Cut-off相关论文
Indications, Interpretation and Clinical Consequences of Tuberculin Skin Tests in Resource Limited S
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Wild-type MIC Distribution and Epidemiological Cut-off Value and Resistant Characteristics of Colist
The aim of the present study was to investigate minimum inhibitory concentration(MIC)distributions by broth microdilutio......
Analysis on the ecological benefits of the stream water conveyance to the dried-up river of the lowe
This paper analyzes the monitored data of the 4 times of stream water conveyances to the river section where the stream ......
目的探讨云南省昆明市妇幼保健院新生儿疾病筛查中心实验室先天性甲状腺功能减低症(CH)筛查切值,以便能降低漏诊率和假阳性率。方......
目的 用ROC曲线(受试者工作特征曲线)确立各血液学指标在地贫筛查中的切值.方法 以SYSMEX五分类血细胞分析仪进行全血细胞计数,记......
目的研究NT-proBNP截断值(cut-off值)水平在鉴别急性左心衰竭和急性右心衰竭中的价值.方法 纳入78例明确存在急性心衰的患者作为实......
目的探讨四川省新生儿疾病筛查中心实验室先天性甲状腺功能减低症(CH)筛查切值,减少漏诊率,降低假阳性率。方法对四川省新生儿疾病......
目的：目前促甲状腺激素(TSH)是筛查先天性甲状腺功能低下症(CH)的指标，通过分析其检测值，验证cut-off值确定是否准确，结果为下一年度cu......
截止陡度变形是带通滤光膜实际制备中的工艺难题,通过对周期性膜系结构等效折射率与基片进行导纳匹配优化设计,得到了规整结构的带......
BACKGROUND Metabolic memory is important for the diagnosis and treatment of diabetes in the early stage,and in maintaini......
针对3150T挤压机挤压简内衬产生龟裂后，无法将内衬从挤压简中取出的难题，利用钢铁在高温条件下遇氧气燃烧的原理，通过专门设计的配套......
利用南京市地基全球定位系统(GPS)网的观测资料,分析比较不同的卫星星历、不同数量的国际GPS服务(IGS)参考站、不同的截止高度角,......
Several technical problems of numerical method in TLM procedures arediscussed.The bandwidth of single mode in four kinds......
In this study,the azimuth cut-off method,typically used for SAR moderate wind speed estimation purposes,is analyzed unde......
目的探讨新生儿足跟血苯丙氨酸(Phe)测定在新生儿苯丙酮尿症筛查的切值(cut-off).方法新生儿出生72h后采足跟血,滴在规定的滤纸上.......
目的探讨大庆地区新生儿苯丙氨酸（phenylalanine,Phe）测定时新生儿苯丙酮尿症筛查切值。方法以大庆地区出生的新生儿为筛查对象,于出......
为了进一步提高TTL与非门的驱动负载的能力，并使学生及其有关TTL与非门的应用者踏实、清楚地掌握提高TTL与非门驱动负载的能力的原......
为提高测量普朗克常数精确度，对光电效应－－普朗克常数测定实验进行改进。用单色光取代复色光，采用过零比较器测量截止电压ＵＳ通过计算机用......
本文从原理角度分析了彩色电视机“三无”故障产生的原因，并探讨了一般规律及排除方法。......
介绍了近年来国内外新开发的限速切断阀的基本结构型式、工作原理、设计计算要点及典型应用导出了设计计算的一些有关准则和计算公......
针对新桥煤矿2304综采工作面开切眼受地质构造影响局部地段巷道高度过高的情况,研究设计了预应力锚索梁绞顶技术.矿压监测结果表明......
潼关高程[潼关(六)断面1000m^3／s流量相应水位]关系着渭河下游防洪和三门峡水库综合效益的发挥．由于影响潼关高程的因素非常复杂，因此......
为顺应黄河河道的演变趋势,在河环狭颈处实施人工裁弯措施,不仅可以加速河道由弯趋直的转化过程,还可以避免随机性的自然裁弯造成......
