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The attracting activity of the extracts of withered black poplar leaves: Volatiles from withered leaves of black poplar, extracted by steam distillation and dichloromethane, strongly attract adults of Agrotis, ypsilon, Spodoptera exigua and Herculia glaucinalis in the field bioassay, but are less attractive to CBW.

黑杨萎蔫叶片粗提物的诱虫活性采用水蒸汽蒸馏和二氯甲烷萃取，提取黑杨萎蔫叶片的挥发性物质。

More than five alkaloids were found in the extracts of Sedum aizoon root, among which three types of hepatotoxic pyrrolizidine alkaloids proved to be senecionine, seneciphylline and integerrimine.

结果土三七根部总生物碱的提取率为0.105％，在土三七根部发现超过5种吡咯烷生物碱，其中有3种具有较强肝毒性的分别为：千里光宁、千里光非宁和全缘千里光碱。

Objective To explore inhibition effect in vitro of extracts of Juglans on Candida albicans.

目的 探讨胡桃楸提取物对白色念珠菌生长的抑制作用。

Objective: To study the effect of differe n t extracts of Alisma orientalis on urinary calcium oxalate stone formation i n rats and to identify the ef fective constituents.

中文摘要：目的：研究泽泻提取物不同组分对尿草酸钙结石形成的影响，并确定其抑制尿草酸钙结石形成的有效部位。

Spectrophotometer was used for detecting the contents of total terpenoid components in the extracts of Alisma and various parts of elution with different kinds of macroporous resin, compared with acetylalisol B.

以乙酰泽泻醇B为对照品，用分光光度计测定泽泻提取物及不同树脂洗脱部位的总萜醇类成分含量。

Alpinia officinarum solvent extracts had better repellent effect, and the average repellent rate were above 80%.

就驱避作用而言，高良姜的溶剂提取物对烟草甲成虫驱避作用较强，其平均驱避率达到了80％以上。

Alpinia zerumbet is a perennial plant of the ginger family in Taiwan. The present investigations have been conducted on the antibacterial effects of different essential oil extracts of Alpinia zerumbet.

中文摘要月桃为姜科植物之月桃属，系本野生常之多生大型草本植物，其根、茎、叶及花等皆可食。

The total extract and extracts by three solvent did not show any bioactivity against seed germination of Amaranthus retroflexus at a concentration of 12.5 mg/ml.

室内除草活性测定结果表明，总浸膏及各萃取段在浓度为12.5mg/ml时对反枝苋种子萌发、幼根和幼茎生长无明显抑制作用。

Amaranthus retroflexux L. and Trifolium repens L.. The result showed that three different extracts inhibited the germination rate of seeds and inhibited the growth of seeding and young root. The experiment showed that White clover existed obvious allelopathy and autotoxidity effect.

结果表明，地上部分水浸液、挥发物和根系分泌物显著抑制了反枝苋、苘麻和自身种子的发芽率，三部分提取物显著的抑制了苘麻、稗草和自身种子在萌发过程中芽长和根长的生长；试验表明白三叶草存在明显的化感作用且有一定的自毒作用。

After centrifugation, the extracts were separated on HILIC column by using acetonitrile-water as mobile phase. The analytes were identified and quantitated by LC-tandem MS under the positive/negative electrospray ionization and multiple reaction monitormode. The calibration curves showed good linearity in the range of 25-5000 μg/kg for melamine and cyanuric acid, and 50-10000 μg/kg for ammeline and ammelide. The limits of detection and limits of quantification were in the range of 5-20 μg/kg and 50-100 μg/kg, respectively.

牛奶样品直接用乙腈超声波提取；奶粉样品先用水溶解后再加乙腈超声波提取，高速离心后以乙腈－水为流动相，采用亲水作用色谱柱分离这4种化合物，在电喷雾正、负电离切换多反应监测模式下进行定性与定量分析，三聚氰酸一酰胺与三聚氰酸二酰胺含量在50~10000μg/kg之间、三聚氰胺与三聚氰酸在25~5000μg/kg之间，均获得良好的线性。

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。