ph variation 中文意思是什麼
ph variation
解釋
ph酸堿度變化-
The most difficult differential solubility techniques to perform are those involving variation of ph or temperature.
涉及pH或溫度改變的差別溶解法最難于進行。 -
Combination of additive effects and interaction effects can account for over 50 % of genotypic variation in spikelet number per spike ( sns ) and spike number per 50cm row ( snr ), and over 40 % in fertile spikelet number per spike ( fsns ), 1000 grain weight ( kgw ) and ear length ( el ), over 30 % in plant height ( ph ), over 20 % in sterile spikelet number per spike ( ssns ) and less than 10 % in grain weight per 50cm row ( gwr ) and grain number per spike ( gns )
加性效應和互作效應聯合起來，可以解釋群體總小穗數和50cm行長穗數變異的50以上，結實小穗數、千粒重和穗長變異的40以上，株高的30以上，不孕小穗數的20以上，而只能解釋50cm行長粒重和穗粒數變異的10以下。 -
On average, soil organic matter, total nitrogen, effective phosphorus content improved, but measures of the effective potassium in the soil, and the ph - value, worsened. from the perspective of spatial distribution, however, there is significant variation in soil fertility and quality
這樣，樣本的社會經濟數據也具有可比性；這樣我們就可以討論社會經濟及政策因素和土壤肥力變化之間可能的因果對應關系。 -
Through salinity gradient, the major cations levels can be predicted with a linear mixing model. 2. simulation results show that ph variation within the changjiang estuary has significant effect on solid - liquid partitioning of trace metals
模擬結果表明，長江口微量金屬固-液分配的ph效應顯著， ph的升高增大了微量金屬在泥沙中的分配，並可促使微量金屬元素向泥沙固相中轉移。 -
The most difficult differential solubility techniques to perform are those involving variation of ph or temperature
涉及ph或溫度改變的差別溶解法最難于進行。
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