这些分子结合在一起，在蛋白质中形成所谓的希夫碱。
The molecules combine, forming what is called a Schiff base within the protein.
狗舌草含有大量有毒且适应力强的生物碱：即使是用它的花制成的蜂蜜也含有稀释后的毒素。
Ragwort contains a battery of toxic and resilient alkaloids: even honey made from its flowers contains the poison in dilute form.
这是用于建造房屋、家具、船只、钾碱、染料和海军用品的原材料。
Here was the raw material of houses and furniture, ships and potash, dyes and naval stores.
咖啡还含有葫芦巴碱，这是一种抗菌的化合物，它不仅提供良好的香气，而且可能是预防龋齿的一个因素。
Coffee also contains trigonelline, an antibacterial compound that not only gives it a wonderful aroma but may be a factor in preventing dental caries.
这是因为碱液会造成化学灼伤，在制造过程中甚至会使人失明。
That's because lye brought chemical burns or even made people blind in the making process.
维生素E和山莨菪碱有部分保护作用。
Vitamin E and Anisodamine have some alleviatory effect on above changes.
士的宁用于杀灭啮齿动物，而吡咯里西啶类生物碱则具有较强的杀菌活性。
Strychnine is used to kill rodents and pyrrolizidine alkaloids have significant activity against microbes.
雪莲化学成分为：生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
它旨在通过探索溴甲酚绿方法来确定总苦参碱浓度。
It aims to determine total matrine concentration by exploring bromocresol green method.
在这些代谢产物中，一种活跃的拟交感神经药是去甲黄麻碱。
Among these metabolites, the active sympathomimetic is norephedrine.
有时用丁溴东莨菪碱来方便直肠检查。
Buscopan is sometimes used to facilitate rectal examination.
从长春花新鲜叶子中提取脱水长春碱。
Anhydrovinblastine was extracted from Catharanthus roseus fresh leaves.
从长春花新鲜叶子中提取脱水长春碱有不同的方法。
Anhydrovinblastine was extracted from catharanthus roseus fresh leaves in different ways.
后者是挑战诊断测试的基础，通常使用西萝芙木碱或普鲁卡因酰胺。
The latter is the basis of a challenge diagnostic test usually using ajmaline or procainamide.
纳特龙湖是大裂谷中最大的碱湖之一。
Lake Natron is one of the largest soda lakes in the Rift valley.
用水冲洗掉杂质和多余的碱液。
Wash the remainder with water to remove impurities and surplus lye.
碱液也叫做氢氧化钠或者氢氧化钾。
Lye — spelled l-y-e — is also called sodium hydroxide or potassium hydroxide.
也就是说，酸和碱是两种完全相反的化学物质。
The point is that the two types of chemicals are polar opposites.
很可能氪和氩也可以做路易斯碱，但显然它们不能和氟化氢竞争。
It is possible that Kr and Ar could also act as Lewis bases, but evidently they cannot compete with HF.
现在红碱淖占地4600公顷，每年水位下降20厘米。
It now covers 4, 600 hectares and its water level is declining by 20 centimetres annually.
对于局部性病变，采用长春碱注射疗法已获得了一些成功。
For local lesions, injection therapy with vinblastine has been used with some success.
世界上碱性最强的环境是碱湖，其pH值可高达12，和氨水相当。
The most alkaline environments in the world are soda lakes, which can have a pH as high as 12, akin to ammonia.
辣椒所含的辣椒碱能刺激味觉、增加食欲、促进大脑血液循环。
Pepper contains capsaicin can stimulate the taste, increased appetite, and promote brain blood circulation.
不过，氙是足够好的路易斯碱，能与Au2 +配合，形成一系列配合物。
Xenon is a sufficiently good Lewis base, however, to coordinate with Au2 + to form a variety of coordination complexes.
这种处理方法叫做碱解法，而且16年前就已经在这个国家用来处理动物的尸体。
The process is called alkaline hydrolysis and was developed in this country 16 years ago to get rid of animal carcasses.
木乃伊能够通过极端寒冷，日晒，烟熏，或者使用化学物质如泡碱来变干。
Mummies can be dried out by extreme cold, by the sun, by smoke, or using chemicals such as natron.
虽然果肉本身不含毒素，但其茎和叶却饱含一种叫做配糖生物碱的化学物质。
Though the fruit itself doesn't contain poison, the stem as well as the leaves contain a chemical known as glycoalkaloid.
但保持这个地下室阴暗是非常重要的，因为光会导致马铃薯产生一种茄碱的毒素。
It is important that this underground room be kept dark. Light can cause potatoes to develop a poison called solanine.
但保持这个地下室阴暗是非常重要的，因为光会导致马铃薯产生一种茄碱的毒素。
It is important that this underground room be kept dark. Light can cause potatoes to develop a poison called solanine.
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