毛细管的
- 与 毛细管的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The basic principle,advantage,disadvantage and the improvement for measuring liquid surface tension with different methods were described.The methods were capillary rise method,Wilhelmy plate method,pendent drop method,drop volume method,maximum bubble pressure method.The problems in the surface tension measurement of wide temperature and pressure range,the chos...
本文着重介绍了几种液体表面张力的测定方法(包括毛细管上升法、Wilhelmy盘法、悬滴法、滴体积法、最大气泡压力法),包括这几种方法的测定原理、优缺点及改进方法,特别指出了宽温度和压力范围的表面张力测定存在的问题,实验方法的选择及表面张力测定方法的发展趋势。
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The ear edema of the normal and adrenalectomized mice induced by croton oil, vascular permeability formed by histamine in mice and hind paw edema caused by Carrageenin in rats were used to determine the inhibition to acute inflammnation.
提取物对急性炎症的抑制作用采用巴豆油引起的正常小鼠和摘除肾上腺小鼠的耳肿胀、组胺引起的小鼠毛细管通透性以及角叉菜胶引起的大鼠足肿胀进行分析。
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Results of experiment and theoretical analysis indicate that free water movement in wood under floating pressure consists of two parts, one is mass movement caused b capillary pressure, the other is the movement of water vapor produced by evaporation or ebullition of free water, and the latter dominates the moving process of free water.
试验结果和理论分析显示,在真空-浮压干燥过程中自由水的输运由两部分完成,一部分为毛细管压力下液体的团块迁移;另一部分为在压力梯度下,由于压力波动而引起自由水的蒸发或沸腾后所产生的水蒸气的迁移,且后者在自由水的迁移过程中占主导地位。
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The mechanism of wetting and electroosmosis of carbon cathode is discussed by the application of surface and capillary chemistry theories, on the basis of determination of relative phenomena in this melts; The hysteresis effect of wetting angle is studied and the velocity equation of carbon cathode electroosmosis is deduced.
归纳了熔液中碳溶胶、CO〓溶胶以及Al〓C〓胶体稳定性的影响因素。(6)根据对熔液中炭阴极湿润和电渗现象的研究,通过界面化学理论和毛细管界面理论的应用,讨论了熔液中炭阴极湿润和电渗机理。研究了熔液中炭阴极湿润角滞后效应产生的原因在于测量时体系的不平衡。推导了炭阴极电渗速率的理论方程。
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It was found that the time taken to establish equilibrium values of the capillary constant depends on the level of the meniscus of the liquid phase of the ROS with respect to the level of the liquid in the experimental cell and, as mentioned above, on the temperature and
结果发现,所需要的时间来建立平衡的价值观毛细管常数,就看水平,半月板的液相中的活性氧与尊重级的液体在实验细胞,而正如上文所述,对温度及
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This polywater, made by ex posing very fine glass capillanes to a saturated atmosphere of water vapor, was very viscous, dense and had a refractive index similar to that of glass.
通过将非常纤细的玻璃毛细管放在饱和的水蒸气中产生的这种"聚合水"的粘滞性和密度都很大,其折射系数与玻璃的相似。
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The method on trans fatty acids analysis in food is very important. The effects of methylate sodium, potassium hydroxide, sulfuric acid and boron trifluoride in methanol and their different concentration and dosage on TFA analysis were studied. The chromatographic condition and the influence of time and temperature on the esterifation of TFA using boron trifluoride in methanol were optimized. A method for analyzing TFA were established by GC based on boron trifluoride in methanol and RT-2560(100m×0.25mm×0.2μm) capillary column.
研究了甲醇钠-甲醇、氢氧化钾-甲醇、浓硫酸-甲醇和三氟化硼-甲醇4种甲酯化试剂的浓度、用量及甲酯化时间和温度对反式脂肪酸检测的影响,优化了色谱条件,建立了以三氟化硼-甲醇法甲酯化,RT-2560(100m×0.25mm×0.2μm)毛细管柱为基础的反式脂肪酸气相色谱检测方法,C18:1-9 t, C18:1-11 t, C18:2-9 t, 12 t和C22:1-13 t 4种反式脂肪酸的最小检出浓度在0.774.08 mg/kg之间。4种反式脂肪酸不同添标浓度回收率为98.44%101.23%,重复测定的相对标准差在0.22%1.31%之间,有较好的准确度和重现性。
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Chapter 7 A Fused Silica PLOT Column Prepared with Nanotube Titanic Acid Adsorbent and the Influence of Treatment on Its Behavior In the chapter, the nanotubed titanic acid H〓Ti〓O〓(OH 〓 was synthesized in our laboratory, morphology and structure of nanotubed titanic acid was investigated, a fused silica PLOT column was prepared with used that as a new kind of stationary phase in gas-solid adsorption chromatography.
第七章 钛酸纳米管PLOT石英毛细管色谱柱的制备及热处理对色谱保留性能影响研究在实验室合成了具有较大比表面积和纳米管特性的钛酸纳米管,对其热处理前后的形貌和结构进行了表征,将其作为气-固色谱吸附剂制备出一种新型钛酸纳米管PLOT石英毛细管柱,同时考察了这种纳米管结构的钛酸作为固定相对C〓~C〓烷烃混合物、空气、SF〓以及CO和CO〓的分离能力。
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In Chapter 5 a group of total differential equations for the design of capillarysuction tube with heat recovery exchanger is presented. The calculation results and factors having great influence on the results are given and discussed.
第五章建立了毛细管回热器设计计算的常微分方程组,分析了有关参数取值对计算结果的影响,讨论了当回热段全部或主要处于汽液两相区域时,回热的起始位置、换热温差等因素对于计算结果的影响非常敏感的原因。
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Injection molding feed of Fe-Ni-Cu-C alloy coarse powder with particle size of 60um was prepared, effect of rate of shear, temperature and proportion of powder and binder to rheological behavior of feed was studied, viscosity number of three kinds of feed in different temperature was measured by capillary viscosimeter strain sensitivity factor three kinds of feed with different component were compared.
制备了平均粒度为60m的Fe-Ni-Cu-C合金粗粉汁射成形喂料,研究了剪切速率、温度、粉末和粘结剂比例对喂料流变行为的影响,应用毛细管粘度计测量了三种喂料在不同温度下的粘度值,比较了三种不同成分喂料的应变敏感性因子的大小。
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而,要让一个真正的引用,你需要提供详细的个人和财务信息。