1.
The components of a potassium cycle vary greatly.
钾素循环的各个环节有很大的变化。
2.
Studies on Potassium Cycling in Plant-soil System and Its Relation to Kernel Yield and Quality in Winter Wheat;
冬小麦植株-土壤钾素循环及其与产量和品质关系的研究
3.
Study on the characteristics of potassium cycling in different soil?crop systems in northern China
我国北方土壤作物系统内钾素循环特征及秸秆还田与施钾肥的影响
4.
Effects of Different Soil Moisture and Potassium Fertilizer on the Absorption、Distribution and Circulation of Potassium in Flue-cured Tobacco;
不同水分和钾用量对烤烟钾素吸收、分布和循环的影响
5.
Effect of Potassium and Sodium Salts on Cyclic Carbonation of Calcium-based CO_2 Sorbent
钾钠盐类对钙基CO_2吸附剂循环碳酸化的影响
6.
geochemical cycle of elements
地球化学的元素循环
7.
Study on Spatial Distribution and Influence Factors of Soil Potassium in Huanxi River Valley;
环溪河流域土壤钾素空间分布及影响因素研究
8.
Circulating Economy and the Factors of Developing Circulating Economy in Forest Regions;
循环经济及林区发展循环经济的条件要素分析
9.
A potassium nitrate tracer will be run with ±250 mg/lt nitrate being maintained in the system.
用硝酸钾作示踪剂下井，在循环系统中要保持硝酸钾根离子含量在每升250毫克左右。
10.
Industrial circulating cooling water--Determination of potassium--Atomic absorption spectrometric method
GB/T14640-1993工业循环冷却水中钾含量的测定原子吸收光谱法
11.
Industrial circulating cooling water--Determination of the chemical oxygen demand --Potassium permanganate method
GB/T15456-1995工业循环冷却水中需氧量(COD)的测定高锰酸钾法
12.
" Industrial circulating cooling water--Determination of sodium, ammonium, potassium, magnesium and calcium--Ions chromatography"
GB/T15454-1995工业循环冷却水中钠、铵、钾、镁和钙离子的测定离子色谱法
13.
STUDIES ON THE MANGROVE ECOSYSTEM OF JIULONG RIVER ESTUARY IN CHINA I . ACCUMULATION AND BIOLOGICAL CYCLE OF POTASSIUM AND SODIUM ELEMENTS IN KAN DELIA CAN DEL COMMUNITY
九龙江口红树林研究Ⅱ.秋茄群落的钾、钠累积和循环
14.
2.The effect of potassium antimony tartrate on the dog heart lung preparation
锑剂对于循环系的药理 2.酒石酸锑钾对于犬心肺装置的作用
15.
Nitrogen,phosphorus and potassium cycling and balance in farmland ecosystem at the piedmont of Taihang
华北太行山前平原农田生态系统中氮、磷、钾循环与平衡研究
16.
Establishment of an in-Vitro Cell Model of Cochlear Microcirculation and Potassium Channel TREK-1 Expression
耳蜗微循环体外细胞模型的建立及钾通道TREK-1的表达
17.
Nailfold Microcirculation in Patient with Retinitis Pigmentosa
视网膜色素变性患者的甲襞微循环
18.
radionuclide studies of circulatory system
循环系统放射性核素检查