Caplan is not opposed to DCD, but said, "we need to have a national standard on how it is to be implemented."
盖普兰并不反对DCD计划,但他也同时指出:“我们还需要制订一个全国通行的实施细则。”
The result showed that DCD promotes the growth of the bacteria and actinomycetes, DCD restrains the growth of the mold.
结果表明:双氰胺对土壤中的细菌、放线菌生长具有促进作用,对土壤中的霉菌生长具有抑制作用。
Ammonium existed in soils for a longer time when DCD used, and the ammonium peak raised when DCD concentration increased.
双氰胺使尿素氮更长时间地以铵态氮形式存在于土壤,且浓度越大铵态氮峰值越大。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method.
采用好气土壤培养试验,研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
Based on analysis the QFD matrices and predigesting its process, a new practical method named as Design Constraints Deployment (DCD) is proposed.
在简化QFD分析过程和矩阵框架的基础上,提出了一种支持并行工程的设计约束展开(DCD)方法。
Developmental coordination disorder(DCD)is a developmental disorder with high incidence which threaten primarily the physical and psychological health of school-aged children.
儿童发育性协调障碍是一种发病率较高的发育障碍性疾病,它严重威胁着学龄儿童的身心健康。
This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.
实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响,及对土壤中铵态氮和硝态氮贮量变化的影响。
This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.
实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响,及对土壤中铵态氮和硝态氮贮量变化的影响。
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