设计单波长准直光透射实验并通过实验测量组织模拟样品的总衰减系数;
Single wavelength collimation transmittance experiment is designed and conducted, with total effective attenuation coefficient of tissue phantoms being obtained.
声波透射实验表明,对于板状材料,声音的一部分能量可以透射到空气中。
It is demonstrated that some of the energy of the sonic wave in a plate material can transmit into the air.
实验末分别测定血清和肺组织匀浆的血管紧张素转换酶(ace)活性,并以透射电镜观察肺泡毛细血管膜的变化。
At the end of the study, the rats were killed, ACE activity in serum and lung homogenate was assayed, and the alveolar-capillary membrane was observed by transmission electron microscope.
本文介绍一种用透射光做牛顿环实验的方法,并从理论上证明了这种方法的可行性。
A method of making Newton rings experiment with the transmission light is introduced. The feasibility of the method is proved in theory.
射线衍射和透射电子显微镜实验不但证实它的非晶性,而且给出它的平均颗粒度大小和晶化产物。
X-ray diffraction and transmission electron microscope experiments indicate the powder sample is amorphous and also show the average particle size and crystallization products.
在进行聚合实验之前,首先测定了聚合材料的透射光谱。
The transmission spectrum of the polymeric material was firstly measured before the polymerization experiment.
介绍了将商用透射电镜JEM- 2000 EX改造为高能电子束曝光系统的研制工作,在现阶段研制工作的基础上进行了曝光实验。
The research work about modifying a commercial transmission electron microscope (JEM-2000EX) into a lithography system is introduced, and the experiments are carried out on this system.
采用定量酶细胞化学、凝集素亲合细胞化学、透射电镜、扫描电镜及吞噬实验观察P M的结构和功能变化。
The structure and function of PM were observed with quantitative cytochemistry, lectinaffinitive cytochemistry, transmission and scanning electron microscope and phagocytic test.
通过实验测试,该形式棱镜的透射比均在95%以上,消光比优于10。
The experiment indicate that the transmittance of the prism is more than 95 %, and the extinction ratio is better than 10~(-5).
应用透射式的光热偏转光谱技术,建立了一套实验装置。
An experimental setup was established used for transmission photothermal deflection technique.
实验结果表明对于高增益的准分子激光,采用部份透射镜作耦合输出的混合型非稳腔可以使准分子激光的发散角减小到毫弧度量级。
The experimental results showed that good beam quality was obtained with a hybrid unstable resonator in which useful output energy was obtained by transmission through a partially transparent mirror.
通过观察它的透射光强,并与理论值进行比较,达到用实验观察来检验理论预期的目的。
The transmission light intensity is observed and compared with theoretical value, and the results show that the device achieves the expectant purpose of verifying theory by the experiment observation.
通过实验研究确定了散射光浊度和透射光浊度之间的关系。
The relation between scattering-light and transmission-light turbidity is determined by experiment and research.
实验方法与结果首先对纳米碳酸钙和晶须碳酸钙及聚l -乳酸(PLLA)进行光镜、扫描电镜、透射电镜的检测。
Methods and ResultsAt first, we tested calcium carbonate whisker, nanometer calcium carbonate and PLLA by light microscope, scanning electron microscope and transmission electron microscope.
本实验用放线菌酮处理大鼠建造细胞调亡模型。用透射电镜观察大鼠胸腺、脾脏和肠系膜淋巴结淋巴细胞的超微结构。
Using the rats treated with cycloheximide as experimental models of apoptosis, lymphocyte ultrastructures of the thymus, spleen and lymph nodes were observed with transmission electron microscope.
将透射频谱的理论值与实验值实现最佳拟合,具体反演得到了金属板的杨氏模量和泊松比。
Based on the best matching between the computed and the measured transmission spectra, the Young's modulus and Poisson's ratio of the plate are reconstructed.
在一般的近代物理实验教材中,关于电子衍射实验采用的是晶体表面反射衍射或金属箔透射衍射。
The experiment methods are generally crystal surface reflection or metallic foil projection in the textbooks of modern physics experiments.
循环实验中,薄膜呈现黄色到绿色的可逆变化,最大的透射率变化达到30%左右;
During the cycle experiment, the films exhibited reversible two-color (yellow at oxidation and green at reduction) with a maximum transmittance change of around 30%.
本文研究了有限长充水圆柱置于水中,外声场透射形成的腔内声场自适应有源控制实验研究。
In this paper, an experimental study on adaptive active control of sound trans-mission through a finite length water-filled cylinder in underwater is carried out.
经测试,证明透射光强和磁场关系的实验结果和理论结果非常符合。
It is proved that the experimental result of the relationship between transmitted laser power and magnetic field matches well with the theoretical result after test.
通过实验给出了三元组合双折射滤光片的透射曲线,其透射光谱带宽较窄,次峰被抑制在10%以下。
The transmission curve of birefringent filter is given experimentally. Its transmission bandwidth is very narrow and all the sub-peaks are suppressed fewer than 10%.
进行了光纤甲烷测量系统的实验研究,包括LED光谱特性,透射光强度与甲烷气体浓度的关系以及标定结果等。
Experimental research has been completed including LED spectrum characteristics, relationship between transmission light intensity and CH4 density, result analysis and calibration.
实验结果表明太赫兹辐射对大多数包装材料有很高的透射特性,可以作为在安全检查领域中的一项有效手段。
The results show that terahertz radiation has strong penetrability to most of wrappers, and the technology can become an effective means in the field of security inspection.
实验采用了内转换电子谱、X射线散射谱及透射谱的测量。
The methods used include the internal conversion electron spectroscopy, the X ray scattering spectroscopy and conventional transmission Mossbauer spectroscopy.
叙述了利用热中子透射计测石油管道内油垢厚度的原理、实验和结论。
The principle and experiments on the measurement of grease stain in petroleum pipeline using the thermal neutron gauge were reported.
实验中发现,透射光强曲线随着入射角的微小变化而偏离马吕斯定律,出现了周期性扰动。
It is found that the variation of the transmitted intensity with the rotation Angle deviates from Malus law, exhibiting a cyclic fluctuation with the rotation Angle.
实验并未发现PAF引起明显的细胞凋亡增加,但透射电镜下出现了紧密连接的断裂和细胞超微结构的破坏。
There was no positive result of apoptosis even given high dose of PAF, but tight junction fracture and cell ultra structure damage appeared under transmission electron microscopy.
我们理论和实验上分析了该新型滤波器透射特性,并在此基础上通过调节PC实现了双波长和各自单波长输出的环形腔光纤激光器。
We theoretically and experimentally analyze the transmission traits of novel Sagnac loop, and realize dual-wavelength and single wavelength output switchable ring fiber laser through adjusting PCs.
电镀薄片可以用来制备光学显微镜、扫描电镜及透射电镜的观察样品,而且可以用来进行粉末的热片进及业余末的显微维氏硬度测试等实验。
The plated sheet can be used to prepare the specimen for optical microscopy, SEM and TEM, it can also be used for the heat-treatment and the microhardness test of the powders.
透射电镜和体外血管生成实验分别检测内皮特异性结构和内皮细胞功能。
The specific structure and function of endothelial cells were observed by transmission electron microscopy and in vitro angiogenesis assay kit, respectively.
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