Serious sediment deposition often occurs after the construction of tidal sluices in small or medium-sized tidal muddy es......
In this work,trapped mode frequencies are computed for a submerged horizontal circular cylinder with the hydrodynamic se......
滤波是通信、测试、数据采集和实时控制等领域至关重要的环节。通常的模拟滤波器，由于截止频率固定，在某些宽频率动态范围且有实时性......
硫酸盐渍土的主要危害是盐胀,对于建在盐渍土地区的机场来说关键是减少盐胀对机场道面板的不利影响,目前常用处理方法常忽略了上覆......
根据河堤和边坡的实际地质模型,基于线弹性理论的本构方程,通过有限元模拟分析,定量地揭示和模拟边坡及河堤的破坏、变形和失稳前......
南夹江为长江铜陵河段的一条汊河,现河道为一＂几＂字形河道,阻水严重,岸坡多处发生崩塌。裁湾工程拟将原来的＂几＂字形河道裁湾取直,使河......
铝电解系列紧急停产方案可根据供电侧及铝侧事故状态选择，计划性停产可全面考虑负荷转移、停槽物料利用等事项，系列复产方案可以技术......
日本三洋公司A3型彩色电视机开关电源，关于其工作原理的争论比较多，对电路的分析也不尽相同。本文通过对A3型开关电源电路原理的分析......
The cut-off wall in a clay-core rockfill dam built on a thick overburden layer is subjected to a large compressive press......
通过对嘉陵江广元市区河段水文特性、河道地形、河相关系及河床演变规律的分析，结合广元市防洪现状及城市发展规划、美化景观、建设......
利用CAD技术找出平面结构梁式引线混频管几何图形最佳尺寸,满足在特定条件下管子总电容和总电阴为最小,以提高截止频率改善器件性......
从快走丝线切割机床加工工艺特点出发，简述了断丝机理，分析了导致断丝的因素，并提出了相应的解决办法。......
目的确立本实验室筛查的新生儿先天性甲状腺功能低下症（cH）促甲状腺素（TSH）的阳性召回切值。方法采用时间分辨镧系荧光免疫（DELFIA）技术......
In order to obtain high order spectral moments, the residual moment M( ωn )i ＝∫ωn0ωiS(ω)dω, as proposed by Dehis, i......
武汉市王庙堤防是著名的历史险工段.为了验证整治方案的可行性及其效果,以及方案实施前后汉江河口段河势、流速、流态、水位、通航......
Filter backprojection is an important method of image reconstruction technique in clinical nuclear medicine imaging. Bec......
A New Analyzing Method of Single Event Latch-Up Protection Circuit Based on Current Comparing and It
Single event latch-up (SEL) is a significant issue for electronics design in space application, which would cause large ......
Functional performance levels of strength and power needed for independence in 80-year-old individua
Background: The ability to climb stairs (ascending and descending stair without using a handrail) and rise from a chair ......
A Preliminary Receiver Operating Characteristic Analysis on Voice Handicap Index Results of the Gree
Objective(s): The cutting-edge assessment of voice disorders includes objective and subjective methods in the daily clin......
Preliminary Receiver Operating Characteristic Analysis on Voice Handicap Index of Laryngeal Inflamma
Objective(s): Laryngeal inflammations lead to voice disorders. Medical conditions such as chronic laryngitis, gastroesop......
The general characteristic equation is derived for the helically cladded step-index optical fiber. The dispersion curves......
SOLUTION OF ARBITRARY CROSS-SECTION WAVEGUIDE USING METHOD OF EIGEN WEIGHTED BOUNDARY INTEGRAL EQUAT
Based on the second kind of Green’s identity,a boundary integral equation forarbitrary cross-section waveguide is trans......
Usually, electromagnetic evanescent waves are some kinds of near fields. However, it looks as if the evanescent waves in......
目的:通过对早发育女童行经腔内超声子宫、卵巢形态学及相关测量值的观察以及通过LHRH激发试验了解早发育女童各节点数值的变化范......
