secondary alkalinity是什么意思

用法例句

The research for the soil secondary salinization caused by planting paddy

种稻引起的土壤次生盐碱化问题研究

In order to prevent soil secondary salinization in inland irrigated area and improve inland rivers quality, wasteland development and its effects were analyzed deeply.

针对内陆灌区次生盐碱化扩张和河流盐化等问题,本文以塔里木盆地土地开发为例,首先,阐述了阿拉尔段河流水质的演化过程和特点,通过对新老绿洲灌区土壤盐分状况和盐分运移特征的比较,初步揭示了垦荒导致次生盐碱化扩张和河流矿化度的机制;其次,通过对荒地冲洗盐分定额的计算与比较,初步评估了垦荒可能对塔里木河水质造成的影响;最后,基于灌区次生盐碱化控制和河流水质改善的目的,提出以水定地和多途径排水是达到上述目的的关键措施。

Based on studies on mechanism of soil secondary salinization in Huang-Huai-Hai plain as well as assessment to soil secondary salinization in waste material processing place of some mineral water production base, paper put forwards time and spatial forecast model about soil secondary salinization and its controlling measures.

本文在对黄淮海平原地区的土壤盐碱化机制进行研究的基础上 ,结合某矿泉水基地纳污场土壤盐碱化的评价 ,提出了土壤次生盐碱化的时空预测模型和防治土壤次生盐碱化的措施。

Research into improving the secondary naked saline-alkali patches by seeding Chloris virgata in Songnen grassland;

播种虎尾草对松嫩草地次生光碱斑治理的初步研究

Effect of Salt Restraint on Vicia villosa in secondary salinization land;

毛苕子对次生盐碱地抑盐效应的研究

The quantificational study on water and salt motion in saline-alkali soil is the foundation to control the soil secondary saline-alkalization in region, and moisture diffusivity of saline-alkali soil is one of the essential parameters to study quantificationally water and salt motion in saline-alkali soil.

对盐碱地土壤水盐运动的定量描述是控制区域土壤次生盐碱化的基础，其中的土壤水分扩散率是研究土壤水盐运动的重要参数之一。

The research for the soil secondary salinization caused by planting paddy

种稻引起的土壤次生盐碱化问题研究

The secondary salinization of grassland soil is the main reason for the formation of secondary saline-alkaline soil patches in grasslands in Songnen Plain.

草地土壤次生盐渍化是松嫩平原次生盐碱斑形成的主要原因。

Primary brine refining in 100 kt/a caustic soda production from bittern wholly

10万t/a全卤制碱生产中的一次盐水精制

PHYSICO-CHEMICAL PROPERTIES AND ECOLOGICAL RECOVERY OF SALINE-ALKALINE SOIL IN SONGNEN PLAIN

松嫩平原盐碱土理化性质与生态恢复

Comparision Research on Anti-salinized Physiological Index of Iris Lactea Pall. Var Chinensis (Fisch.) Koidz. and Leymus Chinensis in Salinized Grassland in Songnen Plain;

松嫩盐碱化草地马蔺和羊草叶片抗盐碱生理指标的比较研究

Studies on Physiological and Biochemical Characteristics Related to Saline Alkali Stress in Grafted Seedlings of Vitis Amurensis;

盐碱胁迫下山葡萄嫁接苗生理生化特性研究

Research on Biological Restoration of Ectomycorrhizal Fungi to Soline-alkali Soil

外生菌根菌对盐碱化土壤生物修复的初步研究

Some Physiological-biochemical Characteristics of Cerasus humilis(Bge.) Sok under Salt-alkali Stress

盐碱胁迫对欧李叶片部分生理生化指标的影响

The Effects of Resistance Salt-alkaline Preparation on the Characters of Physiological and Biochemical Index of Cotton Seedling

抗盐碱制剂对棉花幼苗生理生化特性的影响

Physiological Responses of Antioxidant Enzyme System to Alkali-saline Mixed Stress in the Seedlings of Kochia Sieversiana;

碱地肤幼苗抗氧化酶系统对盐碱混合胁迫的生理响应特点

Study on the Ecological Design of Saline-alkali Landscape in Tianjin Binhai New Area;

天津滨海新区盐碱地景观生态化设计研究

Studies on Establishment of High Frequency Regeneration System and Transformation of Salt-resistant Gene OsNHX1 of Sophora;

槐树高频再生体系建立及抗盐碱基因转化研究

Primary Construction of Plant Regeneration System and Agrobacterium Tumefaciens-mediated Transformation System of Halophyte Suaeda Salsa;

盐地碱蓬再生体系及遗传转化体系的初步建立

Study on the Ecological Development of Coastal Saline Land in Tianjin Binhai New Area

天津滨海新区海岸带盐碱地生态化发展研究

Effects of Turf-grass Irrigation with Reclaimed Water on Soil Salinize-alkalization

再生水灌溉对不同类型草坪土壤盐碱化的影响

The model and integrated technology of ecosystem restoration in Songnen alkali-saline grassland

松嫩盐碱化草地生态修复模式及集成技术

Highly mineralized groundwater can be explored from strongly salinized land thus producing mirabilite and table salt.

重度盐碱地可开采高矿化地下水,生产芒硝和食盐。

Determination of Optical Impurity in L-Norephedrine Hydrochloride by RP-HPLC with Pre-Column Derivatizatio

柱前衍生化RP-HPLC测定L-去甲麻黄碱盐酸盐光学杂质