植物化学

Our measurements show that significant amounts of the chemical can be detected in the atmosphere as plants respond to drought, unseasonable temperatures, or other stresses.

我们的测量结果显示植物在应对干旱、不正常的温度，或者其它压力时，可以在空气中探测到大量的该化学物质。

"Our measurements show that significant amounts of the chemical can be detected in the atmosphere as plants respond to drought, unseasonable temperatures, or other stresses."

他还说，我们的测量显示，当植物面对干旱、不合季节的气温或其他压力下，在大气中会有相当数量的这种化学物质。

Resveratrol(trans-3,4',5-trihydroxystilbene) is a phytochemical which was synthesized in various plant species such as grapes, Veratrum and Polygonum cuspidatum.

白藜芦醇，化学名称为3，5，4'-三羟基反苯二烯，是一种主要存在于葡萄、藜芦、虎杖等植物中的多酚类化合物。

Found in many plants , including watercress and for chemical signs of DNA damage, which may increase

首先，研究者根据筛选了受试者的血样中的抗氧化剂水平（许多植物中发现的营养素，包括豆瓣菜）可以增加癌症风险的DNA损伤的化学信号。

Because vegetation sourced photosensitizers are unstable, low concentration in plant and insignificant effect, we put our emphasis on a kind of chemical photosensitizers - xanthene.

由于植物源光敏化合物不稳定、含量低、效果差等一系列固有的缺陷，本论文着重研究了一类化学合成的光敏化合物——呫吨类化合物的光敏生物活性、光降解及开发利用。

In the presence of Ag 2O,the 1 bromobixadecane was converted to dotriacontane in high yeild by stirring with protection from light in DMF at 80 ℃ for 24 h.

正三十二烷可以从植物中分离［1］，曾被用作气相色谱的固定相［2］，也是豆类昆虫的引诱剂，在化学一上该物质还有其它应用。

Lots of new production technologies to enhance the competitive power of products have worked out in China's companies such as technologies for producing vitamin C manufactured via two-step zymosis; synthesizing chemically vitamin E with the domestically produced key intermediates linalool, isophytol and trimethylphenol; preparing vitamin B2 gained by genetically engineered bacterium fermentation, and commercialized production of vitamin H, etc.

我国企业研究出许多维生素生产新工艺，提高了产品的竞争力，开发的新工艺有两步发酵法生产维生素C，化学合成维生素E的关键中间体芳樟醇、异植物醇和三甲基苯酚等原料国产化，基因工程菌发酵生产维生素B2，维生素H的工业合成等。

Integrity Analysis and Assessment of the Chemical Constituents of Abrus Cantoniensis Materia Based on FTIR KONG Dexin,HUANG Rongshao,WANG Yibing,CHEN Zhicheng,HUANG Shushi1.Lab of Biophysics,Guangxi Academy of Sciences,Nanning 530003,China;2.College of Agronomy,Guangxi University,Nanning 530003,China;3.College of Physcis and Electronic Engineering,Guangxi Nrmal University,Gulin 541004,ChinaAbstract:ObjectiveTo investigate the spectral characteristic and the difference of constituents of different parts of Abrus cantoniensis.

鸡骨草Abrus cantoniensis Hance，又名广州相思子、细叶鸡骨草、小叶鸡骨草，为豆科相思子属植物［1］，原产广西、广东等南部省区，以广西的栽培面积最大，是广西的道地药材，其植株含相思子碱、皂苷、黄酮苷、胆碱、甾醇类、氨基酸、糖类化合物等化学成分［2］，药用部位为去除荚果后的干燥全草，具有清热解毒、疏肝止痛之功效，用于治疗黄疸、胁肋不舒、胃脘胀痛、急慢性肝炎等疾病［3］。

Aim To study the chemical constituents of Acrostichum aureurm.

目的对红树植物卤蕨的化学成分进行研究。

The researchers also tried to find a chemical pathway by which the plants could make methane aerobically.

研究人员也尝试着去寻找植物在有氧环境下制造甲烷的化学机制。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。