water, heat transfer and crop growth simulation in spac with water and nutrient stress

study on evapotranspiration of winter wheat using spac model

利用SPAC模型对冬小麦蒸散发的研究

the soil-plant system is a very important subsystem of the spac.

土壤&根系系统是SPAC水分连续体中重要的子系统。

this paper applies the finite element method to water and heat equations in spac system.

应用有限元算法，对SPAC系统中的水分运动方程和温度方程分别进行数值求解。

spac theory was the foundation of quantitative study in water transportation and energy transition.

SPAC理论为人们系统地定量研究水分的运输及能量转换奠定了理论基础。

finite element iteration method for water and heat coupling movement equations is spac system

SPAC系统中水热耦合运移方程的有限元迭代算法

the result revealed the water translocation mechanics of spac system.

揭示了盐渍化地区SPAC系统内的水分迁移机理。

research on spac water flowing model in the upland of red soil

南方红壤旱地SPAC水流模型的研究

spac interface water flux control and its application to water-saving in agriculture

SPAC界面水分通量调控理论及其在农业节水中的应用

preliminary studies on groundwater effects on spac system in shallow groundwater field

浅地下水埋深区潜水对SPAC系统作用初步研究

model on water transfer of spac in apple-wheat multiplex system

苹果-小麦复合系统SPAC水分运移模拟模型

effect of phosphate fertilizer application level on spac moisture energy characters

施磷水平对SPAC水分能量特征的影响

in spac, it is the plant that should be optimum indicator for irrigation control, because the soil factor and air factor, which control the balance of water in crops, can but be integrated by plant.

而在土壤植物大气连续体（简称SPAC）中，植物才应该是是否需要灌溉的最优指示物，因为只有它们才能把控制植物水分平衡的土壤因子和大气因子综合起来。

properties comparing between sd-2 releasing agent in china and the releasing agent from abroad

国产SD-2脱膜剂与进口脱膜剂性能比较

application of releasing agent at-16 in tire sidewall

内脱模剂AT-16在轮胎胎侧胶中的应用

outside releasing agent of radial tire

子午线轮胎硫化外喷涂剂

various applications of oxygen releasing agent in several aspects of aquaculture

增氧剂在水产生产多个环节中的不同应用

determination of thallium by chelatometry with releasing agent

释放螯合滴定法测定铊

the selection and use of nitrogen reduced - releasing agent for the organic and inorganic compound fertilizer

有机无机复合肥料中氮缓释剂的选择和使用

the research of heat transferring foundation of die releasing agent spraying

压铸脱模剂喷涂时热交换特点的基础研究

ester cotton; trace silver; adsorption; releasing agent;

黄原酯棉；痕量银；吸附；解脱剂；