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98篇 您的检索式:作者名="Freney J"
    题名 作者 年代 出处 被引量
1赭曲霉产生的脲酶抑制剂的提纯与动力学显示文摘对赭曲霉(Aspergillus ochraoeus)产生的脲酶抑制剂进行了纯化,经硅胶薄层层析和高效液相色谱鉴定达到均一,晶体呈白色针状。质谱及元素分析表明,该物质含C、H,O三元索,分子量为184,分子式是C_9H_(12)O_4,溶点105~110℃,其抑制作用随抑制剂浓度而增强,抑制类型为非竞争性。K为1.3×10^(-3)mol/L。抑制剂未改变酶的Hill系数,n=1。林新坚 陈济琛 郑时利 刘中柱 Freney J R 1997微生物学报1997,37,4:2
2Antibacterial activity of clonidine and neostigmine in vitro 显示文摘Boselli E Guillier M Freney J 2005Anesth Analg2005,101,:1
3Effect of a new nitrification inhibitor (wax coated calcium carbide) on transformations and recovery of fertilizer nitrogen by irrigated wheat显示文摘Freney J R Smith C J Mosier A R 1992Fertilizer Research1992,32,1:1
4Use of nitrification inhibitors to increase fertilizer nitrogen recovery and lint yield in irrigated cotton显示文摘Freney J R Chen D L Mosier A R 1993Fertilizer Research1993,34,1:1
5Assessing nitrogen transfer from legumes to associated grass显示文摘 FRENEY J R SIMPSON J R 1985Soil Biology and Biochemistry1985,17,:1
6Inhibition of urease activity in flooded soils by phenylphosphorodiamidate and n-(n-butyl) thiophosphorictriamide显示文摘Luo qui-xiang Freney J R Keerthisinghe D G 1994Soil Biology and Biochemistry1994,26,8:1
7Inhibition of urease activity in flooded soils:Effect of thiophosphorictriamides and phosphorictriamides显示文摘Keerthisinghe D G Freney J R 1994Soil Biology and Biochemistry1994,26,11:1
8Effect of urease, nitrification and algal inhibitors on ammonia loss and grain yield of flooded rice in Thailand 显示文摘Freney J R Keerthisinghe D G Phongpan S 1995Fertilizer Research1995,40,:1
9Use of nitrification inhibitors to increase fertilizer nitrogen recovery and lim yield in irrigated cotton显示文摘FRENEY J R CHEN D L MOSIER A R 1993Fertilizer Research1993,34,:1
10Slow release sources of acetylene to inhibit nitrification in soil显示文摘FRENEY J R RANDALL P J SMITH J W B 2000Nutr Cyel Agroecosys2000,56,:1
11Managing soil denitrification显示文摘Mosier A Doran J Freney J 0,,06:1
12Regional nitrogen budgets and riverine N, P fluxes for the drainages to the North Atlantic Ocean: natural and human influences 显示文摘Howarth RW Billen G Swaney D Townsend A Jaworski N Lajtha K Downing JA Elmgren R Caraco N Jordan T Berendse F Freney J Kudeyarov V Murdoch P Zhu ZL 1996Biogeochemistry1996,35,:1
13Using an efficient biofilm detaching agent:an essential step for the improvement of endoscope reprocessing protocols显示文摘Marion K Freney J James G 2006J Hosp Infect2006,64,2:1
14Water-air transfer resistance for ammonia from flooded rice 显示文摘Trevitt A C F Freney J R Denmead O T 1988Journal of Atmospheric Chemistry1988,6,12:1
15Diagnosing sulfur defi- ciency in rice by grain analysis 显示文摘Randall P J Freney J R Spencer K 2003Nutrient Cycling in Agroecosystems2003,65,3:1
16Direct measurement of methane emissions from grazing and feedlot cattle 显示文摘Harper L A Denmead O T Freney J R 1999Journal of Animal Science1999,,77:1
17Use of nitrificationinhibitors to increase fertilizer nitrogen recovery and lintyield in irrigated cotton显示文摘Freney J R Chen D L Mosier A R 1993Fertilizer Research1993,34,1:1
18The effect of heavy metals and lime on urease activity in soddy-podzolic soil显示文摘BYMES B H FRENEY J R AHMAD N 1995Moscow University Soil Science Bulletin1995,50,2:1
19Evaluation of a polyolefin coated urea(Meister)as a fertilizer for irrigated cotton显示文摘Chen D Freney J R Rochester I et ol 2008Nutrient Cycling in Agroecosystems2008,81,3:1
20Recent development on the use of ure- ase inhibitor in the tropics 显示文摘Byrnes B H Freney J 1995Fertility Research1995,42,13:1
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