玻璃棒

CCD成像在线测量玻璃棒直径的方法研究

Research Into a Method for On-Line CCD Imaging Measurement of the Diameter of Glass Rod

试验比较了几种常用的DNA提取纯化方法，在小鼠基因组DNA提取纯化时，玻璃棒缠绕法和硅基质离心柱法比较实用。

Some methods of DNA extraction and purification were compared in this research and find that the method of glass rod twining and the method of centrifugation column are practical in mice genomic DNA extraction and purification .

在利用TLC法检测某水溶性染料的合成过程中，用细玻璃棒代替毛细管点样，降低薄层展开高度，收到了良好的效果。

A thin glass stick instead of capillary tube was used for the test of the synthesis process of a water-soluble dye by TLC , and the height of TLC was shortened , good results were achieved .

结果表明：花蕾消毒后，置于10mL离心管，加入适量B5-13（B5+13%蔗糖）提取液，用玻璃棒挤压花蕾使小孢子释放出来。

The results showed that : After sterilization , the buds were placed in 10 mL centrifuge tubes , adding appropriate extract B5-13 ( B5 + 13 % sucrose ) medium , and pinched by glass to release microspores .

玻璃棒研磨能够提高蛋白质的浓度；

Glass rod grinding can improve the concentration of protein ;

甩膜用玻璃棒直径为5.21mm。

The diameter of the glass rod for doping is 5.21 mm .

并使用亚像素边缘检测技术精确确定玻璃棒的边缘位置。

Then the sub-pixel edge detection method is used to determine the edges accurately .

设计实验测量了钕玻璃棒的热焦距，测量结果与理论计算值基本吻合；

Experiments for measuring thermal focus length , give accordance with the calculation basically .

大批电子由玻璃棒转移到绸布上。

Large numbers of electrons are transferred from the glass rod to the silk cloth .

最后他又买了一品托纯甘油和一根一英尺长的玻璃棒。

Finally he bought a pint of pure glycerine and a glass rod a foot long .

最后采用直线拟合的方法动态实时获得所测玻璃棒的直径。

Lastly , the beeline fitting method is used to obtain the diameter of the glass rod .

这一结果与已测定的玻璃棒在压缩状态下的流变模型[3]比较表明：玻璃在拉伸和压缩状态下的流变模型存在差异。

The results indicate that the rheological behaviors of glass under compression and tension are obviously different .

研究了处于两种不同聚光器中的磷酸盐和硅酸盐玻璃棒在单次脉冲氙灯光作用下产生的热畸变。

Thermal distortion of phosphate and silicate glasses induced by single pulsed xenon-flash lamp in different condensers are investigated .

提出了一种可应用于玻璃棒直径在线测量的图像测量方法。

This paper presents an on-line image measurement method that can be used to measure the diameter of glass rod .

根据玻璃棒图像的特点，使用图像处理技术提取玻璃棒的轮廓边缘信息；

Secondly , based on the characteristics of the image , the image edge of the glass rod is detected .

如果没有结晶形成，可以用玻璃棒刮一下烧瓶的瓶壁以诱导结晶形成。

If no crystals form , scratch the sides of the flask with a glass rod in order to induce crystallization .

里面有玻璃棒可帮助你在摇晃时使铁粉均匀的散布。

You shake the unit to distribute the filing evenly , with the help of a glass rod that 's sealed inside .

纵向的显微镜下观察时，合成纤维，通常会出现一个表面光滑或横纹肌玻璃棒。

When viewed under the microscope longitudinally , synthetic fibers usually appear as glass rods with either a smooth or striated surface .

其方法代替了传统的手工测量，而且易于机器自动反馈控制玻璃棒的直径变化。

The method not only can substitute traditional manual measurement , but also can control the change of the diameter by machine conveniently .

所述常温测温计是一种具有护套的玻璃棒式温度计，它能够现场显示被测点温度值。

The normal-temperature thermoscope is a glass-stem thermometer with a sheath , which can display the temperature value of the measured point on site .

基于拍频莫尔条纹的长焦距测量方法设计实验测量了钕玻璃棒的热焦距，测量结果与理论计算值基本吻合；

Measurement of Long Focal Length Utilizing Talbot Effect and Morie Technique Experiments for measuring thermal focus length , give accordance with the calculation basically .

但将其搅拌后，这种“水”溶液就会变得像糖浆一样粘稠，粘附在玻璃棒上，形成细如发丝的长丝。

But when it is stirred , the " water " turns out to be as sticky as molasses , clinging to a glass rod and forming long , hair-thin threads .

以透明玻璃棒和透明鱼线为试样，依据光色散原理，研究了纤维笛卡尔线的色散现象和规律。

Taking the transparent glass rod and the transparent fishline as the test specimen , and light dispersiveness principle as the basis , we study the dispersiveness phenomenon and disciplinarian of Descartes ray .

在计算机模拟的基础上，讨论了计算参数和玻璃棒半径大小对获得最佳折射率分布时的离子交换时间的影响。

Based on the simulation by computer , effects of parameters in calculation and size of rod radius on the ion exchange time of optimum refractive index distribution in glass rod lens are discussed .

小鸟也会从雾气中飞出来，一直飞到高空中发光的地方，停在半空中晒太阳，或者，它们降落在把草地隔离起来的湿栏杆上，这时的栏杆闪闪发亮，像玻璃棒一样。

Birds would soar through it into the upper radiance , and hang on the wing sunning themselves , or alight on the wet rails subdividing the mead , which now shone like glass rods .

本文针对提高填充系数这一问题，首先研制方形自聚焦透镜，并提出了两种研制方案：其一，先对圆柱形玻璃棒进行离子交换，再加工成方柱棒；

This article 's aims to enhance space factor , first develops the square self-focusing lens , and proposes two kinds of methods : First , carries on the ionic exchange then makes the cylindrical glass rod to the square glass ;

“中国：镜花水月”展上包括用发光树脂玻璃棒做成的实物大小的竹林；香港导演王家卫编排的电影剪辑；以及从旗袍到上身为青花瓷图案的当代连衣裙等各种服装。

The China show incorporated a life-size bamboo forest of illuminated Plexiglas wands , film selections assembled by the Hong Kong director Wong Kar Wai and costumes ranging from imperial robes to a contemporary dress with a bodice made from blue-and-white porcelain .

由于我们对激光电气控制系统和钕玻璃棒的参数等作了较为周密的考虑和设计，已研制成一套能长时间稳定输出中等能量的钕玻璃激光焊接系统，并成功地用于工业生产。

Designing carefully the electric control system and selecting the param - eters of Nd ~ ( 3 + ): glass rod , we have developed a set of Nd ~ ( 3 + ): glass Laser welder which has already been applied to industry .

玻璃砂浆棒法评价掺合料抑制ASR效果的研究

Study on effectiveness of mineral admixtures for suppressing ASR expansion by using glass mortar bar test

采用玻璃砂浆棒法，试验研究了偏高岭土煅烧温度和掺量对抑制ASR的影响，并比较了偏高岭土、粉煤灰、硅灰和矿渣对ASR的抑制效果。

The influence of the calcining temperature and the content of metakaolin in controlling the ASR was researched and the relative effectiveness of metakaolin , silica fume , slag and fly ash in reducing expansion due to the ASR was compared by the method of the glass motor bar test .