不率

这是美国教育家不会忽视的一个事实，他们在数学不及格率上升的情况下正在讨论数学如何才能更好地满足学生的实际需求。

It 's a fact not lost on American educators , who amid rising math failure rates are debating how math can better meet the real-life needs of students .

预报细纱条干不匀率的BP神经网络方法

BP Neural Network Method for the Prediction of Yarn Unevenness

讨论在“双侧”计量抽验方案中，以不合格率p衡量批质量时的抽样方案及直接计算方法。

This paper discusses a sampling plan when the batch quality is evaluated by non-conformance rate p and a direct calculating approach to sampling inspection of two-sided sides statistical analysis .

MRI与PET、EEG比较完全一致率20%，部分一致率5%，完全不一致率75%。

Complete consistency for PET , EEG , and MRI was 20 % , partial consistency 5 % , complete inconsistency 75 % .

用正交实验优选影响涤纶POY条干不匀率的工艺参数

Orthogonal experiments on optimizing process parameters affecting PET POY unevenness

涤纶POY条干不匀率波谱分析及应用

Spectrum analysis of unevenness polyester POY yarn and its application

WRC849软弹性胶辊与RCⅡ型涂料对降低细纱条干不匀率的影响

A Study of the Influence of WRC-849 Soft Rubber Cots and RC-2 Coating on Improvement of Unevenness of Yarns

然后，引用计算随机变量函数概率分布的方法，导出桩基抽样不合格率γ的概率分布p（n，N）（γ）和数字特征的计算公式。

Subsequently , the probability distribution method of random variable function is used to derive the formulae of probability distribution and statistic expectation of the defective rate of piles in testing the overall quality of a pile foundation .

在学校使用EdX课程之前，这门课的不通过率高达41%。

Before the school incorporated edX , the failure rate for that course had been a whopping 41 percent .

统计过程控制SPC（StatisticalProcessControl）作为先进质量管理和过程控制的重要工具和技术，对预防产品生产过程的质量缺陷，降低产品的不合格率，增强企业的竞争力具有举足轻重的作用。

The Statistical Process Control SPC as the important tool and technique of advanced quality management and process control , plays an important role in preventing the quality defects , reducing the failure rate of products and enhancing the competitiveness of enterprises .

通过试验测试发现粗纱伸长率对粗纱重量不匀率和条干CV值影响显著，强调了控制粗纱张力的重要性。

The test shows that the influence of roving elongation percentage on roving weight unevenness and evenness CV is evident , and the control of roving tension is very important .

两组不符合率经二项分布检验，差异有统计学意义（P<0.01），即FS组的不符合率明显低于NFS组的不符合率。

The binomial distribution analysis indicate that the difference of disaccord rate between the FS group and the NFS group was remarkable ( P < 0.01 ) .

中国人群中HLA全相合血缘供受者间MiHAs不相合率与其他种族人群作比较。

MiHAs disparity rate between HLA-matched related donor and recipient in Chinese population were compared with other ethnic groups .

讨论了侧吹风的风速、风温、相对湿度及风道压力对涤纶POY条干不匀率的影响。

It is considered that , air speed , air temperature , air relative humidity and air pressure have influence upon unevenness of PET POY .

方法比较分析门诊及住院患者PA（免疫比浊）、白蛋白、谷氨酸氨基转移酶及总胆红素的不正常率及其相互关系。

Methods We calculated the abnormal ratio and analyzed the correlation of serum PA ( turbidimetry ), albumin ( ALB ), alanine-aminotransferase ( ALT ) and total bilirubin ( TBIL ) of outpatient and inpatient amples .

从毛羽测试目的着手，介绍乌斯特3型毛羽测试原理及特点，对某些术语做了解释，如毛羽H、毛羽不匀率CVh、毛羽最大最小值等。

Beginning with the purpose of hairiness measurement , the principle and characteristics of yarn hairiness test with Uster Tester 3 are introduced . It explains such terms as hairiness H , minimum and maximum hairiness , coefficient of variation of hairiness , etc.

