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- The number of rhizobia decreased with the pH value of soil reducing. 在不同酸性土壤悬液中,土壤悬液酸性降低,根瘤菌数目随之减少。
- Effect of pH value of soil on strength increasing of the stabilized soil 土样pH值对固化土抗压强度增长的影响研究
- For cast iron pumps, the PH value of medium ranging within 5-9. 铸铁材质的泵,介质PH值在5-9范围内。
- The effect of soil pH value on the bioavailability and fractionation of rare earth elements (REEs) in wheat seedling ( Triticum aestivum L. 采用盆栽实验,研究了土壤酸度对稀土元素在小麦体内的生物可利用性及分馏效应的影响。
- The physical and chemical characteristic of soil (pH value, soil mechanical component, salt content) would directly influence the ,rowth and distribution of moss. 2)土壤的理化性质(PH值、土壤机械组成、盐分含量)直接影响苔藓的生长和分布;
- THE USE OF A NEW MIXED INDICATOR FOR DETERMINATION OF pH VALUE OF SOILS 测定土壤pH的新混合指示剂及其使用
- pH value of soil 土壤pH值
- The average content of each soil is 605. 1, 577. 5, 357. 0. 271. 3 and 149. 2mg/kg respectively. There is a significant positive correlation between available sillcon content and pH value and also clay content of soil. 有效硅平均含量分别为605.;1、577
- There is a correlation between available silicon content and pH value or clay content of soils,except it is influenced by pedogensis. 分析土壤有效硅与土壤理化性状的相关关系,得知有效硅含量与土壤的pH及粘粒含量达极显著和显著水平,此外,有效硅含量还与成土过程有关。
- The COD of simulated wastewater with Aniline aerofloat can hardly be reduced by adjusting the pH value of the solution. 通过调节pH值,也很难降低废水的COD。
- The isolating conditions of the CPP were: pH value of hydrolysate 6.5 and precipitation time 2-4 hours. CPP的沉淀分离条件为:沉淀pH为6.;5,沉淀时间2-4小时。
- All these microspheres showed a restively higher drug loading efficiency at a pH value of about 7. 该制备方法具有一定的普适性,利用该方法可以制备各种无机粒子为核有机聚合物为壳的复合微球,无机粒子可以是其它金属(或其合金)或金属氧化物粒子,通过在其表面覆盖二氧化硅并进一步用硅烷偶联修饰,通过单体的沉淀聚合可以制得复合微球,壳层聚合物不限于聚(N-异丙基丙烯酰胺),也可以是其它聚合物。
- The optimum preparation conditions of copper arsenite are as follows: pH value of solution is 8. 利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化。
- There are some clods of soil on the mat. 垫子上有些土块。
- The value of Q10 of soil respiration increased with soil water content. 土壤水分含量的增加可增加土壤呼吸的Q10。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- TS-1 was synthesized using TPABr as the template and ammonia, n-Butylamine, TEAOH etc. were used to adjust the pH value of the gel. 本论文以TPABr为模板剂,采用氨水、正丁胺、TEAOH等调节凝胶pH值,合成了钛硅分子筛TS-1。
- Unreasonable setting of pH value of the flotation operation stage resulted in low copper grade and recovery during its trial operation. 建厂设计时,分离浮选作业的pH值设定不尽合理,致使试生产阶段铜精矿的品位低,回收率低。
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。