For these reasons, the benefits to the caterpillars of ingesting phenols appear to outweigh the costs.
出于这些原因,对毛毛虫来说,摄入苯酚的好处似乎比代价多。
In studying these outbreaks, scientists have discovered that affected trees fight back by releasing toxic chemicals, mainly phenols, into their foliage.
在研究这些疾病爆发的过程中,科学家们发现受影响的树木会向树叶中释放以酚类物质为主的有毒化学物质进行反击。
They found that on tannin-rich oak leaves, the virus is considerably less effective at killing caterpillars than when it is on aspen leaves, which are lower in phenols.
他们发现,在富含单宁酸的橡树叶上,病毒杀死毛虫的效果要比在白杨树叶子上的效果差得多,因为白杨树叶子的酚含量较低。
Olive oil contains phenols, which have been shown to fight clotting in lab tests, but few studies of their effects have been performed in humans, the researchers note.
橄榄油含有酚类物质,实验室实验表明这类物质可对抗血栓形成,但这一作用的人体研究几乎没有。研究人员指出。
Objective: To select efficient strains of degradation phenols.
目的:选育高效降解苯酚的菌株。
The major components of acidic fraction are phenols and organic acids.
酸性组分主要由酚类化合物和有机羧酸组成。
Peroxidation of alkyl aromatics is the key step to synthesis of phenols.
烷基芳烃过氧化反应是酚类合成反应的关键步骤。
Substratesinclude phenols, carbonyl compounds, alcohols, and amines, etc.
涉及的底物有酚、羰基化合物、醇和胺等。
The Michael addition of REM resin with amines and phenols is investigated.
利用所合成的REM树脂进行了与胺、酚的加成反应动力学研究。
The influence factors were studied on the degradation of phenols wastewater.
考察了含酚废水降解过程的影响因素。
Nitrosophenols are formed very easily by the action of nitrous acid on phenols.
以亚硝酸作用于酚,很易制得亚硝基酚。
It has a lot of ingredients including phenols, organic acid, alkaloid, saponin, tannic etc.
含有酚类、有机酸、生物碱、皂甙、鞣质等多种成分。
Halogenated, sulphonated, nitrated or nitro-sated derivatives of phenols or phenolalco-hols.
酚及酚醇的卤化、磺化、硝化或亚硝化衍生物。
The method is simple in operation and can detect the phenols in water rapidly and accurately.
该方法操作简单,能快速、准确地检测水中的酚类化合物。
The mechanism of aerobic biodegradation of substituted phenols is also investigated by the model.
采用该模型探讨了取代酚的好氧生物降解机理。
These beverages contain compounds called phenols that make it harder for your body to absorb iron.
另外一个原因是饮料里所含有一种叫做酚的化合物可以阻止身体对铁的吸收。
A novel extraction apparatus was described and used to extract volatile phenols from water samples.
本文介绍一种新型萃取装置,由磁力搅拌器、三角烧瓶和经改造的活塞组成。
Content of omni-phenols extract from dry ginger was determined by UV spectrophotometry in this paper.
本文采用紫外分光光度法对干姜浸膏中总酚进行了含量测定。
Based on the above issues, this paper studied the process and mechanism of biodegradation of mixed phenols.
基于以上问题,本文研究了微生物降解混合酚类的过程及机理。
Objective To explore the optimal techniques in separation of phenols from Melastoma dodecandrum with macroporous resins.
目的筛选大孔树脂分离纯化地菍中总酚类物质的最佳工艺。
The result indicated that phenol did polymerize. And different phenols had different procedure and speed of polymerization.
结果表明,单酚在酶促下确实会发生聚合,且不同的单酚表现出不同的聚合过程及不同的聚合速度。
In this paper, the synthesis of several azo compounds from diazotized 5 - aminobenzimidazolone and several phenols are studied.
报道了几种由5-氨基苯并咪唑酮为原料与酚偶联形成的偶氮化合物的合成。
It is a kind of correct as well as rapid way to determine the total phenols content in tobacco leaves by means of Folin method.
用福林法测定烟叶中总酚的含量是一种既正确又快速的方法。
Specifically, the researchers found evidence that the phenols in olive oil are not the only compounds that reduced oxidative damage.
特别一提的是,研究人员发现酚类物质并非是橄榄油中能够降低氧化损伤的唯一成分。
Lignocellulosic materials can be converted into hydrocarbons, alcohols, phenols, carboxyl acids and inorganic compounds by liquefaction.
用热化学方法,可以将木质纤维原料液化成为烃、醇、酚、羧酸等多种有机物以及一些无机物。
The content of simple phenols and hydrolyzable tannins were very low and their variations were not significant during autumn and winter.
试材枝内简单酚类物质和可溶性单宁含量极低,且在秋冬季节无显著变化。
Results:The main ingredients with reproductive toxicity are alkaloids, glycosides, toxoprotein, animal toxins, phenols, heavy metals etc.
结果:具有生殖毒性中药的毒性成分主要为生物碱、苷类、毒蛋白、动物毒素、酚类和重金属等。
The experiment showed that in 4 kinds of phenols, phenol and o-cresol can be degraded by anaerobic microbe, while p-cresol and pentachlorophenol can't.
试验表明,4种酚类物质中,苯酚和邻甲酚可被厌氧微生物降解,而对甲酚和五氯酚不能被厌氧微生物降解。
The contents of amino acids, tea poly-phenols and flavones in Momordica Grosvenori leaf were determined by the chemical qualitative method, UV and HPLC.
采用化学方法定性、UV及HPLC法测定罗汉果叶中氨基酸、茶多酚、黄酮含量。
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