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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Result The results showed that 34 compounds of the volatile oil were identified, which accounted for 90.10% of all. The main chemical compounds were camphene (10.030%), beta-pinene (8.826%), limonene (7.935%), caryophyllene (12.457%). The antibacterial experiments of the volatile oil showed that the volatile oil had antibacterial activities to Staphylococcus aureus, but had no inhibition against Escherichia coil and Rhodotorula glutinis.
结果]经毛细管色谱分析分离,共确认出其中34种成分,所鉴定出化学成分的质量占总量的90.10%以上,应用色谱峰面积归一法分析各成分的质量分数,其主要化学成分是莰烯(10.030%)、-β-蒎烯(8.826%)、柠檬油(7.935%)、丁子香烯(12.457%);并发现其化学成分对金黄色葡萄球菌有较强的抑制作用,对大肠杆菌、红酵母无明显作用。
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According to the specific state of molecules in the adhesive layer,and by usingthe principle of minimum potential energy in stable equilibrium,the energy sources of capillarity phenomena is introduced and the formula of liquid height in capillary is giv-en.
本文根据附着层中分子所处的特殊状态,利用稳定平衡时势能最小的原理,论述了毛细现象中能量的来源问题,并导出了毛细管中液柱的高度公式。
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Mercury contained in a bulb at the bottom of a graduated sealed capillary tube expands with a rise in temperature causing a thin thread of mercury to rise in the tube .
在密封的毛细管内的底部有装有水银的球状物,向上通有小管随着温度的上升水银会上升。
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Measuring the coefficient of dynamic viscosity of 0-60g/l salt water under 10-30℃ by capillary tube viscosimeter, and performing the mathematical regression of coefficient of dynamic viscosity about temperature and concentration in order to realize the influence of temperature and concentration on dynamic viscosity of salt water.
2为了解温度和浓度对咸水粘滞系数的影响,使用品氏毛细管粘度计测定10—30℃下,浓度在0—60g/l之间的咸水的粘滞系数,并对咸水粘滞系数进行了浓度和温度的数学回归
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It is meant that for each pair of capillaries the specific time taken to establish equilibrium values of the capillary constant will be obtained.
浓度。这意味着,每对毛细血管的具体时间,建立平衡的价值观毛细管常数,将得到的。这时间,将显着大于需一段时间才能建立平衡的压力,在实验细胞[ 38 ] 。
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Water potential is also affected by capillary forces, especially in the narrow tubes of the xylem; and in the interstices of cell walls, and by imbibitional forces.
水势可以收到毛细管作用力的影响,在木质部的狭窄管道和细胞壁的缝隙中尤为明显;水势还会受到到液体吸力的影响。
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Large-volume injection in capillary gas chromatography was developed for determining the trace components in environmental samples and for reducing the need for cleanup step, also for on-line connection of liquid chromatography with CGC. The key features of the LVI include sample retained by a large capacity volume liner or a retention gap, and solvent vapor eliminated by solvent vapor exit.
在毛细管气相色谱法中,采用大体积进样技术,即使用能够容纳大体积样品的进样装置以及增加可控时间的溶剂蒸汽放空装置,可以满足环境样品中超痕量组分的分析要求,简化样品浓缩步骤以及实现液相色谱与CGC的在线联用。
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Sodium borate was chosen as the buffer andα- naphthylamine and NaBH3CN as the derivation agents. The optimal conditions were 60 mM pH 11 sodium borate buffer, 1.0 psi pressure injection for 90s. Compared with the normal CZE method, the detection sensitivity of glucose was enhanced by more than 20 times, and that of fructose nearly 60 times.
本文的最后一部分,选用硼砂作为缓冲液,以α-萘胺及NaBH3CN作为衍生化试剂,探索了采用场放大进样方法,用毛细管电泳对葡萄糖和果糖进行分离和富集的实验条件,最优的实验条件为60 mM,pH 11.0硼砂缓冲液,1.0 psi压力进样90s,和常规方法相比,葡萄糖的检测灵敏度提高了20多倍,果糖提高了近60倍。
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According to previous experimental data, it is found that the buoyancy and capillary force are effected by reservoir temperature and pressure, and the boundary height of natural gas coming-up so on.
根据前人的实验数据,通过理论计算发现,浮力和毛细管力均受地层温度和压力的影响,气体在储层中上浮的临界高度随地层温度和压力的降低而增大。
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The PCR products were detected by both agarose gel electrophoresis and capillary electrophoresis in order to compare their sensitivity. Results Capillary electrophoresis detected the 1/600 of the PCR product from 20 picogram of male DNA, as amount of DNA in 3-4 cells.
结果 毛细管电泳可检测到20 pg男性模板DNA(相当于3-4个细胞中的DNA含量)PCR扩增产物总量的1/600,琼脂糖凝胶电泳可检测到74 pg男性模板DNA(相当于13个细胞中的DNA含量)PCR扩增产物总量的1/3。
- 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。