Objective: To study distribution of blood supply for the tumors ( diameter ≤ 10mm) of transplanted hepatoma of rat in order to clarify whether the modal could be served as an ideal experimental animal to evaluate the sensitivity of imaging modalities in detecting micro-hepatoma. 目的:研究大鼠移植性肝癌(直径≤10mm)的血供情况,以此来确定该模型能否作为影像诊断技术进行微小肝癌检出敏感性研究的理想实验动物。
The concept of equivalent absorbance is proposed. Under ideal conditons and without the consideration of noise, the sensitivity and the optical path corresponding to optimal sensitivity are derived for the absorptiometer that uses software for A/ D conversion. 提出了等效吸光度的概念,在不考虑噪声的理想情况下,推导出以软件完成AD变换的光电吸收式仪器的灵敏度及最佳灵敏度对应的光程。
Ammonium nitrate is an ideal oxidizer of low vulnerable propellant with the lowest sensitivity. 硝酸铵具有非常低的冲击感度和摩擦感度,是理想的低易损性推进剂的氧化剂。
In the thesis, negative resistance character curves of magnetic-transistor has been analyzed simply and discussed so that ideal design project has been presented to further enhance magnetic-transistor magnetic sensitivity. 本文同时对实验结果中所出现的硅磁敏三极管样品负阻特性曲线进行简单分析、讨论,为进一步提高硅磁敏三极管磁灵敏度等性能提出了优化的设计方案。
It was shown that the combination of liquid core waveguide and the Δ I measurement was an ideal strategy to improve the sensitivity of spectrophotometry. 本文评述了液芯波导在吸收光度法中的最新进展,指出光强度差测量模式与长程吸收技术的结合将是提高光度法灵敏度的一种新的重要手段。
The technique of the differential optical absorption spectroscopy ( DOAS) provides an ideal tool for air quality monitoring with the advantages of multiple pollutant components, high sensitivity and continuous on-line measurement. 差分吸收光谱学技术以其多组份、高灵敏、连续实时在线的测量方式正成为空气质量监测的理想工具,是空气质量污染指标常规在线监测技术的发展方向。
The ideal receiver should intercept signal from all direction, all frequencies and all modulation patterns in real time, and it must have high sensitivity. 理想的接收机应当能够实时截获各个方向、所有频率、所有调制方式的威胁信号,并具有极高的灵敏度。
It is an ideal method for trace gas detection and industrial combustion control due to its advantages of high sensitivity, high selectivity, quick response, on-line measurement. 这种方法具有高灵敏、高选择性、快速响应、在线测量等诸多优点。
Ideal volume holographic storage material should have high refractive index modulation, low scattering noise, high recording sensitivity and large dynamic range. 理想的体全息存储材料应具有高折效率调制度、低噪声、高记录灵敏度以及较大的动态范围。
It is necessary to find an ideal radiosensitizer, which can not only inhibit the growth of colorectal cancer cells but also increase the sensitivity to radiation therapy. 寻找一种理想的放疗增敏剂,既可以抑制肿瘤细胞生长,又能增加肿瘤细胞对放疗的敏感性,成为当前抗肿瘤研究的一个重要方向。
Nanocrystalline TiO2 film, with advantages of simple process, stable physical and chemical properties, large surface area, high photoelectric activity, is a ideal material for making low cost ultraviolet detector with high sensitivity. 纳米TiO2薄膜具有制备工艺简单、物理和化学性质稳定、表面积大、光电活性高等诸多优点,是制造低成本、高灵敏度紫外探测器的理想材料。
The ring laser gyro is the ideal angular sensor for the inertial system. Compared to the conventional spinning gyro, it is characteristic of high sensitivity, high accuracy and large dynamic range. 激光陀螺与传统的机电陀螺相比具有高灵敏度、高精度、大动态范围的特点,是惯性系统的理想角速度传感器。