: In this paper,we establish the relationsbips between semirings and l-rings,and provethat an l-ring essentially depend on its Positive semiring.
本文建立了半环与L-环之间的关系,证明了L-环其本质是依赖于其正半环的。
Study on nitrogen and phosphorus removal effect by modified Carrousel oxidation ditch process;
改良型Carrousel氧化沟工艺生物脱氮除磷效果研究
Pilot-Study of Orbal Oxidition Ditch to Enhance Biological Nitrogen Removal;
Orbal氧化沟强化生物脱氮的中试研究
Study on the Wastewater Treatment of Carrousel Oxidation Ditch;
Carrousel氧化沟污水处理技术研究
Research on Carrousel Oxidation Channel Technology in Sewage Treatment Plant
污水处理厂Carrousel氧化沟工艺研究
buried channel mos
埋沟金属氧化物半导体
Technological Research of IC Anaerobic-Triple Oxidation Ditch for Piggery Wastewater;
猪场废水IC厌氧—三沟式氧化沟工艺技术研究
Study on the Total Antioxidant Capacity of Persimmon (Diospyros Kaki L.) Fruits
柿（Diospyros kaki L.）果实抗氧化能力的分析
Study on the antioxidation of L-ascorbyl palmitate
L-抗坏血酸棕榈酸酯的抗氧化性研究
Experiment Study of Hydro-Characteristice in Deep Kessener-Integral Oxidation Ditch;
深沟转刷型一体化氧化沟水力特性试验研究
Kinetics Research on the Oxidation of Antioxidant L-Ascorbic Acid in Aqueous Solution;
抗氧剂L-抗坏血酸氧化降解动力学研究
The Experimental Research for Optimization of the Energy Supply of Integrated Oxidation Ditch;
一体化氧化沟能量供给优化试验研究
Study on Modified Integrated Oxidation Ditch Wastewater Treatment Process;
新型一体化氧化沟污水处理技术研究
Research of ecological oxidation ditch for purifying municipal wastewater
生态型氧化沟对生活污水的净化效果
A/O Oxidation Ditch Sewage Treatment Process and Automation Control
A/O氧化沟污水处理工艺及自动化控制
MX-Induced Ras Gene Activation and Oxidative Stress in Human Derived Fetal Hepatocytes;
MX诱导L-02细胞ras基因活化及氧化应激的研究
Study on Transformation of Brassica Napus L. with Oxalate Oxidase Gene;
草酸氧化酶基因转化甘蓝型油菜（Brassica napus L.）的研究
Methods optimization for assaying the activity of the L-amino acid oxidase of Naja atra venom
眼镜蛇毒L-氨基酸氧化酶活性检测方法的优化
Antioxidation and Preparation of L-ascorbyl 6-palmitate;
L-抗坏血酸-6-棕榈酸脂的抗氧化性及其合成
Protective effects of L-carnosine on injuries to PC12 cell induced by H_2O_2
L-肌肽对过氧化氢诱导PC12细胞损伤的保护机制