查询词典 phosphate

The main contents as following:1 Phase separation ability of dipotassium hydrogen phosphate solution was investigated on the conditions of different solvent, different temperature, different pH value and little additional sodium chloride.

实验结果表明：在相同条件下，异丙醇的分相能力大于乙醇；温度对磷酸氢二钾+乙醇／异丙醇+水体系分相能力的影响很小；磷酸氢二钾水溶液的pH值对体系的分相能力影响较大，当pH值较小时，体系不能形成两相，当pH值＞6时，随着pH值的升高，分相能力逐渐增强；外加少量无机盐NaCl，对体系的分相能力影响不大。

The experiment selected a slow release fertilizer and studied the best dosage proportion of the slow fertilizer, dipotassium hydrogen phosphate, DCD as an inhibitor.

对几种有机脲酶抑制剂的抑制效果研究表明，一定浓度的游离态草炭土腐植酸和风化煤腐植酸，对土壤中脲酶活性都有较好的抑制作用，都是良好的有机脲酶抑制剂。

The mobile phase was a mixture of acetonirile-40 mmol·L~(-1) dipotassium hydrogen phosphate solution40∶60,containing 10 mmol·L~(-1 cetrimonium bromide, adjust pH to 7.5 by phosphoric acid and the flow rate was 1.0 mL·min~(-1),with the detection wavelength at 215 nm.

结果马来酸、叶酸和依那普利之间能够达到很好分离；马来酸依那普利的线性范围为202.5~810.0 mg.L-1，r=0.999 8(n=6)，平均回收率为99.91%，RSD=1.15%(n=9)；叶酸的线性范围为16.28~65.12 mg.L-1，r=0.999 8(n=6)，平均回收率为100.11%，RSD=1.20%(n=9)。

Oxalic acid, potassium chloride, ferrous sulfate (FeSO4) and dipotassium hydrogen phosphate (K2HPO4) were used to induce resistance in potato tubersSolarium tuberosum L.

以草酸，KCl，FeSO4，K2HPO4作为激发子，就诱导马铃薯块茎对早疫病的抗性及其机理进行了初步研究。

Oxalic acid, potassium chloride, ferrous sulfate (FeSO4) and dipotassium hydrogen phosphate (K2HPO4) were used to induce resistance in potato tubers Solanum tuberosum L.

以草酸，KCl，FeSO4，K2HPO4作为激发子，就诱导马铃薯块茎对早疫病的抗性及其机理进行了初步研究。

Hydrophilic organic phase/salt containing aqueous system; extraction; liquid-liquid equilibrium; turbidity-density analysis method; L-lysine; dipotassium hydrogen phosphate; ethanol; isopropanol

工程科技II，工业通用技术及设备，工程基础科学亲水有机相/含盐水体系；萃取；液液相平衡；浊度-密度法； L-赖氨酸；磷酸氢二钾；乙醇；异丙醇

A method of new type phosphate-free detergent builder- crystalline layered sodium disilicate with sodium sulfate producing water glass was studied,and the effects of impurities to quality in the raw material were explored.

研究用芒硝生产泡花碱制备新型无磷洗涤助剂层状结晶二硅酸钠的方法，探讨了原料中各种杂质对产品质量的影响及工艺的控制。

Layered sodium disilicate s (Na_2Si_2O_5) have good ion binding capacity, provide appropriate water alkalinity; and may cooperate with other composition in good method, They were considered as excellent non-phosphate detergent builder and have good prospect for substitut.

层状二硅酸钠由于具有优良的阳离子脱除能力、碱性适中、与洗涤剂其它成分配伍性能好被认为是优良的无磷洗涤剂助剂，具有良好的工业前景。

Phosphate-free detergent builder ; sodium disilicate ; composite detergent buil

无磷洗涤助剂；二硅酸钠；复合洗涤助剂

And dissimilatory reduction capability of crystal Ferric phosphate is also investigated when using different organic acid as substrates. Water-extracted soil solutions of SiChuan, JiangXi, JiLin and HuNan were incubated under anoxic atmosphere.

在水稻土浸提液为接种液的富集培养中添加不同浓度的磷酸缓冲液作为磷源，当磷酸盐浓度大于30 mmol/L时，铁还原反应的速率和Fe的产生量相对较低，甚至有抑制作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。