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- Potassium methoxide, 0.1 N Solution in Toluene/... 甲醇钾0.;1N溶液甲苯/甲醇混合溶剂;
- Activity of alkali methoxide catalysts (sodium methoxide and potassium methoxide) in carbonylation of methanol was studied.IR, GC and GC-MS were used to identify products and changes of the catalysts. 利用红外、气相色谱、色谱-质谱联用方法对甲醇羰基化反应过程中甲醇钾和甲醇钠催化剂的失活情况进行了研究。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- potassium methoxide 甲醇钾
- Potassium is necessary to the existence of all living things. 钾是所有生物生存必须的。
- The components of a potassium cycle vary greatly. 钾素循环的各个环节有很大的变化。
- Replacement of potassium hydride by sodium methoxide,replacement of hydrogen chloride by HCl-ethanol,and replacement of ether by toluene were in the improved procedure. 以甲醇钠代替氢化钾作为缩合剂;以盐酸乙醇代替氯化氢气体;以甲苯代替乙醚;对此工艺进行了改进。结果:得到较好的工艺条件;总收率达到47.;4%25。
- RECENT DEVELOPMENT OF POTASSIUM CARBONATE INDUSTRY. 碳酸钾工业发展近况。
- In this case, the ion is potassium. 这里的离子指的是钾离子。
- HIGHLY IONIZED POTASSIUM AND CALCIUM SPECTRA. 高度游离钾及钙之光谱(英文)
- Potassium One of the essential elements in plants. 钾:植物体的必需元素之一。
- What fruit vegetable contains potassium most? 什么水果蔬菜含钾最多?
- Kx Potassium salt of Amino Trimethylene ... 氨基三甲叉膦酸钾 ATMP&%238226;
- First, to provide potassium for crop nutrition. 第一,为农作物提供钾元素营养。
- Can pregnant women use acesulfame potassium? (孕妇可以食用。)
- Potassium permanganate.Determination of the titre. 标准英文名: Agropharmaceutical products.
- TAKE CARE when handling the sodium methoxide -- full safety precautions! 小心地处理醇盐!
- While the oil is cooling mix your methanol and NaOH(lye) to form the methoxide. 当食用油冷却时,先将甲醇和氢氧化钠。
- Gunpowder is composed of sulfur, carbon, and potassium nitrate. 火药是由硫、碳和硝酸钾组成。
- Fuse potassium dichromate (19) in a porcelain crucible. 在瓷坩埚中熔化重铬酸钾(19)。