stepwise

stepwise

1. The mutation pattern of silver crucian carp was very complexional, as well as some loci did not follow the Stepwise Mutation Model.

(4) 序列分析表明, 雌核发育银鲫的微卫星突变模式并不严格遵守逐步突变模型。

2. Five different piezoelectric resonance modes were excited by the stepwise electric field in modified lead zirconate titanate (PZT) ceramic samples.

4.以改性锆钛酸铅陶瓷为例,利用阶跃电场对铁电体材料常用的五种压电谐振模式进行了的激发。

3. StepWise - news, articles and a software archive.

StepWise-新闻,文章和软件归档库。

4. Under the catalysis of sodium hydroxide solution,TBA epoxy resin was prepared by stepwise polymerization by use of tetrabromobisphenol A(TBA) and epichlorohydrin(ECH).

TBA与环氧氯丙烷(EHC)在氢氧化钠溶液的作用下,通过逐步聚合得到TBA型环氧树脂;

5. Zhang Yuqing,Wang Dongqing,Li Binxian,et al.Extraction of diosgenin from dioscorea zingiberensis through stepwise biocatalysis[J].Chinese Traditional and Herbal Drugs,2006,37(5):688-691 (in Chinese).

[2]张裕卿,王东青,李滨县,等.阶梯生物催化协同提取盾叶薯蓣中的薯蓣皂苷元的研究[J].中草药,2006,37(5):688-691.

6. Strong and Weak Acid Mixture of Stepwise Titration

一元强酸与弱酸的分步滴定

7. The coefficients of determination for SNA,ANB,NAPg and UI/SN stepwise regression were 0.96,0.95,0.39 and 0.99 respectively.

上述 4个角度所作回归方程的决定系数分别为 0 .96 ,0 .95 ,0 .39和 0 .99。

8. DES MARAIS D J,STRAUSS H, SUMMONS R E,et al.Carbon isotope evidence for the stepwise oxidation of the Proterozoic environment [J].Nature,1992,359:605-609.

专利文献著录格式:[文献序号]专利申请者或所有者.专利题名:专利国别,专利号[文献类型标志].公告日期或公开日期[引用日期].获取和访问路径.

9. Data were analyzed by using descriptive statistics, chi-square, t-test, Pearson correlation, and stepwise multiple regression.

个案中只有41人有完全符合三项遵从标准(病人自评、病历回顾、血中锂盐浓度)之遵从行为。

10. In order to overcome this negative water vapour phenomenon, “the method of stepwise cycle reduction” is used to carry out some special treatments for the initial value.

为了克服这一负水汽现象,我们采用了“逐步循环订正法”对初值进行了一些特别处理。

11. quadratic polynomial stepwise regressionanalysis

二次多项式逐步回归分析

12. A stepwise carbochlorination-chemical vapor transport(SC-CVT) technique is proposed for separation of thorium from mixed bastnaesite-monazite concentrate.

以氟碳铈矿-独居石混合稀土矿为研究对象,采用分步选择性碳热氯化-化学气相传输反应(SC-CVT),实现钍与其它稀土元素的分离。

13. A L-tryptophan-highly productive strain TQ2223 was derived from Corynebacterium glutamicum Tx5-32 by stepwise mutagenic treatments with DES.

以谷氨酸棒杆菌Tx5 - 32 (Phe- +Tyr- )为出发菌株 ,经硫酸二乙酯 (DES)多次诱变处理 ,定向选育出一株L -色氨酸产生菌TQ2 2 2 3(Phe- +Tyr- +5 -MTr+5 -FTr+SGr+CINr)。

14. But this proposition has no ready-made answer. Especially, if we only give run-of-mill, even inane, advice and measures, it is no use to resolve existing stock and stepwise exposed increment of our country's bad assets.

