查询词典 Westphal balance
- 与 Westphal balance 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Fill the glass cylinder of the Westphal balance with freshly boiled and cooled water to about 80% of the volume.
取20°C时相对密度为1的韦氏比重秤,用新沸过的冷水将所附玻璃圆筒装至八分满,置20°C(或各品种项下规定的温度)的水浴中,挑动玻璃圆筒内的水,调节温度至20°C(或各品种项下规定的温度
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In some cased, the Westphal balance is used, for example, in the determination of the relative density of a volatile liquid.
液体药品的相对密度,一般用比重瓶测定;测定易挥发液体的相对密度,可用韦氏比重秤。
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First, this paper reports measurements of surface tension of ionic liquid EMIES (1-ethyl-3-methylimidazolium ethyl sulfate) using the forced bubble method at 278.15 to 323.15 K and densities of EMIES using Westphal balance at 278.15 to
为此,本文以廉价工业原料合成的硫酸乙酯—1—甲基—3—乙基咪唑EMIES和对水、空气都稳定的离子液体BMIBF_4为主要对象,使用密度法和最大气泡法等实验方法对这两种离子液体及其EMIES的水溶液的性质作了如下研究工作:在278.15—338.15K范围内用Westphal天平测定了EMIES和BMIBF_4的密度,用最大气泡法测定了纯离子液体EMIES和BMIB_4的表面张力。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。