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- The negative air ion concentration in different communities were as follows: lower greenbelt>woodland>weed land>bald land>concrete piazza. 不同植被类型由高到低依次为:花卉绿地>林地>宜林荒草地>裸露地>水泥广场;
- Assessment of air cleanness degree in Beijing using negative air ion concentration as an index 用空气负离子浓度对北京地区空气清洁度进行初步评价
- Study on Variation of Air Ions Concentration in Airtight Darkroom 密闭暗房内空气离子浓度变化规律
- Spatio-temporal changes of negative air ion concentrations in Beijing 北京地区空气负离子浓度时空变化特征的研究
- Negative air ion concentration 空气负离子浓度
- The results show that: the level of air ions concentration was improved significantly by forest vegetations; 研究显示:山林植被提高空气负离子浓度水平显著;
- PH value: Self defines the negative logarithm being hydrogen ion concentration. PH值:本身定义是氢离子浓度的负对数。
- Hint: When solute is added to a saturated solution, there is no change in ion concentration. 提示:当溶质加入已饱和溶液,对离子浓度无影响。
- negative air ions concentration 空气负离子浓度
- If proper ion concentration was given, relatively high activity of RNA polymerase could be shown. 选择了适当的离子浓度能显示较高的rna聚合酶的活性。
- Objective:To observe the effect of ion concentration in staining solution on reticulo-cyte dyeing. 目的:探讨染色液中离子浓度对网织红细胞染色的影响。
- Compared with non-warmed period,the PH is lower and overall ion concentration is higher in warmed period. 取暖期降水的pH值低于非取暖期,取暖期降水的总离子浓度则高于非取暖期。
- Conclusion: Traditional acupoints are characteristic of high oxygen partial pressure and calcium ion concentration. 结论:传统的针灸穴位具有高氧分压和高钙离子浓度特性。
- Influences of temperature and ion concentration on ion migration time in capillary ion analysis are studied. 定量考察了毛细管离子分析中温度及离子浓度对迁移时间的影响。
- The ion concentration of stemming at the water injection well bottom in the block of Jidong Oilfield has been tested. 对冀东油田某区块注水井井底堵塞物的离子含量进行了测定,分析了注水井井底堵塞产生的主要原因。
- Take the average absorbance of your cauliflower homogenate and determine the thiocyanate ion concentration using the previously plotted graph. This has value of 5 marks. 利用前一题所画出来的图,将所有的花椰菜均质液的分光光度计读数(吸光值)平均,并计算花椰菜均质液中硫氰盐的浓度。此题5分。
- During copper etching,the cuprous ion concentration in the etchant would increase which causes an etching rate reduction. 随着蚀铜过程的进行,蚀铜液中的一价铜离子浓度不断增加,造成蚀铜液的蚀铜能力下降。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- Ion concentration analysis and turbidity analysis are used to study the static compatibility of natural sea water and stratum water. 摘要采取离子浓度变化分析及浊度法进行了天然海水与地层水的静态配伍性研究;
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。