Based on the filtration theory, the deliverability test theory and model are discussed and the relationship between coefficient of the binomial deliverability equation and the penetration rate, depth of pay zones and skin factor are analyzed.

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The article analyzes the dominant factor of gas well productivity based on absolute open flow potent and binomial deliverability equation.

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Firstly, single factor analysis, including Independent-sample T Test for scale variables, Chi-square Test for binomial and nominal variables, Nonparametric Test for ordinal variables, was used in 60 clinical variables.

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Therefore, in this article,we first discussed the compound negative binomial, it able to simultaneously fitthe claim size and the claim number. At the same time, we studied the sum of themutually independent compound negative binomial and the sum of the mutuallyindependent compound negative binomial with discount factor and the sum of themaximal compound negative binomial; Next, for the claim data to be better fitted, this article has establishedthe superposition distributed model about the weighted average of the discreterandom and has discussed the estimation method of the parameters of thesuperposition distribution; Once more, we in detail elaborated the NCD which based on the claim numberand the NCD which based on the claim size and the claim number. Besides, weestablished an applied NCD model which also based on the claim size and the claimnumber; At last, we introduced the rewards and punishment coefficient of automobiletravel region into the applied NCD model, availably consummated the present NCD.

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Since the number of trips is a non-negative integer, truncated, and of endogenous stratification, this study empirically analyzes its recreational benefits by the On-site Poisson and truncated negative binomial with endogenous stratification of the Travel Cost Method. Besides, this study adopts TNBES to see how the number of trips disperse and takes the consumer surplus to assess benefits. As to visitors' valuation, this research uses the ordered probit to do empirical analysis and then divides all satisfaction factors by the factor analysis and cluster analysis into four factors and two clusters, which then are taken as explanatory variables.

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In addressing the heterogeneity factor, this paper will use Logistic regression, the Beta-binomial model the Williams method arid GLMM to analyze the secondary data collected at the incidence of Downy mildew on grapes and Phomopsis leaf blight on strawberrys. Also, there will he a thorough discussion on the advantages and disadvantages among the different model approaches according to -2 Res Log Likelihood, AIC, BIC and residual plots.

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The results of a logistic multi-factor regression analysis by binomial classification, with psychological health as dependent variable (dichotomized variable : SCL-90 factors which has 1 item or above with scores equal or bigger than 2 are valued 1, thoses with an average score smaller than 2 are valued 0) and all factors of life events as independen variables, showed that the family-related bad incidents, bad incidents of work and study and bad incidents of sociality problems were modeled, in which three factors were dangerous factors.

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The relations expressing the corresponding changes of the Factor A and Factor B in the binomial with the deviation factor and viscosity of natural gas are derived in the paper.

文章推導(dǎo)出二項(xiàng)式系數(shù)A影音先锋影院、B隨天然氣偏差系數(shù)和粘度對應(yīng)變化的關(guān)系式。