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- The distributing profiles of different phenol derivatives in two-dimensional chromatogram were discussed. 同时对不同类型的酚类化合物在二维气相色谱上的分布模式进行了讨论。
- My company's products mainly include Arene sulfonic acid, sulfonated phenol derivatives, custom pure-class chromatography (HPLC) and special additives, such as four series. 我公司的产品主要包括芳烃磺酸、磺化酚衍生物、定制级色谱纯(HPLC)和专用助剂等四大系列。
- Keywords sodium bisulfate;sodium nitrate;phenol derivative;nitration; 硫酸氢钠;硝酸钠;苯酚;硝化;
- Keywords crown ether;phenol derivative;copolycondensate;cation isolation; 冠醚;苯酚化合物;共缩聚物;阳离子分离;
- Synthesis of phenoxy carboxylic acid derivatives herbicide 苯氧乙酸类化合物的合成研究
- Any of several carcinogenic or teratogenic heterocyclic hydrocarbons that occur as impurities in petroleum - derived herbicides. 戴奥辛一种致癌或致畸杂环族碳氢化合物,在从石油提取的除锈剂中以不纯物出现
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物,如煤或石油
- phenol derivative 苯酚衍生物
- This herbicide degrades in moist soil. 这种除草剂在潮湿的土壤中分解。
- Paraquat is an effective and widely used herbicide. 百草枯是一种高效能除草剂。
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- The real rate of removing phenol is more than99.9%. 与常见的塔设备相比具有设备简单、作灵活,维护方便等特点。
- No single herbicide will control all weeds. 单独一种除草剂决不能防除所有的杂草。
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号,用以标明变量的第一个导数
- A white compound,C9H12N2O,used as a herbicide. 非草隆一种用作除草剂的白色化合物,
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- A white compound, C9H12N2O, used as a herbicide. 非草隆一种用作除草剂的白色化合物,C9H12N2O
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- Paraquat is used as a herbicide in agriculture. 摘要巴拉刈在农业上作为除草剂的用途。
- They spoke a derivative of the Malay language. 他们说一种从马来语派生的语言。