查询词典 detector

We proposed a novel digital thermal microscope based on the uncooled focal plane detector.

介绍了系统的工作原理、系统构成、工作过程。

The ferroelectric-thin-film pixel is an essential element in uncooled infrared focal plane array of an infrared detector.

非制冷红外探测器内的铁电薄膜微桥是多层的结构体系。

Objective To determine the accuracy of low-dose unenhanced 16-detector helical computed tomography in the detection of nephrolithiasis and ureterolithiasis.

目的 评价16层螺旋CT低剂量平扫对肾及输尿管结石的诊断价值。

The using of the fiber-optic detector can decrease the loss of light energy to reduce the unorder light's effect and can make the testing system flexible.

集光系统主要是指用于光能收集和传输的光纤探头，光纤探头的使用一方面使光能损失减少，不受环境杂散光影响，另一方面灵活性大，便于测量样品各个部位的颜色，实现微区测量。

An RF power meter is basically an untuned RF sensor or detector followed by signal-processing circuitry consisting of DC or AC-DC amplification stages and analog-to-digital-conversion stages Fig.

一般功率计的信号链路如图1所示，由一个未调谐的射频传感器或检测器，后面是包括 DC 或者 AC-DC 放大环节和 ADC 环节组成的信号处理电路。

High accuracy for the detection of nephrolithiasis and ureterolithiasis is obtained and the radiation dose significantly decreased by using unenhanced 16-detector helical CT performed at a reduced tube current of 60mAs for the patients less than 90 kg.

对于体重＜90kg的病人，在16层螺旋CT，管电流为60mAS的低剂量平扫诊断肾及输尿管结石能够获得高的准确率，并且明显降低病人的放射剂量。

The output power could be adjusted with the change of control voltage, and the reflecting power could be gotten by measuring the output voltage of attenuator and detector. 4.The thrust measurement device was calibrated, and the accuracy was 2%FS. At the same time the signal of thrust measurement was input to the computer. E-type chromel-constantan thermocouple was used to measure the temperature of MPT, and the accuracy was 5%FS.The vacuum measurement was realized by using ZDF-5427M vacuometer, and the accuracy was 3%FS.

4对推力测量系统进行了标定并实现了计算机采集，推力测量系统最大相对误差为2％FS；温度测量目前还只限于对MPT谐振腔壁温的测量，使用E型镍铬—康铜热电偶即可较容易实现，其测量精度为5％FS；真空测量采用ZDF-5427M微机型复合真空计，其由热偶计和热阴极电离计复合而成，该真空计测量控制精度为3％FS。

The optimal chromatographic conditions as following: velocity of nitrogen, hydrogen and air is 35ml/min,25 ml/min, and 300 ml/min respectively; temperature of column and vaporing chamber is 45,100 respectively; temperature of detector is 120℃.

对所制柱子的色谱条件进行系统研究表明，该柱使用温度低，使用温度范围20℃-48℃，可进行常温分析。

In order to know the evolutionary relationships between false vein, ISC, and VSC in Pteridaceae, 19 grnera and 82 species in Pteridaceae were sampled in this study; silica deposition types, ordinary epidermal cell morphology and veinal epidermal cells morphology of these species were surveyed. On the other hand, a convenient method was developed for this goal. In this method, a tabletop SEM with backscattered electron detector accompanied by post-cooling method was used.

为进一步探讨凤尾蕨科假脉、脉间矽异形细胞与脉上矽异形细胞之间的关系及其於凤尾蕨科内的演化，本论文选取19属82种的凤尾蕨科植物，观察其叶表面之二氧化矽堆积型式、一般表皮细胞形态以及脉上表皮细胞形态；同时，也开发出利用侦测背向散射电子之桌上型扫描式电子显微镜配合后冷却技术(post-cooling method)之快速检测法，该方法利用背向散射电子讯号强弱与平均原子数(average atomic number， Z number)之相关性得到矽异形细胞与一般表皮细胞具有明显对比之影像。

［Objective］ To investigate the feasibility and clinical value of Three-dimension Reconstruction with Multiple Detector-row Spiral CT by vesical insufflations in the diagnosis of bladder carcinoma.

［目的］探讨膀胱注气法多层CT三维成像在膀胱肿瘤诊断中的临床价值。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。