钾

Under the basic condition, benzylacetone (1) was prepared by condensation with benzaldehyde and acetone.

以苯甲醛和丙酮为原料，氟化钾氧化铝作催化剂合成了苄叉丙酮。

The effects of reactant ratio, catalyst amount, reaction time and temperature on the yield of p-nitro-ethyl benzoate were discussed.

以硫酸氢钾为催化剂，合成对硝基苯甲酸乙酯，并对影响产率的诸因素进行了考察。

P-Nitro-ethyl benzoate was synthesized with potassium bisulfate as catalyst for the first time.

以硫酸氢钾为催化剂，合成对硝基苯甲酸乙酯，并对影响产率的诸因素进行了考察。

This paper discussed the optimal conditions for the determination of residual alcohol in the fermented mash for Chinese highly-flavored liquor, using potassium bichromate colorimetry.

研究了重铬酸钾比色法检测浓香型白酒发酵糟醅中残余酒精含量的最佳测定条件。

The additives chosen are the sodium dodecyl benzene sulfonate and potassium bichromate respectively.

分别以十二烷基苯磺酸钠和重铬酸钾作为添加剂，在有效添加剂量为40mg/kg时，0.177mm以上硫酸钠筛上物分别为67.18%和51.12%。

We analyse the adjustment of the birch reeds to the cold and drought from the conductance, K+ filtrate, SOD, POD, MDA, content of the water-soluble protein, penetration of the bioplasm film, photosynthesis and fluorescence.

3通过对欧洲优良无性系在寒冷、干旱的胁迫下电导率、钾离子的渗透率、酶促防御系统，膜质过氧化物，可溶性蛋白含量、原生膜透性和光合、荧光等生理指标的变化，对欧洲白桦优良无性系苗期的适应性进行分析。

Quartz and K-feldspar can be divided into two generations, but biotite crystallized later.

石英、钾长石都具两个或多个世代，黑云母多结晶较晚。

In this paper, we have studied the content of the capsular polysaccharides of Bacillus mucilaginosus KO1 and the capability of the bacterial potassium-releasing from K-feldspar and biotite in the medium containing nitrogen or free of nitrogen.

研究了胶质芽孢杆菌KO1菌株在不同培养条件下，其荚膜多糖含量随时间的变化以及菌株在有氮、无氮培养基中的解钾作用。

The yield of biotype fertilizer I treatment is higher significantly than other treatments.

减少化肥用量的生物型肥处理与常规施肥相比，氮、磷、钾的利用率分别提高11.8%、18.9%和26.6%。

Object To study the effect of bismuth potassium glycyrrhizate on gastric ulcers in rat.

目的 研究甘草酸铋钾对胃溃疡的影响。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