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1)  DCAD
阴阳离子差
1.
The negative cation-anionic difference(DCAD) can increase the concentration of blood-ionized Ca of dairy cow before calving and mitigate responsiveness to Ca homeostatic hormones.
负的阴阳离子差可以增加血液中离子钙浓度,增强钙平衡调节激素的反应。
2)  Dietary cation-anion difference
日粮阴阳离子差
1.
The effects of dietary cation-anion difference on sow calcium metabolism and relative indexes;
日粮阴阳离子差对母猪钙代谢及相关指标的影响
2.
Ten mid-lactation Holstein cows were assigned randomly to A or B,and administration time-dependent influence of dietary cation-anion difference on performance,acid-base balance under summer condition in dairy cows were studied with the same ion salt.
选择泌乳中期奶牛10头,随机分成A和B组,设定两组日粮阴阳离子差(DCAD)均为32。
3.
This thesis studies the influence of dietary cation-anion difference and its administration time on lactation performance, the effect of season on milk production, and the relation of thermal environment and physiological reaction, hoping that it can provide a theoretical basis for dairy cow management at hot summer in Wuhu and other southern areas.
本文探讨奶牛日粮阴阳离子差的调节及调剂时间与高产奶牛生产性能的关系,奶牛生产的季节性变化特征,以及温热环境与奶牛生理反应的关系,透过芜湖地区荷斯坦奶牛的季节性特征之探讨,为奶牛暑热管理提供依据。
3)  ions
阴阳离子
1.
Study on effect of ions on photocatalytic degradation of methyl orange solution with phosphotungstic acid;
几种阴阳离子对磷钨酸光催化降解甲基橙的影响
4)  anions and cations
阴、阳离子
5)  positive [ negative ] ion
阳[阴]离子
6)  Dietary Cation-Anion Difference (DCAD)
日粮阴阳离子差(DCAD)
补充资料:阴阳复合型离子交换膜
分子式:
CAS号:

性质:又称阴阳复合型离子交换膜(anion-cation composite membrane),复合离子交换膜。是特性离子交换膜的一种。这种膜的一面为阳离子膜结构层,另一面为阴离子膜结构层。一般采用阴膜与阳膜经热压加工而成。在直流电场下,阴、阳层结合处的水分子解离为OH-离子及H+离子。利用双极膜的这一特性,可进行中性盐的分解制取酸、碱,如从硫酸钠Na2S04制取H2SO4及NaOH,并可用于无机、有机化工产品的分离、重组和精制等方面。

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