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- It is proved that the improved ioditori method is suitable for it but the ammonium chloride method、ioditori method and sulphurous acid method will introduce great deviation. 實(shí)驗先合成阻燃性樹(shù)脂，分析阻燃樹(shù)脂中甲醛含量，將樹(shù)脂滲入木材中后，再分析木材中游離甲醛的含量。通過(guò)對多種方法的實(shí)驗，確認了對阻燃性樹(shù)脂，改進(jìn)的碘量法較適合其中游離甲醛的分析測定，而亞硫酸鈉法、氯化銨法以及鹽酸羥銨法不適合；
- The structure and property of 2,3 epoxypropyl trimethyl ammonium chloride, and the method of synthesizing cationic starch based on ETA and cornstarch are introduced in brief. 對2,3環(huán)氧丙基三甲基氯化銨(ETA)的結構和性質(zhì)及以ETA和玉米淀粉為原料合成陽(yáng)離子淀粉的方法進(jìn)行了簡(jiǎn)要介紹。
- Methyl trioctyl ammonium chloride (MTAC),a cationic-type surfactant,was... 超濃鹽酸反膠束微水池中出現未電離的氯化氫分子。
- Ammonium chloride under thermal dissociation forms ammonia and hydrogen chloride gases. 氯化銨在熱力分解作用下形成氨和氯化氫氣體。
- A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced. 介紹了一種含環(huán)氧基聚酯的羥值測定方法,即乙酰氯法。
- Ammonium chloride vaporizes on heating, and sublimes back to a solid on cooling. 氯化銨受熱蒸發(fā)，升華，冷卻還原為固體。
- The mixture of ammonia and hydrochloric gas can bring nitrogen and ammonium chloride, with white mist being. 把氨氣和氯化氫氣體混合產(chǎn)生氮氣和氯化銨,并且有白霧產(chǎn)生。
- Blood-Determinatoin of cholinesterase activity-Spectrophotometric method-Hydroxylamine-ferric chloride method. 全血膽堿酯酶活性的分光光度測定方法羥胺三氯化鐵法.
- Ingredients:Rose extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分：玫瑰提取液,十六十八混合醇，二甲基硅油，甘油，十八烷基三甲基氯化銨。
- Ingredients:olive extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分：橄欖提取液,十六十八混合醇，二甲基硅油，甘油，十八烷基三甲基氯化銨。
- The ammonium chloride is neutralized by vaporizing and thickening from mother liquors. 而吸附鉬后剩下的母液蒸發(fā)、濃縮、結晶出氯化銨，可用作農用化肥。
- Results Their chemical structures were determined by IR, 1H NMR,MS and elemental analysis.Conclusion The acyl chloride method was feasible to th... 結果化合物的結構均經(jīng)紅外光譜、核磁共振氫譜、質(zhì)譜及其元素分析確證。
- The effect of ammonium chloride (NH4Cl) on the growth of micro algae Dunaliella viridis was reported. 報道了氯化銨對綠色杜氏藻增殖的影響情況。
- The nitrification was decreased when the urea or ammonium sulfate was combined with ammonium chloride. 氯化銨與尿素或硫酸銨配合施用能明顯降低其氮素的硝化作用。
- The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method. 以百里酚蘭為指示劑;分析可溶性硅酸鹽體系中混合堿的方法;較之氯化鋇法;雙指示劑法及系數校正法快速、準確;相對誤差在0.;2%25以下。
- Status Black powder, soluble in diluted acid, ammonium chloride, salvolatile, potassium cyanide solution, insoluble in water and alcohol. 性狀黑色粉末,溶于稀酸、氯化銨、碳酸銨和氰化鉀溶液,不溶于水和醇。
- Cationic mono-ester surfactants(CMESA)was prepared using glycidyl trimethyl ammonium chloride(GTMAC)and stearic acid as starting materials with a single step reaction. 以自制的失水甘油基三甲基氯化銨(GTMAC)和硬脂酸為原料,經(jīng)一步反應合成陽(yáng)離子單酯表面活性劑(CMESA)。
- K-Zn-Ti layered metal oxide (LMO) is exchanged with acetic acid and ammonium chloride aqueous solution. XRD, SEM. DTA and BET techniques are used for. 本文利用XRD，SEM，DTA及BET等現代儀器，研究了K－Zn－Ti層狀金屬氧化物（LMO）經(jīng)HAC，NH4Cl交換前后的基本性能。
- Status: Black powder, soluble in diluted acid, ammonium chloride, salvolatile, potassium cyanide solution, insoluble in water and alcohol. 性狀：黑色粉末，溶于稀酸、氯化銨、碳酸銨和氰化鉀溶液，不溶于水和醇。
- Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(芐基三乙基氯化銨 )為相轉移催化劑合成了異煙酸乙酯。
