To investigate the change of nutrient content in red paddy soil,the characteristics of rice growth and the relationship between soil nutrient and rice growth,the effects of long-term organic matter circling on soil nutrient and rice growth were studied in a long-term experimental field.
通过长期有机物循环的定位试验,研究了长期有机物循环利用对红壤稻田养分供应及水稻生长发育的影响,目的是了解长期有机物循环利用后土壤养分含量变化、水稻生长特性及两者的相关性。
Effects of Organic Nutrient Recycling on Phosphorus Adsorption-Desorption Characteristics in a Reddish Paddy Rice System
长期有机物循环对红壤稻田土壤磷吸附和解吸特性的影响
limited-pressure cycle
【机】有限压力循环
The Study on the Effect of Bacteria on Organic Phosphorus Cycling in Sediment of Xihu Lake;
西湖沉积物中微生物对有机磷循环影响研究
Investigation of Three Phase Inter-circulating Biological Fluidized Reactor Treating Organic Sewage;
三相内循环生物流化反应器处理有机废水研究
Model and Optimization of Organic Pollutants Flow in Agricultural and Industrial Circular Production System Based on Reed-Planting for Papermaking;
苇—纸农工循环生产系统有机物流模型及优化
Gradational and cyclical utilization of organic waste in eco-agriculture;
有机废弃物在生态农业中的多级循环利用
Of or relating to organic compounds having both aliphatic and cyclic characteristics or structures.
脂环的同时具有脂肪族和循环特征、结构的有机化合物的
Effect of Combined Application of Organic and Inorganic Fertilizer on Soil Microbial Biomass Nitrogen and Nitrogen Cycle;
有机无机氮源配合施用对土壤微生物生物量氮及氮素循环的影响
Study on Reducing NO_x Emissions of SI Engine with Stratified-EGR;
降低汽油机有害排放物NO_x的分层废气再循环的研究
Research of Using Exhaust GAS Recirculation Technology to Reduce Nox Emissions on Automotive Lean Burn Gasoline Eegine;
降低车用稀燃汽油机有害排放物NO_X的排气再循环的研究
Study on Batch Hydrolytic-Aerobic Recycling Biological Process in Treating Simulated High Concentration Organic Wastewater;
高浓度难降解有机废水的间歇水解—好氧循环生物处理技术研究
Research of Organic Working Fluids Bicirculating Screw Expander System;
有机工质双循环螺杆膨胀机系统研究
ON MATERIAL AND NON-MATERIAL CYCLIC MECHANISM OF THE RESOURCES CITIES ON THE BASIS OF RECYCLE ECONOMY;
基于循环经济的资源型城市物质与非物质循环机理研究
Study on the Mechanism of Airlift Recriculated MBR;
气升循环式膜—生物反应器机理研究
Design and Analysis of the Combined Cycle With the Micro Gas Turbine and Organic Rankine Cycle Settings
微型燃气轮机与有机朗肯循环装置组成联合循环的设计与分析
Human biological rhythm is related to the natural cycle of day and night
人的生物节奏与昼夜的自然循环有关
there'll be a special recycling plant,
将会有专门循环使用的植物，
(botany) having a life cycle lasting two seasons.
（植物学）具有持续两年的生命循环。