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- Phytotoxicity: Compatibility: Not compatible with alkaline materials. 用于虫、螨并发时，省时省药。
- Methods: The influences of temperature, the length of time, the ultraviolet ray shines and alkaline materials on chloral hydrate in the mixture were researched with retitration method. 方法:采用回滴定的方法,分别对温度、存放时间、紫外线照射以及碱性物质对本品中水合氯醛的影响加以研究。
- Since concrete is an alkaline material subject to attack by acids, it should not be used for small-size sanitary sewers where hydrogen sulfide production can cause internal corrosion. 由于混凝土管是一种碱性材料易受酸的腐蚀，它不能应用在较小的污水管道上，由于产生的硫化氢会腐蚀管子内壁。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么？
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Becoming alkaline; slightly alkaline. 碱化的变成碱的; 弱碱性的
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集资料准备写一本新书。
- Environmentalists are keen on degradable materials. 环保分子特别喜爱能够自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- The alkaline solution may help to reduce acidity. 碱性溶液有助于降低酸度。
- All the raw materials are imported. 所有原料都是进口的。
- Lipase acts only in an alkaline solution. 脂肪酶仅在碱溶液中才起作用。
- Stockings made of one of these synthetic materials. 尼龙长袜用这些合成材料制成的长袜
