Results 21 to 30 of about 284 (77)

不同处理池塘底泥氮矿化机制及有机氮组分矿化特征研究

Shuitu Baochi Xuebao, 2008
采用Warning等的淹水培养法,研究了不同处理池塘底泥氮素的矿化特征,并对可矿化氮进行一级动力学方程模拟;采用Bremner法测定了底泥培养前后各有机氮组分含量,并通过通径分析确定了可矿化氮与各有机氮组分之间的关系。研究结果表明,采用不同处理组的底泥氮矿化的强度和容量都小于对照组,其中加入沸石的矿化容量最小,强度也最低,其次是加入微生物的处理,再次是加入脲酶抑制剂的处理;上覆水中氨态氮主要来自底泥酸解氮的矿化,其中氨基酸态氮矿化最大,酰胺态氮和氨基糖态氮次之,水解未知态氮降低最小;通径分析结果表明 ...
CAI, TIAN, HAN, LU, LI, HAO
doaj  

[Evaluation of thermal adsorption and desorption properties of dioxins on 11 adsorbents]. [PDF]

Se Pu, 2021
Wang L, Wang L, Ni Y, Zhang H, Chen J.
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[Progress in the application of preparative gas chromatography in separating volatile compounds]. [PDF]

Se Pu, 2023
Mayira A, Zhong Z, Bai X.
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[Rapid screening of Chemical Weapons Convention-related chemicals in oil matrix by headspace solid-phase microextraction and gas chromatography-mass spectrometry]. [PDF]

Se Pu, 2023
Chen J, Liu YL, Xu B, Liu Q, Xie JW.
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[Simultaneous determination of saturated and aromatic hydrocarbons in soil by on-line high performance liquid chromatography-gas chromatography]. [PDF]

Se Pu, 2021
Liu L, Li B, Wu Y.
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[Droplet freeze-thawing system based on solid surface vitrification and laser rewarming]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Zhu W, Pan P, Huang Y, Chen W, Han S, Li Z, Cheng J.   +6 more
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[Novel adsorption material for solid phase extraction in sample pretreatment of plant hormones]. [PDF]

Se Pu, 2021
Lin S, Ding Q, Zhang W, Zhang L, Lu Q.
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[Determination of 18 polychlorinated biphenyls in milk by dispersive solid-phase extraction based on zeolitic- imidazolate-framework composite microspheres prior to gas chromatography-mass spectrometry]. [PDF]

Se Pu
Nie WD, Shuai SJ, Hu K, Cui XL, Li TF.
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[Determination of ethylene oxide and acetaldehyde in petrochemical exhaust based on thermal desorption- gas chromatography-mass spectrometry]. [PDF]

Se Pu
Li YJ.
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[Tracing the origin of crude oil based on fingerprint profiles obtained by comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry]. [PDF]

Se Pu
Zhang WY, Chen P, Xie WX, Gao XB, Zhang WF, Dai W, Lin SY, Zhu SK.   +7 more
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