但这一命题没有现成的答案,尤其是如果研究后提出宽泛的甚至是空洞的建议措施,对于解决我国现有不良资产存量和逐步暴露的增量,于事无补。

15. Via the stepwise discrimnant analysis, crown dieback is found to be the most important variable.If one wants to keep the hit rat over 90%, one can use 6 original observed variables.

使用逐步鑑别分析,发现树冠梢枯为最重要的变数,而将调查变数缩减为6个仍保有90%以上的击中率。

16. The results from stepwise regression analysis showed that the more diseases one had and the lower score one had on the scale of health promoting lifestyle, ...

健康促进生活方式与吸菸-国家图书馆--全国博硕士论文资讯网:查询结果

17. The public economics was interested in the stepwise redefinition of clear boundary,while the blurry boundary was the organizational sociology's favor.

公共经济学热衷于清晰边界的逐步厘定,组织社会学则对模糊的边界情有独钟。

18. Utilizing x~2 test, t test, correlativity analysis and stepwise regression analysis to analyse the collected data in SPSS 11.0 software.

分别采用卡方检验、t检验、相关分析及逐步回归分析等方法,应用SPSS 11.0软件完成数据的统计处理。

19. stepwise countercurrent extraction

分段逆流抽提

20. Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.

分离后的溶液进行浓缩,分步析出氟化钠、氟化钾和铷铯氟化物。

21. stepwise variable optical attenuator

分级可变光衰减器

22. The equal volumes of titrant are added stepwise by the use ofpotentiometric method and measure the correspondent potential.

利用电位滴定手段,分步等量地加入滴定剂,测量对应电位。

23. dynamic stepwise cluster analysis

动态逐步聚类

24. We predicted Rf value of phenol and aniline derivatives by this method, and compared it with classical algorithms such as forward selection,backward elimination, and stepwise procedure....

同时,与前进选择法、后退剔除法和逐步回归法几种传统方法进行了比较,得到了有启示性的结果。

25. Therefore, a stepwise process based on the following operational principles is probably the best course of action.

因此,基于下列操作原则之上的渐进式进程可能是最佳的行动过程。

26. The results of application of PPR model to the precipitation prediction in three regions are better than that of stepwise regression for fitting and prediction.

在三个地区应用PPR进行降水量预测建模、模型的拟合及预留预测检验结果均好于逐步回归建模的相应结果。

27. This paper describes the principle, and stepwise development of FADS, summarizes current focuses of research, and presents some expectations of future development of FADS.

在介绍了嵌入式大气数据传感系统原理及技术发展的基础上,总结了当前开展的各项研究工作的热点并对嵌入式大气数据传感未来发展趋势进行了展望。

28. Base on a lot of experimental data the relation between fabrics shear property a nd the parameters of yarn and the structure of fabric are discussed by stepwise -regression method.

在大量实验数据的基础上,运用逐步回归的方法探讨了精纺毛型织物剪切性能与纱线、织物结构参数之间的关系。

29. In the coarsest scale, a stepwise elimination scheme is introduced, the Edge Dilatation Template (EDT) is presented and some methods are introduced to reduce the calculation.

在最小尺度上,采用了逐步剔除的策略,提出了边缘膨胀模板(EDT),并推导了快速算法;

30. In this study, we pick fifty-six variables and use stepwise to choose the best explainable variables in theses three models.And the variables picked must be the best ones which fit Taiwan.

在本研究中,我们采用56项财务比率进行逐步迴归,来做进一步的挑选,挑选最适合台湾市场的财务比率变数。

31. Then,stepwise regression analysis is used to select a best group of factors for the prediction of expressway incident duration,and the multiple linear regression model is established.

在此基础上,通过逐步回归分析确定用于高速公路事件持续时间预测的最佳变量组合并建立多元线性回归模型。

32. Then, the relative disadvantages of the widely used stepwise regression method are discussed, and the theory of information criteria as presented by AIC and BIC is introduced.

