One of ecological crises people were facing was land salt-alkalinization.

This lowers the water table and reduces soil alkalinization.

这可降低水位,减少土壤的碱份.

They dissolve readily in water, dilute acids , and alkalis but do not coagulate readily on heating.

组蛋白在水中很容易溶解,其水溶液呈弱酸性和碱性,加热时不立即凝结.

Away from high-temperature source and radioactive sources to avoid acids, alkalis, oils and sharp materials placed.

给挨近矮温、热源及不收射源,制止与酸 、 碱 、 油类和不团软精神等一路不领取.

He proposed a fresh theory of alkalis that later was accepted in chemical practices.

他提出了一种有关碱金属新理论,后来在化学实践中得到认可.

Most of the chemical solvent capability, such as: acids, alkalis, alcohol, the water vapor.

能耐大多数化学溶剂, 如: 酸 、 碱 、 酒精 、 水各蒸气.

Immersion service in acids, alkalis or solvents.

不能用于酸 、 碱和溶剂浸渍的环境下.

Resistant to acids, alkalis, oil, moisture and fungi.

抗酸碱, 耐油及防潮霉性能好.

Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.

弱碱 在水中部份电离,放出氢氧离子.

Aluminium and other metals are normally badly corroded by alkalis.

铝和其他金属通常会被碱严重腐蚀.

What's the scale that's used to compare the strength of acids and alkalis?

用何种标准来比较酸碱度？

The higher alkalization degree, the more disadvantageous crops seed and growth.

碱化度越高, 越不利于作物的出苗和生长.

A strong detoxifying formula that alkalizes, cleans and strengthens lymphatic tissues, specific at swollen lymph node.

这是强力的排毒配方,可碱化 、 清洁及增强淋巴组织, 特别针对淋巴结肿胀.

The alkalizing bagasse reacted with carbon disulfide to synthesize bagasse cellulose xanthate.

蔗渣纤维素经碱化后,与二硫化碳反应,得蔗渣纤维素黄原酸酯(CX).

Objective To study the alkaloid structures of stemona japonica Miq.

研究蔓生百部中微量生物碱的结构.

Caffeine, a purine alkaloid, is a key component of tea and coffee.

咖啡因是一种嘌呤生物碱, 存在于茶和咖啡中.

Objective : To compare the total alkaloid contents at different sites of Pinellia ternata from Nanchong Sichuan.

目的: 比较四川南充半夏不同部位总生物碱的含量.

Capsicine is a kind of natural plant alkaloid extracted and refined from chilies with special crafts.

辣椒碱是用先进的萃取精制工艺,从红辣椒中提取出来的一种天然植物碱.

Conclusion It has good prospect in development and application for isoquinoline alkaloid composition of Tongbangchui.

结论铜棒锤中含有异喹啉类生物碱,具有良好的开发应用前景.

Tryptanthrin is a kind of indole quinazoline alkaloid.

色胺酮属吲哚喹唑啉类生物碱.

Use : Used to analyse tin and vanadium, as an analytical reagent in determination of alkaloid and nitrite, etc.

用途:分析钒和锡.测定生物碱和亚硝酸盐等的试剂.