PH-value是什么意思

网络释义

用法例句

Effects of berberine on the expression of LDLR in human liver cell strain Bel-7402;

盐酸小檗硷对人肝Bel-7402细胞株LDLR表达的影响

Acid rain has lowered the pH of high-elevation streams, pushing trout out of their habitat.

酸雨把高海拔溪流的酸硷值降低了，鳟鱼被迫远离家园。

In the wet lab, phenol is tested for pH, solidification point, solubility in water, bromine index, color, and distillation ranges.

在湿的实验室中，酚为酸硷值，团结点被测试,水，溴指标，颜色和蒸馏範围的溶解度。

Acids neutralize alkalis and vice versa.

酸能使硷中和，硷也能使酸中和。

Extraction of Berberine from Phellodendron Amurense Rupr in Acidulous Water and the Newly-found Composition

黄柏中小蘖硷的酸水提制法及新成分发现

Will all microorganisms grow optimally at a neutral pH?

是否所有的微生物在中性酸硷度中都有最佳的生长？

Hydrous magnesium oxysulfate whisker is a new type of fibroid material used as flame retardants and reiforcers.

硷式硫酸镁晶须是新型的阻燃、增强纤维材料，有著广阔的应用前景。

In a concentration of0.1% it is a moderately effective preservative provided that the pH of the preparation is not above5.0.

浓度0.1%制剂是一种有效的防腐剂，但制剂的酸硷度不能在5.0之上。

In a concentration of 0.1% it is a moderately effective preservative provided that the pH of the preparation is not above 5.0.

浓度0.1%的制剂是一种有效的防腐剂，但制剂的酸硷度不能在5.0之上。

Methods The histochemical staining of alkaline phosphatase was used to show microvessel of human body′s flap.

方法应用酶组化法对人体皮瓣的微血管进行硷性磷酸酶染色。

This plant prefers alkaline soil, though it will readily tolerate some acidity.

这种植物在酸性土壤中也能生存，但硷性土壤更加适宜。

Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.

重硫酸盐浆:把木片在苛性钠和硫酸钠溶液内加压蒸煮而成的硷性浆。

Despite this diversity and the fact that certain organisms can grow at extremes of the pH scale, generalities can be made.

纵然有差异而事实上有些生物是可以在极端的酸硷度範围上生长，仍可以得到一些归纳结果。

And some scientists suspect that the acidification of the ocean (or more properly, the reduction in the ocean's slightly alkaline state) also tends to prompt such episodes.

有些科学家认为，海洋酸化（更精确来说，是海洋的微硷状态减弱）也可能导致珊瑚白化。

Water spinach is alkali in nature. It reduces the acidity in the intestines so as to maintain floral stability and probably useful in prevention of cancer.

通菜属硷性，可降低肠道里的酸度，预防肠道细菌群失调，有助预防癌症。

In 33 cases of epilepsy with long-term Dilantin and phenobarbital thera- phy, the serum levels of the calcium, phosphorus and alkaline phosphotase were investigated.

33例长期服用苯妥英和鲁米那的癫痫患者作了血钙,磷及硷性磷酸酶的检测。

kalosis syndrome

低钾血性硷中毒综合征

pH [water quality objective]

酸碱值〔水质指标〕

analysis of soaps-determination of free caustic alkali

肥皂分析-游离苛性硷测定法