The proporties and way of preparing Azone-hydrogen chloride in laboratory arestudied.
本文对氮酮盐酸盐在实验室的制备方法及其基本性能进行了研究；用红外光谱初步对氮酮盐的盐的结构进行了确定，分别采用差示扫描量热法（ＤＳＣ）、差热分析（ＤＴＡ）测定了它的分解热及其热分解活化能。
Fast Testing of nitrate Content in water with Spectrophotometry;
分光光度法快速测定嘉陵江水体中硝酸盐氮
Improvement on tolerance of Spirodela polyrrhiza to ammonia at presence of nitrate;
硝酸盐氮对紫背浮萍氨耐受能力的影响(英文)
Determination of Nitrate Nitrogen in Groundwater by Direct Ultraviolet Spectrophotometry;
直接紫外分光光度法测定地下水中的硝酸盐氮
Removal of nitrate nitrogen using biofilm-electrode process;
电极-生物膜法去除硝酸盐氮的试验研究
The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.
采用同一标准液和天然水样用酚二磺酸光度法和紫外分光光度法测定硝酸盐氮,进行比对分析,同时调查云南省内用此两种方法密码样考核的情况。
ortho-aminoanisole diazonium salt
邻氨基苯甲醚重氮盐
diazonium salt, stabilized, mixed with couplers
稳定重氮盐,与成色剂混合的
para-aminoazobenzene hydrochloride
对氨基偶氮苯盐酸盐
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
a salt of hydrazoic acid.
叠氮酸形成的一种盐。
To remove nitrogen or nitrogen groups from(a compound).
使脱硝，使脱氮（从化合物中）去掉氮或硝酸盐
Dynamics of Nitrogen and Phosphorus Nutrients in Low Salinity Controlled Enclosures;
低盐度围隔调控养殖系统氮磷营养盐动态研究
aerated bath nitriding
吸风盐浴软氮化;通气液体氮化;空气搅拌液体渗氮法
diminazene aceturate
重氮氨苯脒乙酰甘氨酸盐
A trademark used for preparations of chlordiazepoxide hydrochloride.
利眠宁甲氨二氮草盐酸制剂的商标
Study on the toxicity of nitrite nitrogen to Babylonia areolata
亚硝酸盐氮对方斑东风螺毒性的研究
Analysis on the Morphology and Progress of ZrN Coating in Salt Water
Zr基氮化物涂层的耐盐水腐蚀性能
Effects of salinity on the growth of Porphyridium cruentum and utilization of nitrate and phosphate
盐度对紫球藻生长及氮磷利用的影响
Summarization on the Remediation Technologies of Nitrate Contaminated Groundwater
地下水中硝酸盐氮污染修复技术综述
Study on Salt Bath Nitrocarburizing of 17-4PH Stainless Steel
17-4PH不锈钢盐浴复合氮化处理研究
Analysis of strains effect on the total volatile basic nitrogen in yoghourt
酸奶中挥发性盐基氮的菌株效应分析
Effects of Different Ratios of Base N to Dress N Fertilizer on Nitrate Content in Chinese Cabbage and the N Use Efficiency
氮肥不同基肥、追肥比例对小白菜硝酸盐含量及氮肥利用率的影响
The Experiment on Nitrogen Removal and Phosphate Removal in Mustard Tuber Wastewater with High Salinity High Nitrogen Concentration and High Organic Concentration;
高盐高氮高有机浓度榨菜废水脱氮除磷技术试验研究