鹼
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.
用高效液相色谱法测定尿中尿碱含量。
The measurement of urine kynurenic is acid by high-performance liquid chromatography.
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.
众所周知,碱与酸反应生成盐。
As we all know, a base reacts with an acid to form a salt.
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.
它是箭毒碱,提取自一种南美产的植物。
It is a curare alkaloid derived from the South American plant.
氙也是较好的路易斯碱。
It is also a better Lewis base.
黑巧克力中含有抗氧化的类黄碱素。
Dark chocolate contains flavonoids, which are antioxidants.
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。
These alkaline substances will neutralize acids.
木炭被滤过以提取碱液。
Wood ashes are leached to extract lye.
太空猴们用碱液把自己的指纹全处理掉了。
The space monkeys are using lye to burn off their fingerprints.
太空猴们用碱液把自己的指纹全处理掉了。
The space monkeys are using lye to burn off their fingerprints.