH-PX的活性，降低了MDA的含量。

Objective To investigate the effects of aqueous extracts of Cuscuta chinensis Lain on the differention of amelanotic melanocytes of outer root sheath from human hair follicles.

目的观察中药菟丝子水提取物诱导毛囊无色素黑素细胞（amelanotic melanocytes，AMMC）分化的作用。

Methods AMMC were incubated with different concentrations of aqueous extracts of Cuscuta chinensis Lain and 8-MOP, then activity of tyrosinase, melanin content and rate of proliferation of AMMC were tested respectively.

方法以8-甲氧补骨脂素（8-MOP）作为阳性对照，选择系列浓度的中药菟丝子水提取物和8-MOP作用于体外培养的AMMC，然后测定酪氨酸酶活性、黑素含量和细胞增殖率的变化。

The total ion chromatograms of cuticular extracts were different markedly and can be used to distinguish the two species insects.

两种害虫的提取物的总离子流色谱图具有明显差异，可以用于区别米象和玉米象。

The average content of cyanidin in the extracts of black rice was 41.8%. The average recovery of cyanidin-3-glucoside at 3 concn.

黑米提取物中矢车菊色素的平均含量为41.8%。3个浓度的矢车菊素－3-葡萄糖苷的平均回收率为104.5%。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。