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scan
相关语句
  扫描
     Moving Target Detection and Tracking Technology of Infrared Rosette Scan Imaging and Its DSP Real-time Realization
     红外扫描成像动目标检测跟踪技术与DSP实时实现
短句来源
     Genome-wide Scan of Graves' Disease in Chinese Han Pedigrees and Epidemiological Study in Pedigrees
     中国汉族Graves病的全基因组扫描基因定位研究及家系流行病学调查
短句来源
     An Evaluation of Brain Scan in the Diagnosis of Brain Tumors-Analysis of 150 Cases
     脑扫描诊断脑瘤的临床评价——手术疒理证实的150例分析
短句来源
     ~(111)In ZHENGGUANGMYCIN:ITS DISTRIBUTION INTUMORBEARING MICE AND PRELIMINARY CLINICAL APPLICATION IN LUNG CANCER SCAN
     ~(111)铟-争光霉素在肿瘤动物中的分布及其在肺癌扫描中的应用
短句来源
     Application of Charge Coupled Devices(CCD) in Scan Camera
     电荷耦合器件(CCD)在扫描相机中的应用
短句来源
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  检查
     The Investigation of the Value of CT Scan in Guiding the Treatment of Cerebral Vascular Disease—Report of 28 Cases
     CT检查对指导脑血管病治疗价值的探讨——附28例报告
短句来源
     Clinical & CT Scan Studies of 84 Cases of Cerebral Infarction
     84例脑梗塞的临床与CT检查
短句来源
     CT Scan of Hemorrhagic Cerebral Infarction
     出血性脑梗塞的CT检查
短句来源
     B—Scan Ultrasonography for the Ocular Injury
     眼外伤的B超检查
短句来源
     ANALYSIS OF 40 CASES WITH SPORADIC ENCEPHALITIS BY CT SCAN
     散发性脑炎与脑CT检查(附40例分析)
短句来源
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     Experimental Study of the Logarithmic Amplifier as Applied to the Conical Scan Radar
     锥方式雷达加装对数放大器的实验研究
短句来源
     Diagnosis of Chronic Subdural Hemorrhage by Ultrasonic Sector Scan——A Study of 36 Cases
     超声扇形查诊断慢性硬脑膜下血肿36例的探讨
短句来源
     Stepped-Frequency Technique with High Range Resolution and Its Applications to Conical Scan Systems
     频率步进高距离分辨技术在圆锥体制中的应用
短句来源
     7 cases were all examined by CT and MR plan scan,2 cases were examined by CT enhancement scan,7 cases were examined by MR enhancement scan,5 cases by MR diffusion weighted imaging and 6 cases by MR proton spectroscopy.
     资料与方法7例均经手术病理证实,均行CT和MR平,2例行CT增强描,7例行MR增强描,5例行MR扩散加权成像(DWI),6例行1HMRS检查。
短句来源
     Two same scan protocols were prepared: unenhanced helical and enhanced CTA.
     即制定两组描参数相同的计划螺旋采集平与增强描。
短句来源
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  “scan”译为未确定词的双语例句
     Scan of Susceptibility Gene for Familial Essential Hypertension(ESH) on Chromosome 1
     1号染色体上原发性高血压易感基因的筛查
短句来源
     Research on SPICE Macro-Modeling of High-Voltage DMOS for PDP Scan Driver IC
     PDP行驱动芯片用高压DMOS器件SPICE宏模型研究
短句来源
     EVALUATION OF PLACENTAL MATURITY BY B SCAN ULTRASONIC TECHNIQUE AND ITS CLINICAL APPLICATIONS
     B型超声仪测定胎盘成熟度的临床初步应用
短句来源
     OPTICAL PRINCIPLE AND ANALYSIS FOR SCAN LINE CORRECTOR
     扫描线校正器的光学原理及分析
短句来源
     Clinical Analysiso 106 Cases of Acute Spentaneous Intracerebral Hemorrhage Verified by CT Scan
     106例经CT证实的急性脑内自发性出血的临床研究
短句来源
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  scan
The liquid crystalline behavior of compound 3 was studied by polarized microscopy (POM) and differential scan calorimeter (DSC).
      
One hundred and twenty-six suspected primary aldosteronism patients whose PAC/PRA ratio was >amp;gt; 25 ng/dL/ng/mL/hr had a lamellar computed tomography (CT) scan in the adrenal gland and follow-up visits.
      
There were 54 patients with unilateral or bilateral hyperplasia and 25 patients with adenoma according to the CT scan.
      
Since, in a sense, the boundary layer is a "time scan" of the nonstationary shear perturbation propagation process, in dilatant fluids the boundary layer should definitely be spatially localized.
      
The morphology and the chemical composition of the deposited patterns were examined with the use of a CEM-SCAN 4 DV scanning electron microscope equipped with an energy-dispersive spectrometer.
      