在此基础上,我们对以AIC和BIC为代表的各种基于信息标准的模型选择法予以介绍和评论。

33. In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems.

在混合弱酸滴定中,化学计量点时PH值计算、终点误差计算,分步滴定判据是三个必须明确的问题,本文对混合弱酸滴定的这三个问题作一探讨。

34. Conclusion The stepwise discriminant analysis of Random Forests can be effectively applied to the research of gene selection and classification.

在类间区分度不够大的情况下分类效果提高不明显。

35. A stepwise discriminant analysis (SDA) and a principal component analysis (PCA) methods were applied, resulting in several reliable quantitative structure-activity relationships (QSAR)-based models.

基于定量构-效关系(QSAR)方法,采用逐步判别分析和主成分分析建立数学模型。

36. On the basis of road accident records,adopting stepwise cluster analysis and Bayesian probabilistic model, this paper investigates the method of identification of road accident blackspots.

基于已有的道路交通事故统计资料,应用动态聚类分析方法和贝叶斯概率模型,对事故多发点的鉴定方法进行了探讨。

37. In a stepwise multivariate regression analysis,adjusting for age,significant assoc iation was observed between serum albumin level and IL-6 concentration.

多元回归分析在矫正了年龄的影响后 ,IL -6是血液透析患者血清白蛋白水平的独立影响因素。

38. The multiple stepwise regression analysis showed that distinctly positive correlation of CSS associated with the levels of Lp (a), TC/HDL-C, apoB and age, respectively (all P<0. 01).

多元相关及逐步回归分析表明,CSS与年龄、Lp(a)、TC/HDL-C、apoB水平呈明显正相关(均P<0.01)。

39. Multiple linear stepwise regression indicated there was no obvious correlation between resistin gene +299G/A and systolic blood pressure,diastolic blood pressure.

多元线性逐步回归分析显示,抵抗素基因+299G/A与收缩压、舒张压无...

40. multivariate stepwise regression

多元逐步回归

41. multiple stepwise regression analysis

多元逐步回归分析

42. Multipal stepwise regression analysis showed that principal influential factors included family relations,marital status,cultural and sports activities,sickness and family structure.

多元逐步回归分析显示,家庭关系、婚姻状况、文体活动、患病情况、家庭结构是离休干部抑郁的主要影响因素。

43. There was positive correlation (P<0.05) between expression level of MT1-MMPmRNA and Dukes stage analyzed by multiple stepwise regression.

多元逐步回归分析显示,MT1-MMPmRNA的表达水平与Dukes分期呈正相关(P<0.05); 大肠癌组织中MT1-MMPmRNA的表达水平与年龄、性别、肿瘤部位、分化程度、大小均无关。

44. Stepwise linear regression showed that rumination in negative emotion, frequency of experiencing negative emotion and fancy were independently predictive variables of post-traumatic stress responses.

多元逐步回归分析显示,对负性情绪的重视调节,负性情绪的感受频率,幻想等是创伤后应激反应症状总分的独立预测变量。

45. Multiple stepwise regression analysis indicated that education manner of parents, L score, flight, fantasy and denial, P score and accompanier pressure entered the equation.

多元逐步回归分析表明,父母管教方式压力、L分、逃避、幻想否认、P分、同学压力等6个变量进入回归方程。

46. Multiple linear stepwise regression analysis revealed that TG and WHR were independently associated with the size of LDL particles.

多元逐步线性回归分析,得出与LDL颗粒直径独立相关并依次进入方程的变量为:甘油三酯和腰臀比。

47. Analysis of stepwise regression indicated that FEV1/FVC were correlated with exposure parameter.

多因素分析表明,除年龄、身高、吸烟指数外,接触指数是影响FEV1/FVC的重要因素。

48. Multiple factor stepwise regression analysis showed that the correlated risk factors of cerebral infarction were PP and CHOL.

