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.
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.
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.
合成碱绿色4的最佳条件包括：尿素和氯化锌作为催化剂，四氢呋喃和双色。
The optimal conditions for synthesis of alkali green 4 include the carbamide and zinc chloride as catalyst, chloranil and bichrome.
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.
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.
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.
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.
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.
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.
如果可能，请在至少一个周期内运行酸/碱比率测试以获得更准确的数字。
If possible, run your A/B test over at least one cycle to get more accurate numbers.
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.
黑巧克力中含有抗氧化的类黄碱素。
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.
碱的物质会中和酸。
木炭被滤过以提取碱液。
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.
人体研究也能确定是否辣椒碱能如传说的那样引起听觉损耗。
Human studies could also confirm whether the habanero, as legend has it, can cause hearing loss.
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.
到目前为止，丰田仍然对它的无钕电动发动-发电机保持碱默。
So far, Toyota has remained mum about its neodymium-free electric motor-generator.
其味极咸，碱湖保存了湖中的小生命，但其水域仍为涉水鸟所喜欢的地方。
The extremely salty, alkali lake holds little life, but its waters are a favorite spot for wading birds.
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