NFS组共307例，术前临床诊断均为良性病变，术后常规病理检查良性病变277例，恶性30例，临床诊断和病理诊断不符合率为9.77%。

There were 307 cases in NFS group , and the final pathology diagnosis was carcinoma in 30 ; benign lesion in 277 . The disaccord rate with clinical diagnosis was 9.77 % .

从实际的生产比较来看，产品不合格率得到明显降低，客观上验证了DOE与FMEA方法对新产品研发质量质量控制的有效性。

Comparisons from the actual production of the product failure rate to be significantly lower objectively verified by DOE and FMEA methods on the quality of new product development effectiveness of quality control .

研究了TCS法生产涤纶78dtex/36fFDY时，切片含水率、熔体均匀性、冷却条件、集束位置、热管温度、热管位置等因素对涤纶FDY条干不匀率的影响。

The effects of such factors as water content of chips , spinning temperature , quenching conditions , thermal channel temperature and position on 78 dtex / 36 f PET FDY unevenness were studied .

结果MTS1Southern和Northern杂交分析结果显示，32例胃癌标本MTS1基因缺失及mRNA不表达率分别为34.4%和40.6%，明显高于正常胃粘膜组。

Results MTS1 Southern and Northern blots showed that the deletion rate of MTS1 gene and unexpression rate of MTS1 mRNA were 34.4 % and 40.6 % in 32 samples of gastric cancers respectively , evidently higher than those of normal gastric mucosa group .

介绍了当Error100故障出现时，UT&Ⅲ型检测装置可通过电容量、电位差、参数最佳值的调整，使故障排除。同时.提高了条干不匀率CV测定值的准确度。

When the Error 100 occurs , UT - ⅲ tester can delete the Error by adjusting the optimum value of electric capacity , potential difference and parameter , and it will increase the accuracy of testing value of evenness of yarn CV in the meantime .

针对国内生产的T5（调质度）镀锡板耐蚀性差、不合格率高的情况，研究了原板成分及晶粒度对镀锡板耐蚀性的影响。

For T5 ( temper ) tinplates manufactured in national steelworks have poor corrosion resistance and high fraction defective , the effects of component and grain size of blank plate on the corrosion resistance of tinplate were studied .

Ames试验不合格率（17.28%）最高，其次为体外哺乳动物细胞染色体畸变试验（14.81%）、眼刺激性试验（14.13%）、皮肤变态反应试验（10.88%）。

The highest unqualified rate of hygienic safety test on cosmetics was 17.28 % for Ames test , next was 14.81 % for chromosome aberration test on mammalian cells in vitro , 14.13 % for eye irritation test and 10.88 % for skin allergic reaction .

根据集肤效应提出RSD的多单元并联来增大电流容量，以充分利用芯片面积，建立RSD多单元并联模型，讨论了电流不平衡率的影响因素。

According to the skin effect , the multi-cell parallel of RSD is proposed to enlarge the current capability in order to make a full use of the chip area . The multi-cell parallel model is set up and the influence factor of current unbalance rate is discussed .

FA326型并条机性能先进，自动化程度高，可有效地改善并条的条干不匀率、重量不匀率等质量指标。

The performance of FA326 type drawing frame is advance and its automation is high , which can improve effectively quality index such as yarn irregularity , weight unevenness etc.

2301S不育株率100%，花粉败育率99.99%，套袋自交不实率100%，不育起点温度较低，在合肥不育期30d以上；

Its critical sterility inducing temperature ( CSIT ) was low at about 23.5 ℃ . Grown in Hefei , it had a long stable sterile period over 30 days with 100 % sterile plant rate , 99.99 % pollen sterility rate and no bagged selfed seed set .

织机主轴回转不匀率的测定与分析

Test and Analysis on the Irregular Rotation Rate of Loom Mainshaft

混纺纱混纺不匀率测试法的理论商讨

A Discussion about Theory of Method for Testing Blending Ratio Unevenness

粗纱短片段不匀率取样方法探讨

Discussion about Roving Sampling Method for Testing Its Short Term Irregularity

清梳联生条重量不匀率影响因素的探讨

Influential Factor Discussion of Card Sliver Weight Unevenness in Blowing-carding Unit