多因素逐步回归分析显示,脑梗塞发生的相关危险因素分别为PP、CHOL。

49. Four methods dealing with multi-collinearity are introduced, they are Stepwise Regression, Ridge Regression, Principal Component Regression and Partial Least Squares.

多重共线性会给顾客满意度线性建模带来很大的危害。

50. Most computer programs introduce or delete the dependent variables in a stepwise manner.

大部分计算机程序均以逐级计算方式来输入或删除某些应变量。

51. By stepwise multilinear regression analysis, SDT and SDR were the most important determinant of PAWP(r=0.72),EDR and SF%(r=0.78).

对二尖瓣和肺静脉血流参数联系地进行多元回归分析时,发现EDR、SF%与PAWP显著相关(r=0.78)。

52. A stepwise nonlinear fitting procedure was proposed to nonlinear fitting equations that uses Marquardt nonlinear fitting analysis and stepwise linear regression alternatively.

对于非线性函数线性组合型相关方程,本文提出了交替运用非线性拟合和逐步线性回归分析相结合的方法一逐步非线性拟合。

53. Exteriorly, we maintain good cooperation relationship with associated companies, and make fast, reliable, legal and stepwise response to our customers.

对外,我们坚持与各关联单位保持良好的合作关系,重诚信,快速响应与真诚服务客户。

54. The process of producing molybdenum disulfide with natural method has been improved.In the new process,stepwise leaching is substituted for mixed acids leaching.

对天然法生产二硫化钼的工艺进行了研究,提出了以分段浸出代替混合浸出的方案,并进行了实践。

55. The data obtained from the array have been treated by using stepwise discrimination algorithm and principal component regression.

对阵列输出的数据,采用逐步判别法进行二类判别,可以检测混合蒸气中少量的乙醇;

56. The multiple stepwise regression equation is A vol=122. EB eth+0 72 ? Time 109 5(R 2=0 927, P< 0 001).

将冲洗时间加入多元分析 ,回归方程R2 =0 92 7,P <0 0 0 1。

57. The stepwise regress technology was applied to analyze the factors after virtualization of status variables.

将状态变量转化成虚拟变量后,运用逐步回归技术进行因素的回归分析。

58. Although these reactions appear to follow recognized stepwise pathways, they often occur simultaneously and competitively.

尽管这些反应好像延着已知步骤进行,但它们常常同时发生并竞争。

59. It has been proposed that stepwise progression occurs from atypical adenomatous hyperplasia (AAH) through bronchioloalveolar carcinoma (BAC) to invasive lung adenocarcinoma.

已经提出肺的不典型腺瘤样增生(AAH)到支气管肺泡癌(BAC)再到侵袭性肺腺癌发病过程。

60. Stepwise multiple regressions were carried out on the picture-naming latency. The R square of regression equation was 55.5%.

并尝试建立了概念一致性、熟悉性、表象一致性和词频对图片命名时间的回归方程,其预测能力为55.5%。

61. The uniariate chi-square test and stepwise logistic regression were used to predict the prealence of cure progression, and a receier operating characteristic cure was plotted.

应用单变量卡方检验和逐步逻辑回归来预测侧凸进展的发生率,绘制受试者工作特征曲线。

62. However, The stepwise multivariate regression analyses showed that DNA, religion, DNP and economic status contributed 15% of the variance in DNK.

影响K的因素依顺序为饮食营养态度、宗教、饮食营养行为与经济状况,共解释K变异量的15%。

63. acute stepwise levodopa challenge test

急性阶梯式左旋多巴试验

64. Stepwise discriminant analysis was performed to obtain risk factors of CAA based on clinical and early laboratory data.

我们先以单变数统计方法来检验十六个临床和实验变数,发现在两群中只有白血球和C-反应蛋白质具有统计上之显著差异。

65. Stepwise material feeding may overcome theproblem raised from the use of diethylene glycol.

所制得的氨基漆成本低、泽浅,性能达到国际同类产品指标。

66. Data were then analyzed through frequency, mean, standard deviation, one way analysis of variance, and stepwise multiple regression.

