1.
Extracting Laminaran Polysaccharides by PEG/(NH_4)_2SO_4 Aqueous two-phase system;
PEG/(NH_4)_2SO_4两水相萃取海带多糖的研究
2.
Study on the Leaching of Hemimorphite in the NH_3-(NH_4)_2SO_4-H_2O System
NH_3-（NH_4）_2SO_4-H_2O体系浸出异极矿的研究
3.
Study on extraction separation and enrichment of iridium by ethanol-potassium bromide in the presence of ammonium sulphate
KBr-乙醇-(NH_4)_2SO_4体系析相萃取分离和富集铱的研究
4.
Study on the Extraction Behavior of Re(VII) in the Extraction System of Polyethylene glycol-(NH_4)_2SO_4-Crystal Violet
聚乙二醇-(NH_4)_2SO_4-结晶紫体系中铼的萃取性能研究
5.
Study on phase equilibrium of ternary water-salt system NaCl-(NH_4)_2SO_4-H_2O at 298 K
298K时NaCl-(NH_4)_2SO_4-H_2O三元水盐体系相平衡研究
6.
Study on the EPR Parameters of NH_4Br:Cu~(2+)
NH_4 Br:Cu~(2+)的EPR参量研究
7.
Measurement of NH_4~+ activity in leaf cells of rice using double-barreled NH_4~+ selective microelectrodes
双阻NH_4~+选择性微电极测定水稻叶片细胞中NH_4~+的活度
8.
Preparation and Characterization of NH_4～+-Intercalated Molybdenum Disulfide;
（NH_4～+）_xMoS_2插层化合物的制备及工艺研究
9.
Determination of Ammoniacal Nitrogen and Nitric Nitrogen on Soilless Culture;
无土栽培中NH_4~+—N和NO_3~-—N的测定
10.
The research of neissler reagent spectrophotometry for ammonium;
NH_4~+离子的奈斯勒试剂吸光光度法研究
11.
Ion of copper Extraction in the Aqueous Two-Phase System Based on PEG600-PVP Combination Surfactant-(NH_4)_2SO_4-H_2O;
PEG600-PVP-(NH_4)_2-H_2O双水相体系萃取Cu~(2+)
12.
Effects of PAA-NH_4 on the Sedimentation of Al_2O_3 Suspension
PAA-NH_4对氧化铝悬浮液沉降性能的研究
13.
Photolum inescence Properties of Phosphor Sr_3Al_2O_6:Eu Reduced by (NH_4)_3PO_4
用(NH_4)_3PO_4辅助还原的Sr_3Al_2O_6:Eu的发光特性
14.
The New Method of PEGylated Chemical Drugs and the Studies of PEI-g-PEG Copolymers;
PEG修饰药物新方法及PEI-g-PEG类共聚物的研究
15.
Experimental Studies on Adsorption of 13X Zeolite for NH_4～+-N Aqueous Solution;
利用13X沸石分子筛净化含NH_4～+-N废水的实验研究
16.
Study on Phase Equilibrium of Na～+、K～+、NH_4～+‖NO_3～- Aqueous Salt System and Mixing Solvent System;
Na～+、K～+、NH_4～+‖NO_3～-水盐及混合溶剂体系相平衡研究
17.
Molecular Mechanisms of the Increased NH_4~+ Sensitivity of Mutant hsn1 in Arabidopsis;
拟南芥NH_4~+超敏突变体hsn1分子机制的相关研究
18.
Application of Rational Cubic Function in Potential Titration Analysis of NH~+_4;
有理样条函数法用于NH_4~+的电位滴定分析