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A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively...

A method based upon simple diffraction theory is described for the calculation of modified paraboloid reflectors to produce from a point source a shaped beam of arbitrary shape in one plane and uniformly narrow in the perpendicular planes. A specific application of the shaped beam antennas is in connection with radar antennas designed for height finding. In this case the antenna must have a sharp elevation beam for obtaining precise elevation information and a rapid elevation scan. The beam must be relatively broad in azimuth in order that the target will be held in the beam long enough to obtain height information. If a fixed minimum of illumination is to be achieved at a given linear distance on both sides of the center line of the azimuth beam, the amplitude pattern must have the so-called "double cosecant" or "beavertail" shape.

本论文讨论如何利用简单衍射理论,计算改良抛物面反射器天线幅射之图型。此反射器可将一无方向性辐射源之能量聚集于任何形状之波束中。此原理可以应用在地面上或船面上寻求飞机高度雷达天线之设计。在此类雷达中,天线之方位图型必须为“双馀割平方”式;其特性为自波束对称轴线起,至其两端,辐射一次路程之功率,与方位角之馀割平方成正比。得此图型之最简易方法为置一狭窄之铅垂金属条于一截形抛物面反射器之中心,金属条之宽度,可改变波束之方向性;其支距,即金属条与反射器之距离,可影响两反射波之位相。故改变金属条之宽度及其支距,可得欲得之图型。 利用衍射及干涉理论,计算金属条及截形抛物面所生之总图型为:在方位面内,幅射强度J_H与水平角θ之关系为: J_H =AA[sin~2(15πsinθ)/(15πsinθ)~2-2(1-cosπ/4)sin(2πsinθ)/2πsinθ(sin(2πsinθ)/2πsinθ-sin(15πsinθ)/15πsinθ)]A为辐射波振幅,A为A之复共轭数。计算之结果与实验之结果,颇为一致。

A simple assembly for paper electrophoresis and its optimal working conditions are described. The construction of a simple densitometer is also briefly presented.In using the scanning method, azocarmin B was found to be a suitable dye for the quantitative determination of the relative amount of serum protein fractions, as checked by nitrogen determination with the micro-Kjehdahl method. It was found, that no correction factor was necessary for the globulin fractions.Reproducibility of the method is considered...

A simple assembly for paper electrophoresis and its optimal working conditions are described. The construction of a simple densitometer is also briefly presented.In using the scanning method, azocarmin B was found to be a suitable dye for the quantitative determination of the relative amount of serum protein fractions, as checked by nitrogen determination with the micro-Kjehdahl method. It was found, that no correction factor was necessary for the globulin fractions.Reproducibility of the method is considered satisfactory.The electrophoretic values of sixty normal human sera and a number of patients' sera are reported.

本研究报告纸上电泳法的简单装置,并找出了使用此装置的最适宜情况。本文略述光密度计及电压稳定器的自制方法。 在研究中证明用偶氮胭脂红B染色,用光密度计法定量是较简便的血清蛋白质定量方法,所得的结果与Kjeldahl微量定氮法所得者符合,在球蛋白部分无需乘以任何校正系数。本法的重复性亦曾加以测定。 我们测定了60个正常人的血清蛋白质电泳数值和一些病人血清蛋白质电泳数值。

Micro wve Ienscs using media variable of refractive index have been widely used,such as for a-round scan.The Lens is symmetrical about its center or about its axis.The general properties of such lenses have been stuaied by using.Fermat's Principle and calculus of variations ana by means of Hamiltonianoptics,Both methods base essentially on the same geometrical optical model arising from the fact that electromagnetic waves behave locally as plane waves.The first method has been fully developed by the investigatio...

Micro wve Ienscs using media variable of refractive index have been widely used,such as for a-round scan.The Lens is symmetrical about its center or about its axis.The general properties of such lenses have been stuaied by using.Fermat's Principle and calculus of variations ana by means of Hamiltonianoptics,Both methods base essentially on the same geometrical optical model arising from the fact that electromagnetic waves behave locally as plane waves.The first method has been fully developed by the investigatio of an integral equation of the Abel,s type Subject to various modifications,whilethe second method which may make clearer the properties of such lenses to antenna despners has been studied only scarcely.It is the purpose of this paper to study both methods further and to obtain batin some new micro wave lens designs.

利用折射系数连续变化的媒质做成的微波透镜已经得到了广泛的应用,例如用于全方向扫描中。这类透镜是对中心对称的,或对轴对称,其一般特性已被人们应用费米原理及变分法和应用汉密尔顿光学方法研究过。这两种方法同是基于几何光学的原理,第一种方法归结为一个阿倍尔积分方程的研究,而且已经达到一个相当完善的程度,第二个方法则研究得还不太多。本文对这两种方法进一步加以研究,以求能够得到一些新的微波透镜的设计方案。

 
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