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There were still many unknowns in methanol extracts of yams and bulbils and need to be elucidated in the future.

二者间呈线性相关，线性方程式为Y=0.4499X+2.3785，相关系(r2)为0.8630，显示酚类化合物可能为提供山药零余子清除DPPH自由基能力的重要成分之ㄧ。

Man's whole life and environment have been laid open and elucidated; scarcely a fragment or fibre of his Soul, Body, and Possessions, but has been probed, dissected, distilled, desiccated, and scientifically decomposed: our spiritual Faculties, of which it appears there are not a few, have their Stewarts, Cousins, Royer Collards: every cellular, vascular, muscular Tissue glories in its Lawrences, Majendies, Bichats.

人的整个生命和环境已经奠定公开和澄清，几乎没有一个片段或光纤他的灵魂，身体和财产，但已被探讨，剖析，蒸馏，脱水，科学分解：我们的精神院系，其中似乎有不是少数人，有他们斯图尔特，卡曾斯，罗耶科拉兹：每一个细胞，血管，肌肉组织在其劳伦斯斯，Majendies，Bichats辉煌。

Advances of researches on resources of rural varieties, fine colones resources, selection of breeding,breed seedling introduction, plant disesses and insect pests of Sampium sebiferum are elucidated in this paper which provides scientific veferences for the development of biodiesel industry.

就乌桕的农家品种资源，优良无性系资源，良种选育，育苗，引种以及病虫害前期研究进展作了阐述，为发展乌桕生物柴油产业提供参考。

Their chemical structures were elucidated on the basis of physicochemical properties and spectral dataIR,FAB-MS,~(1H-NMR,and ~(13)C-NMR.Result: Six compounds were isolated and identified as: aurantiamide acetate(1),cyclo(2),N-p-coumaroyltyramine(3), N-trans-feruloyltyramine(4),N-cis-feruloyltyramine(5),and nicotinic acid(6),respectively.

结果：分离鉴定了6个生物碱，分别为aurantiamide acetate(1)、环二肽(2)、香豆酰基酪胺(3)、N-反式阿魏酰基酪胺(4)、N-顺式阿魏酰基酪胺(5)、烟酸(6)。

Antibacterial effect evaluation of natural food preservative -R-Polysaccharide;2. It is elucidated that natural and review products are the two main tendency of the future preservative development.

本文对国内常用食品防腐剂的生产、使用及对人体健康的影响进行综述，阐述了我国食品防腐剂的主要发展趋势为天然化和复合化。

Objective: Cyclooxygenase-2 (COX-2) and peroxisome proliferators-activated receptor-gamma play very important roles in occurrence, progression and prognosis of tumor. But the definite effects and mechanisms of specific COX-2 inhabitor and PPARγagonist on the prevention and cure of pancreatic cancer have not been fully elucidated.

目的：近年来研究表明，环氧化酶-2(cyclooxygenase-2， COX-2)和过氧化物酶体增殖因子活化受体γ在肿瘤发生、发展中起十分重要的作用，但特异性COX-2抑制剂和PPARγ激动剂对胰腺癌的防治作用及其机制尚未十分明了。

A new alkaloid named Mequinine (1) was isolated from Meconopsis quintuplinervia Regel,its structure was elucidated as 1,2, 8,10, 11-pentamethoxy-3-hydroxy-12-hydroxymethylberberine by spectroscopic means.

从藏药五脉绿绒蒿中分离出—微量生物碱成分，通过光谱方法并与同类化合物比较，鉴定为1，2，8，10，11-五甲氧基，3-羟基-12-羟甲基原小檗碱，命名为脉奎宁。

However, the host cell proteins and mechanisms responsible for intracellular transport of VP40 prior to its contribution to virion formation remain to be elucidated.

然而，宿主细胞与病毒蛋白VP40的作用，以及VP40在病毒胞内运输与病毒颗粒形成过程中的作用还不清楚。

These elucidated that the catechins products from steaming leaf, had many advantages in yield, purify and activity than those of tea polyphones from green tea.

从&蒸青叶&中分离制备儿茶素类的产率、纯度与活性均优於从成品绿茶中制备的茶多酚。

Theory and calculation formulae of the turbine efficiency measuring method based on pump shaft power measuring are elucidated.

笔者首先采用热力学方法，从给水泵端着手，用测量给水泵轴功率的方法来测量给水泵汽轮机的效率，对该测量方法的原理和计算公式进行了阐述。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。