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- N-Pivot lariat ethers are well known to have strong coordination ability for alkali and alkaline earth ions and to have excellent coordination ability for transition metal ions or ammonium ions. 氮支套索冠醚化合物因其支链的协同配位作用,其配位性能优越于大环聚醚或大环多胺,它们不仅对碱金属、碱土金属离子有一定的配位作用,而且对过渡金属和重金属离子、铵盐等有着特异的络合作用。
- alkali and alkaline earth metal ions 碱金属和碱土金属
- Simultaneous Determinationt of Alkali and Alkaline Earth Metals in Radix Salviae Miltiorrhizae by Ion Chromatography 离子色谱法同时分析中药丹参中碱金属和碱土金属
- Keywords ion chromatography;alkali and alkaline earth metal ions;Ligustrum lucidom; 离子色谱法;碱金属和碱土金属;女贞子;
- Determination of Alkali and Alkaline Earth Metal Ions in Soak and Boil Liquid of Ligustrum lucidom by Ion Chromatography 离子色谱法测定中药女贞子浸煮液中的碱金属和碱土金属
- Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography 离子色谱法测定水和废水中可溶性碱金属和碱土金属阳离子和铵根离子的试验方法
- alkalies and alkaline earth 碱金属及碱土金属
- To obtain the hydrolysis of collagen, such ways as acid, alkali and alkaline proteinase are used.The effect of different methods to the performance index is discussed. 对于脱铬皮屑的水解,本文采用了三种方法:酸法水解、碱法水解和酶法水解,研究了各种水解方法对所得到的胶原蛋白水解物的各项性能指标的影响。
- alkali metal and alkaline earth metal 碱金属及碱土金属元素
- Developing alloy supporters,new Pd-only TWC,transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC. 开发金属合金载体,以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
- Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC. 开发金属合金载体,以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
- Percarbonate,inorganic alkali and auxiliary. 过碳酸盐、无机碱、助剂。
- DETERMINATION OF ALKALI METAL AND ALKALINE EARTH METAL IONS BY NON-SUPPRESSED ION CHROMATOGRAPHY USING TARTARIC ACID, TARTARIC ACID-ETHYLENEDIAMINE AS MOBILE PHASE 酒石酸、酒石酸-乙二胺流动相的非抑制型离子色谱法测定碱金属和碱土金属离子
- Seawater,hyperosmotic and alkaline, is a complex wound factor. 海水呈高渗碱性,是一种复合理化致伤因子。
- "More broadly, ammonium hydroxide (see ammonia) and soluble hydroxides of the alkaline earth metals are also called alkalies. 碱是强碱性的,会使红石蕊试纸变蓝色;
- Superior corrosion resistance, no corrosion in acids,alkali and aqua regia. 具有优异的耐蚀性;各种酸;碱甚至王水都很难侵蚀它.
- Researches in and application of Lewis acid,Bronsted acid,alkali, alkaline earth and molecular sieve catalysts were described in detail. 对采取烷基化法和酰基化法合成2,6-二烷基萘的工艺路线,尤其对所使用催化剂的研究进展进行了评述。
- Acids neutralize alkalis and vice versa. 酸能使碱中和, 碱亦能使酸中和。
- Researches in and application of Lewis acid, Bronsted acid, alkali, alkaline earth and molecular sieve catalysts were described in detail. 对采取烷基化法和酰基化法合成2,6-二烷基萘的工艺路线,尤其对所使用催化剂的研究进展进行了评述。
- Simultaneous Separationof Organic Acids, Inorganic Anions and Alkaline Earth Metal Cations Using single Anion Exchange Column 单一阴离子交换柱同时分离有机酸和无机阴阳离子