geochemical cycle of elements
地球化学的元素循环
Review of the Cycling of Trace Elements in Agroecosystems
农田生态系统微量元素循环研究进展
Micronutrient cycling and its affecting factors in forest ecosystems
森林生态系统微量元素循环及其影响因素
Input-output analysis of the phosphorus recycle of the Chinese phosphor industry;
中国磷资源产业中磷元素循环的投入产出分析
Study on Nutrient Cycling of N and P of Pear-Dry Rice Intercropping Ecosystem in Hill of Northern Zhejiang;
浙北丘陵山地梨—旱稻复合生态系统氮、磷元素循环研究
Biological Cycling of Microelements in Acacia crassicarpa Plantation
厚荚相思人工林微量元素的生物循环
Biological Cycling of Nutrient Elements in Young Eucalyptus urophylla×E.grandis Plantation
尾巨桉人工幼林营养元素的生物循环
Cadmium Circulation of Supergenic Geochemistry and Effect on Plant;
镉元素表生地球化学循环及其对植物的影响
Accumulation and Biological Cycle of Mentals in Spartina Alterniflora Vegetation;
互花米草群落中金属元素的累积和循环特征
Primes in the Doubly Stochastic Matrices and in the Doubly Stochastic Circulants;
双随机矩阵和双随机循环矩阵的素元研究
Microelements Distribution and Biological Cycling of Acacia mangium plantation in Nanning,Guangxi
南宁马占相思人工林微量元素分布与生物循环
A doubly-linked list links its elements both backward and forward in a circular fashion.
在一个循环方式中，双链接列表既向前又向后链接他的元素。
Repeated cycles see the core converted into a series of increasingly heavy elements– neon, magnesium, silicon, sulphur, and eventually– iron and nickel.
重复这种循环核心逐渐被转变成一系列更重的元素——氮、、、、后是铁和镍。
At present, all nutrient elements are gradually enriched in the nutrient cycle of Fargesia denudata ecosystem.
(3)目前,缺苞箭竹生态系统养分循环中,各种营养元素都在逐渐富集。
Foundational Study on Separating Technique of Copper, Tin and Other Elements from Iron by Slagging Method in Metal Recycling;
金属循环过程中渣化法分离铁与铜锡等元素技术的基础研究
The Planting Experimentation of Curcuma Wenyujin in Lime Soil and the Biogeochemical Cycling of Its Nutrition Elements;
温郁金在石灰土上栽培试验及其营养元素生物地球化学循环
Biogeochemical Cycles of Toxic Metals in Farmland Soil-Plant System
痕量有毒金属元素在农田土壤—作物系统中的生物地球化学循环
The influence of adding Al, Ti on the cycle stability of Mg-Ni hydrogen storage alloy
Al、Ti元素添加对非晶态Mg-Ni储氢合金循环稳定性的影响