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- Keywords chromium acetyl acetonate;diphosphinoamine;methylaluminoxane;hexachloroethane;ethylene;oligomerization;octene; 乙酰丙酮铬;二苯基膦胺;甲基铝氧烷;六氯乙烷;乙烯;齐聚;辛烯;
- chromium acetyl acetonate 乙酰丙酮铬
- By using acetyl acetone as color reagents, the micro-formaldehyde can be determined at the point of 412nm with spectrophotometry. 用乙酰丙酮作显色剂 ,在 412nm处 ,用分光光度法可测定微量甲醛。
- The ionic strength buffer solution is 0.12mol/L TEA hydrochloric acid solution of 0.1mol/L KC1-PH=7. The interference camouflaging agent is 0.004mol/L acetyl acetone. 离子强度调节缓冲液为0.;1mol/L KCl-PH_7的0
- Methods That taurine reacting with formaldehyde and acetyl acetone forming a stable colored-compound was used to determine the content of taurine by spectrophotometry. 方法根据在一定的条件下，牛磺酸与乙酰丙酮和甲醛反应生成带色的配合物，建立了测定牛磺酸的吸光光度法。
- Under the situation of phosphonic acid, the extraction of formaldehyde in dried bean milk cream was carried out by distilling and the formaldehyde was determined by acetyl acetone spectrophotograhy. 磷酸酸化条件下对腐竹样品进行蒸馏,采用乙酰丙酮分光光度法测定甲醛残留量。
- I am going to rub up the chromium on the car. 我准备把汽车上的镀铬部件擦亮。
- acetyl acetone colorimetric test 乙酰丙酮比色法（树脂整理游离甲醛测定法）
- Keywords MBTH;acetyl acetone;formaldehyde; 酚试剂;乙酰丙酮;甲醛;
- titanium acetyl acetonate 四乙酰丙酮络钛
- uranium acetyl acetonate 乙酰丙酮铀
- neodymium acetyl acetonate 乙酰乙酸钕
- To tan or dye with a chromium compound. 用铬的化合物制革或染色
- Something plated with a chromium alloy. 镀铬物用铬合金镀的东西
- Containing two chromium atoms per molecule. 每个分子中含有两个铬原子的
- What about the chromium compound? 铬化物呢?
- I am going to rub upthe chromium on the car. 我准备把汽车上的镀铬部件擦亮。
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化，把一乙醯基带入（一有机分子）之中
- The trimmings on the car are made of chromium. 车上的装饰品是用铬合金做的。
- Who knows what effect acetyl salicylic acid has? 谁知道乙酰水杨酸有什么作用？