所得资料以次数分配、平均数、标准差、单因子变异数分析及逐步迴归分析等方式进行统计分析。

67. The collected data were analyzed by descriptive statistic, one-way ANOVA, pearson product-moment correlation, Stepwise Multiple Regression Analysis.

所得资料分别以描述统计、单因子变异数分析、积差相关与多元?归进行分析。

68. The data obtained were analyzed by path analysis, multivariate regression analysis, and stepwise regression analysis in terms of the purposes described above.

所得资料,配合上述目的,分别采用径路分析、多变项复廻归分析与逐步廻归分析三种方法统计处理。

69. The collected data were analyzed by t-test (independent), one-way ANOVA (independent), and multiple stepwise regression analysis.

所用的研究工具有工作价值观量表、组织承诺量表、工作投入量表及工作满意度量表。

70. The parasite population opposing vertical resistance may undergo stepwise development controlled by many genes.

抵抗垂直抗性的寄生物种群可能要经历许多基因控制的步增发育。

71. The dynamic partition and stepwise optimization methods are researched in iterate computation.These revise methods may accelerate astringency and enhance veracity.

提出了迭代计算过程中的动态划分、逐步优化方法,这些修正方法的使用可加快计算收敛性和提高计算准确性。

72. A method of stepwise regression analysis on water polluting is discussed with examples of the comprehensive water polluting index.

提出水质污染的逐步回归分析方法,并以年水质综合污染指数为例,对其进行逐步回归分析。

73. With the platform of GIS, using principal component analysis and dynamic stepwise cluster analysis of SPSS, tobacco growing areas in Yunnan is regionalized into different eco-climate districts.

摘要 在GIS平台上,利用统计分析软件SPSS中的主成份分析和动态逐步聚类方法进行云南烤烟生态气候类型区划。

74. On the flat of GIS, using principal component analysis and dynamic stepwise cluster analysis of SPSS, tobacco growing area in Yunnan is regionalized different ecoclimate types.

摘要在GIS平台上,利用统计分析软件SPSS中的主成分分析和动态逐步聚类方法进行云南烤烟生态气候类型区划。

75. A neural classifier based on stepwise correlative component analysis, named SCCA-HBP, for classifying the quality pattern of Chinese Medicinal Materials (CMM) is proposed.

摘要提出并构建了一种基于分步相关成分分析的神经元分类器(SCCA-HBP),并将其用于中药材质量模式分类。

76. Acid intensity of hydrosulfuric acid and stepwise ionization balance were discussed by the use of thermodynamic principle, which are helpful to inorganic chemistry teaching.

摘要本文应用热学原理对氢硫酸的强度及逐级电离平衡进行了讨论,有助于无机化学教学和学生学习。

77. Objective To enhance the yield and product quality of diosgenin extract, the method of stepwise biocatalysis was used.

摘要目的利用阶梯生物催化协同提高提取盾叶薯蓣中薯蓣皂苷元的收率和质量。

78. A burdening optimization model for sintering based on GA (Genetic Algorithm) and stepwise regression, was established and proved at Chongqing Iron and Steel Co.

摘要运用遗传算法和逐步回归分析的方法建立烧结配料优化模型,对重钢烧结配料优化,并进行了实验验证和分析。

79. Nonlinear multiple regression model on the structure activity relationship of ternary dissymmetric organic phosphate insecticide is obtained by quadratic polynomial stepwise regression method.

摘要采用二次多项式逐步回归分析法建立了三元不对称有机磷酸酯类杀虫剂的多元非线性构效关系回归模型。

80. The attacker should consider and combine multiple various attacking skills and do stepwise attacking to approach the objective.

攻击方需要组合多种不同的网路攻击手法、阶段性的攻击,逐步完成攻击目标。

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