over two years, he tested 40 compounds. they turned out to be pharmacologically inert.

brewers might also be able to avert some of theproblems, dunkel said, by changing the ratio of compounds in their originalrecipes.

酿造商业可以通过改变配方中各成分的比例，来转移这个问题，杜科（Dunkel）说。

"we did find two or three microorganisms that produced some new chemical compounds, " cano says.

“我们找到了两到三种微生物，可以用他们制作一些新的化合物”，卡诺说。

at present, the zinc compounds used for food fortification are zinc oxide and zinc sulfate, but their use has several disadvantages.

目前，用于食物强化的锌化合物是氧化锌和硫酸锌，但是它们的应用有几个缺点。

improved tensile strength and elongation of ethylene propylene diene monomer (epdm) compounds used for wire and cable.

提高电线电缆用三元乙丙橡胶（EPDM）材料的拉伸强度和伸长率。

most of the finishes used for "wash and wear" and "permanent press fabrics" are manufacture from urea, etc. compounds.

大多数“洗可穿”和“耐久熨烫”整理剂是由尿素等其他化合物制造的。6.Such compounds might be considered as a special type of antioxidant and classified as inhibitor regenerators.这些化合物是一种特殊类型的抗氧剂，一般称为抑制剂的再生剂。

the company has evaluated these compounds in vitro and in vivo and is currently seeking development partners for these programs.

该公司评估这些化合物在体外和体内和目前正在为这些项目的发展伙伴。

you see, living plants trap energy of the sun by the process like photosynthesis, and they store the energy in their chemical compounds.

你知道，活着的植物通过例如光合作用这样过程来收集阳光。接着，它们把这些能源储存在化学混合物中。

what's more, one of the six compounds, netilmicin, showed a strong preference for tar.

更重要的是，六种化合物分子中的奈替米星表现出了一种对TAR分子的高度选择性。

the tribological properties of these compounds were evaluated with the help of a four-ball test machine.

用四球试验机评价了两种化合物在水中的摩擦学性能。

when we used this technique with different neuroleptic drugs, we were able to compare the relative effectiveness of the various compounds.

当我们把这一方法用于不同的神经松驰剂时，我们便能够比较各种化合物的相对效力。

they found that concentrations of certain molecular compounds were higher at the surface of the glass than in the liquid itself.

他们发现，某些分子化合物的浓度在酒杯上面要比液体香槟本身含量高。

the reactions are also used to produce compounds used in fungicides, sunscreen and organic light-emitting diodes.

该反应也可以用于制造杀菌剂、防晒霜和有机发光二极管。

as an aid to comprehension, this book also presents the roots from which many of these descriptive terms and compounds are derived.

为帮助理解，本书也提出从那大多数这些描写条件和化合物被得到的根。

although the usual bonding theories can be extended to accommodate these compounds, they still provide stimulating problems to be resolved.

尽管通常的价键理论可加以扩展以适用于这些化合物，但仍然有许多棘手的问题有待解决。

dmf is known as "universal solvent" in industries for its high solubility to a variety of organic and inorganic compounds.

DMF对多种有机和无机化合物都具有很强的溶解能力，工业上常被誉为“万能溶剂”。

the volatile compounds responsible have been referred to as essential oils.

与香气有关的挥发性化合物一直被称为香精油。

these elements form such a variety of different compounds that their characteristics are not easily generalized.

第五副族均为金属元素，它们形成的化合物极为庞杂，其性质难以简单归纳。

these bioactive compounds have wide application value in food industry, medicinal industry, feed industry and any other regions.

这些物质普遍存在于昆虫体内或昆虫的一些分泌物中，具有广泛的潜在应用价值。

after phenol to induce the bacteria and was not induced by the bacteria to other aromatic compounds degradation as a comparison.

以经过苯酚诱导后的细菌与未被诱导过的细菌对其他芳香烃化合物的降解情况作为对比。

dr. freedman said the next step is to learn more about the various compounds in coffee and how they may be related to improved health.

弗里德曼博士说，下一步需要研究的是咖啡中所含的各种化合物，以及分析它们和改善人们健康之间的关系。