磷石膏是磷肥厂废渣，做为化学改良剂已成功的用于碱土改良。
Ardealite, a water residue from phosphate fertilizer factories, has been successfully used in the amelioration of alkaline soil as a kind of chemical amendment.
结合土柱试和盆栽试验的结果综合分析，在土壤碱化度低于30%的轻、中度碱化土壤通过水利与农业措施相结合的办法而不用化学改良剂就可以改良好；
Combinating the siol column and potted plant experiment synthesize analysis that the soil alkalinity below 30% can be all improved by hydraulic and agricultural measure without the chemical amendment.
采用堆肥池，以硫酸、磷酸、硫酸铝、硫酸钙、氯化钙、过磷酸钙作为化学改良剂，研究了化学改良剂对稻草猪粪堆肥氨气挥发累积规律和腐熟进程的影响。
Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
阐述植物修复的基本内容，并重点介绍了植物组合技术在螯合剂——植物修复、基因工程——植物修复、电压——植物修复、化学改良剂——植物修复中的应用。
The basic contents of phyto-remediation and its combination technology of using plants and other means to remediate heavy-metal contaminated soil are introduced in this paper.
他们发现，居住的时间越长，采用的改良植物品种越多，而使用的化学除草剂越少。
They found that longer residence correlated with more adoption of improved plant varieties but less adoption of chemical herbicides.
除了支持化学合成农药和化肥之外，他们最近在评论基因改良有机作物时表示了不满。
Aside from supporting synthetic pesticides and fertilizers, they've focused their ire lately on critics of genetically modified organisms.
2004年，该研究所的化学家比尔·威德默对生产技术进行了改良，生产量达到了1000加仑的水平。
In 2004, ARS chemist Bill Widmer modified the technique to work on the 1,000-gallon level.
目的用改良的化学萃取方法，制备去细胞异种神经支架。
Objective To prepare the xenogeneic acellular nerve scaffold used a modified chemical extraction method.
体细胞变异结合物理化学诱变法可被视作改良果树作物的一种手段，并且在一些果树作物中获得了成功。
Thus, the somatic cell variation in combination with physical and chemical mutagenesis can be considered as one approach to improve fruit crops and have achieved success in some fruit crops.
改良了组织原位杂交和原位酶组织化学分析的方法。
Improved methods for both in situ hybridization and in situ enzyme histochemistry were described.
结合甲醇在动力系统中间接应用方式的考虑，分析了甲醇和二甲醚利用燃气轮机排热蒸汽重整进行燃料改良组成化学回热燃气轮机循环的可行性；
Combined with methanol's indirect use in power system, methanol and dimethyl-ether steam reforming use gas turbine exhaust gas to constitute the chemically recuperative gas turbine cycle.
研究评价结果为本区农业生产合理区划、种植、土壤改良、科学施肥等提供了重要的地球化学依据。
The researching results can provide the important geochemical evidence for rational agricultural programming, planting, soil improvement and scientific fertilization.
分析盐碱地对树木的危害，阐述通过物理、水利和化学土壤改良的措施；
The paper analyzes the harmfulness of saline - alkali soil to trees and woods, and simply elaborates the measures for soil improvement concerning physical, hydrological and chemical aspects.
通过该专业学习可从事农场管理，农作物育种和基因改良，农业化学研究和其他相关工作。
This degree program prepares you to work in farm management, plant breeding and genetics, agricultural chemical research, or related careers.
减少操作费用：化学药品和水储蓄由于改良的操作效率加倍减少系统操作费用。
Reduced operating costs: chemical and water savings coupled with improved operating efficiencies reduce system operating costs.
采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。
A continuous extraction method was adopted to analyze the chemical forms of arsenic (as) in soil, and the content change of as with different forms were compared when the additives were added.
采用连续提取法对土壤中砷的化学形态进行分析研究，比较加入不同改良剂时砷的各种形态含量的变化。
A continuous extraction method was adopted to analyze the chemical forms of arsenic (as) in soil, and the content change of as with different forms were compared when the additives were added.
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