cnr

As a large stated-owned enterprise , CNR Tangshan Locomotive Rolling Stock Works has along history of more than 120 years . After China participated in WTO , the Locomotive RollingStock industry is facing the baptismal challenge .

中国北车集团唐山机车车辆厂是一家有120年历史的国有大型企业，中国加入WTO后，机车车辆行业面临着前所未有的挑战。

CNR Analysis of CDMA used in Fiber to the Railway

CDMA在FTTR中应用的载噪比分析

CNR is widely used in coating industry as an important chlorinated polymer .

CNR作为重要的氯化高聚物之一，在涂料工业中有广泛的应用。

With optimum recording condition , 58 dB CNR was obtained .

在最佳实验条件下，获得了58dB的信噪比。

The main method to produce CNR is by the solution or aqueous-phase way .

生产氯化橡胶的方法主要有溶剂法和水相法。

Despite some questions of quality , on technical criteria China CNR beat all the competition .

尽管质量上存在一些问题，但在技术标准上，中国北车击败了所有的对手。

CNR is a leading provider in the field of locomotive and rolling stock .

中国南车是机车生产领域的龙头企业。

Calculating the CNR and Cascaded number for trunk amplifiers in CATV system

CATV干线放大器载噪比及级联数的计算

Quality and quantity analysis were conducted based on contrast to noise ratio ( CNR ) and image quality of various sequences .

进行了图像对比噪声比（CNR）值的测量，分析比较常规SE序列和动态增强的图像质量、病灶检出情况和病灶与周围胸壁深层结构的显示情况。

At last , the CNR range for kalman filter threshold segmentation is studied and the result are obtained .

最后研究了卡尔曼滤波阈值分割方法的CNR适用范围，并给出了实验结果。

A calcuation method of the upstream CNR was given .

文中针对上行通道的CNR给出了计算方法。

A novel method in solving chance constrained model with normal distributed right hand side ( CNR ) is studied in this paper .

本文研究一种机会约束随机规划问题（CNR）的优化方法。

Its capabilities will especially be brought into full play when it is used for embedded computer vision applications , CNR reported .

中央人民广播电台报道称，这一能力，尤其是充分发挥时，将会在嵌入式机器视觉应用中发挥作用。

In the condition of large CNR , this method is equivalent to the optimal filtering under the maximal SIR criterion .

在大杂噪比条件下，该方法等效于最大信干比准则下的最佳滤波。

The results based on infrared spectrum analysis and physical property test show that the drying temperature of CNR should be controlled less than 100 ℃ .

红外光谱分析以及物理性能测试结果表明，胶乳法CNR物料的干燥温度应控制在100℃以下。

OBI noise drastically reduces CNR of each channel and seriously degrades the system performance , therefore must be suppressed .

光拍频干扰噪声大大地降低了单信道的载噪比，严重地劣化了系统的性能，因而必须加以抑制。

CNR 's gain was muted by Chinese standards and followed sluggish starts for other new listings in the past two months .

按中国的标准衡量，中国北车首日涨幅微弱。近两个月来，其它新股上市也有疲弱表现。

CNR and CSR declined interview requests .

两家公司均拒绝接受采访。

Using CNR as application object , collaborative design connection based on VPN is accomplished among the technical centers attributed to CNR . 4 .

以中国北车集团为应用对象，在集团下属的技术中心间实现了基于VPN的协同设计网络连接。4.提出了应用服务提供商（ASP）模式的远程CAE服务模式。

China CNR submitted the lowest price of all the bidders : about half the price of Bombardier at the high end .

中国北车提交的报价是所有竞标者中最低的：大约只有提出较高报价的庞巴迪（Bombardier）的一半。

The contract was signed between Siemens and CNR Changchun Railway Vehicles Co. , Ltd. ( CRC ) .

这个合同由西门子与中国北车（CNR）长春轨道客车有限公司（CRC）双方签订。

The thin layer drying experiments for Chlorinated Natural Rubber ( CNR ) by latex process were carried out by quadratic regressing methods .

采用二次回归正交设计方法，对胶乳法氯化天然橡胶（CNR）进行薄层干燥试验。

With GRG algorithm in solving nonlinear programming to match , the number-theoretic Monte-Carlo method shows great advantage in optimization computation of CNR problems .

配合求解非线性规划的GRG算法，数论投点法在（CNR）问题的优化计算中显示了较大的优越性。

The simulating recognition was made with different decomposing methods and CNR . ( 2 ) The range image target recognition algorithm based on Fourier descriptor was studied .

分别对不同分解方法和载噪比条件进行了仿真识别。（2）研究了基于傅立叶描述子的距离像目标识别算法。

Under the agreement , CNR will invest $ 60m and create 250 jobs in a final assembly plant in western Massachusetts .

根据该协议，中国北车将投资6000万美元，在马萨诸塞州西部地区建立一家总装配厂，并创造250个就业机会。

The thermal aging behaviour of NR , ENR and CNR was studied by using Fourier Transform Infrared Spectroscopy ( FTIR ) .

用傅立叶转换红外光谱（FTIR）研究了NR、环氧化天然橡胶（ENR）和氯化天然橡胶（CNR）的热老化行为。

CNR 's bid also included a novel $ 60m investment in a final assembly facility in western Massachusetts that will create 250 jobs .

中国北车的标书中还包括了一项特别的6000万美元的投资，用于在马萨诸塞州西部地区建立一家总装配厂，并创造250个就业机会。

And for those 40 cooperative patients with cerebral infarction , the signal noise ratio ( SNR ) and contrast noise ratio ( CNR ) were compared .

对配合检查的40例脑梗死患者对比图像的信噪比（SNR）和对比噪声比（CNR）。

By a kind of aqueous-phase way , the latex method is a new way that the CNR gotten by chlorination reaction in natural latex .

在水相法中，胶乳法是一种在天然胶乳中直接氯化制备CNR的新型方法。

The pixel mean value and noise of the image in region of interest were measured and recorded in2 density areas , and the CNR was calculated .

测量并记录2个密度区内感兴趣区像素值均值和噪声值，计算对比度噪声比。