查询词典 CRC

Five of these genes were selected for logistic regression analysis, of which two were the most up-regulated (CDA and MGC20553) and three were the most down-regulated (BANK1, BCNP1, and MS4A1) in CRC patients.

通过logistic回归分析，我们选择了这些基因中的5个基因。在这5个基因中，其中2个基因（CDA 和 MGC20553）在CRC患者中会上调表达；另外三个基因（BANK1，BCNP1，以及MS4A1）在CRC患者中会下调表达。

The clinical and pathological case information of CRC high-risk individuals were gathered and a population based case-control study was performed between and within three colonoscopic examinate groups of field screening, health examination and surveillance, and clinical symptomatic consultation. The distributions of age, gender and detective conditions of pre-cancerious alterations and CRC, as well as the relationship of pathological conditions and ages were analyzed between and within the three groups to evaluate the existent strategies of colonoscopy for CRC high-risk population.

2应用所建立的CRC高危人群临床病例信息科学采集与处理方法，对现场普查、体检复查和因症就诊三种不同来源的结肠镜受检人群进行成组资料的人群对照研究，分析比较三组受检人群年龄、性别构成特点以及对CRC癌前病变和CRC的检出情况、病理组织类型和分布特点，并对现有CRC及其高危人群结肠镜检查策略进行分析评价。

The CRC-CCITT cyclic redundancy check code in international standard is studied in this paper. The polarities check ability, minimum code distance and capacity of correct single bit error of CRC-CCITT are proved by using galois field polynomial theory.

以国际标准CRC-CCITT循环冗余校验码为研究对象，利用近世代数多项式理论证明其奇偶校验性质、最小码距和纠正单比特错误能力。

Finally it mathematically calculates the CRC at bit and byte level and deducts a 16-bit CRC. The calculation and deduction consolidate the CRC theory. Chapter three also introduces the modulation by two, CRC polynomial, reflection polynomial applied in noise environment and the relationship between reflection polynomial and general polynomial.

第三章首先阐述了循环冗余码与循环码的关系——循环冗余码是一种短循环码、循环冗余码具有所有循环码的很多性质；然后，简单介绍循环冗余码的编码、译码原理和实现；最后，从普通数学的角度，分别用按比特、按字节求解CRC，详细推导了校验码宽度为16的CRC的理论过程，进一步为循环冗余码的研究提供有力的理论基础。

The method comprises the steps: S402: an inverse process multiplexing for a terminal to transmit channels; S404: CRC verifies a statistical module and judges whether CRC verified calculation in the inverse process is right and after relevant processing is taken according to the results of the judgment, the right circumstances in the CRC verification in the reverse process are added up; S406: the terminal outputs the link quality of the transmission channels according to the stastical results of the verified statistical module in the CRC; S408: RNC sends out request message for counting, and the terminal makes response to the counting in pre-set conditions and feedbacks the link quality of the transmission channels; S410: after receiving the counting response of the preset quantity, the RNC counts the link quality given feedback by the terminal and confirms whether to regulate power allocation of the signal channel loading MBMS according to the statistical results.

本发明提供了一种采用外码增强技术反馈链路质量的功率分配调整方法包括：S402，终端进行传输信道复用的逆过程；S404，CRC校验统计模块判断逆过程中的CRC校验计算是否正确，并且在根据判断结果进行相关处理后，统计逆过程中CRC校验的正确情况；S406，终端根据CRC校验统计模块的统计结果输出传输信道的链路质量；S408，RNC发送计数过程请求消息，并且终端在预定条件下响应计数，并反馈传输信道的链路质量；S410，RNC在接收到预定数量的计数响应后，统计终端反馈的链路质量，并根据统计结果确定是否调整承载MBMS的信道的功率分配。

With regard to 17.2 mm thickness,48in pipe diameter and X70 grade pipeline,it introduced 2 kinds of combination methods for automatic welding,one is NOREAST inside welding machine root welding + PAW-2000 outside welding machine filled in and cover,the other is CRC inside welding machine root welding +CRC P260 welding machine heat welding +CRC P600 double welding torch filled in and cover.

介绍了印度&东气西输&天然气管道工程焊接技术规范，针对管径1219 mm、壁厚 17.2 mm 的X70级管线，推行了NOREAST内焊机根焊+ PAW 2000型外焊机填充盖面和CRC内焊机根焊+ CRC P260焊机热焊+ CRC P600双焊炬填充盖面两种自动焊组合方案。

The main provisions of the welding process assessment for this pipeline project are presented in this paper. Also the applications of some welding processes in the pipeline construction are described including semi-automatic welding process with self-protection flux core welding wire, root welding with Britain NOREAST internal welding machine plus filling and capping welding with domestic PAW-2000 external welding machine, root welding with American CRC internal welding machine plus heating welding with CRC P262 external automatic welding machine plus filling and capping welding with CRC P600 double torches external automatic welding machine.

文章介绍了该管道工程焊接工艺评定的主要规定，以及自保护药芯焊丝半自动焊工艺、英国NOREAST内焊机根焊＋国产PAW2000型外自动焊机填充盖面焊工艺、美国CRC内焊机根焊＋CRCP260外自动焊机热焊＋CRCP600双炬外焊机填充盖面焊工艺在管道施工中的应用。

CRC was found to be prone to spalling when subjected to high temperature, which usually occurs in the 300℃~400℃temperature range.

2由CRC的高温性能试验结果可知，CRC在高温过程中，可能会发生不同程度的爆裂现象，发生爆裂的温度区间集中在300℃～420℃间。

By using cross pipeline CRC and asynchrony dual port RAM, problems of unfix width data CRC and compliant with Gigabit Ethernet are solved.

文中使用交叉流水CRC和异步双口RAM技术，解决了非固定数据宽度CRC编码/校验，以及与千兆以太网兼容两个关键问题。

cyclic redundancy check code is a very important cyclic code,the coding and decoding methods are simple,easy to realize.it is strong to detect error,the probability of misjudging is nearly zero.it is a method with extremely high efficiency in controlling errors,which can fulfill the requirement of reliable information transmission in communication systems.it has got very extensive application in observing and controlling and data communication.this paper introduces the encoding and decoding principle of crc in detail,analyzes the feasibility of crc by dsp,and gives out the design proposal and flow chart according to the principle,which is very useful in applications.

摘 要：循环冗余校验码是一种重要的循环码，编码和解码方法简单，容易实现，检错能力强，误判概率几乎为零，是一种效率极高的差错控制方法，可以满足通信系统可靠传送信息的要求，在测控及数据通信中得到了非常广泛的应用。详细介绍了循环冗余校验的编解码原理，分析了用dsp实现crc的合理性，最后给出了根据校验原理实现的设计思想及流程图，具有一定的实用价值。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。