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The objective was to reveal characteristics of nutrients accumulation and distribution in early and ratoon rice under different cultivation models; Dry weight and nutrients contents in the rice plants were determined at different developmental stages, using a new combination hybrid rice II Youhang 1 under super high-yield cultivation and conventional cultivation models;The results showed that the accumulated N, P and K in the plant were 15.06 g/m2, 4.58 g/m2 and 15.8 g/m2 at the fully ripening stage under SHC models, which were 47.2%, 21.2% higher and 9.1% lower than those under CC models respectively.

探讨不同栽培模式早稻-再生稻水稻的养分积累动态和分配特征；以杂交水稻新组合Ⅱ优航1号为材料，采用超高产栽培和常规栽培模式，通过测定水稻各生育期的干物质积累和养分含量变化；超高产模式头季稻稻株N含量在全生育期均高于常规模式，孕穗前稻株P含量、黄熟前及再生稻K含量亦明显高于常规模式。

In chapter 1, regression models with censored data, LSE for censored regression models and LAD estimation for models with fixed censoring point are introduced. Then, we state our main results for LAD estimator of nonlinear regression models with randomly censored data, including consistency, boundedness in probability and asymptotic normality. The proofs of our main theorems are given in detail. In chapter 2, we state the main difficulty of obtaining numerical solution for censored LAD estimation, and recall the history of studies on this problem including some anterior algorithms.

在第一章，首先介绍删失线性回归模型的基本概念和性质，并对已有的估计方法，如最小二乘估计、固定点删失的最小一乘估计等做了简单的回顾；然后，把固定点删失线性回归模型的最小一乘估计方法推广到了随机删失、非线性模型的情形，并得到了估计量的一些渐近性质，如相合性、渐近正态性等；最后，给出主要结果的详细证明过程。

One tanker truck before and after delivery were developed more than 110 bulletins models, load capacity ranging from 2-40T; high above the car were developed more than 30 bulletins models, ranging from a high from 12-25 meters; Tipper were developed more than 50 Notice of models tonnage ranging from 5-45T; special vehicle to develop models for more than 10 months notice, there are sanitation sweeper, garbage transfer vehicles, vacuum trucks welcome home, feed supply vehicle, high pressure washing cars and animal husbandry, agricultural machinery Cart and so on; for the national defense system designed to protect the overall self-loading and unloading Hooklift, military water trailer, six refueling military vehicles, airport vehicles oil recovery, multi-function blowing snow vehicles, field-value-added products such as fuel trucks are increasingly becoming the Product forces out loaded.

其中运加油车前后共开发110余个公告车型，承载能力从2—40T不等；高空作业车共开发30余个公告车型，高度从12—25米不等；自卸车共开发50余个公告车型，吨位从5—45T不等；特种车辆开发10余个公告车型，主要有环卫清扫车、垃圾转运车、真空洗尘车、饲料补给车、高压清洗车及畜牧、农用机械车等；为国防保障系统设计的整体自装卸拉臂车、军用水挂车、军用六管加油车、机场油料回收车、多功能吹雪车、野战加油车等高附加值产品正越来越多地成为部队的列装产品。

The basic theories of mathematical morphology for binary image are stated, and the most simple structure elements of morphologic transformation for binary images are proposed and proved. The geodetic morphologic transformation models are also developed. For the purpose of improving the speed of transformation in computer, the"set symmetric difference"is introduced to adapt each model. Some new morphologic filtering models and quantitative evaluating model of filtering effects in image processing are proposed, under the applied condition. The morphologic thinning methods are studied, and two new morphologic thinning models are developed. On the basis of analyzing the characteristics of mining maps, the image vectorizing tactics and a series of algorithms are proposed, including dynamic adaptive image thresholding using two thresholds, graphic and text separation, noise removal, and multi elements extracting models with mathematical morphology. Accuracy preserving compressed vectorizing model for image vectorization is put forward to generate vector data in multi layer.

论文对二值图象形态学的基础理论进行了较系统的阐述，提出并证明了二值图象处理中形态变换的最简单结构元素，并发展了测地形态变换模型；为了提高形态变换的计算机实现速度，引入了集合论中"对称差"的概念对各形态变换模型进行了改化；针对数学形态学在图象处理中的实际应用，提出了新的形态滤波模型及滤波效果的度量评价模型；研究了形态细化方法，提出了快速形态细化和保形快速形态细化算法；在研究矿图基本特征基础上，提出了人机协同矿图扫描图象矢量化处理策略及一系列扫描图象处理算法模型，包括双阈值动态自适应图象二值化、图文分离、噪声去除、图面多种要素提取形态变换模型等；在图象栅格—矢量转换中，提出了保精度压缩矢量化模型，以生成分层要素矢量数据。

In order to clearly recognize the geophysical response of carbonate reservoir,based on preliminary recognition of Ordovician carbonate reservoir under the basal surface in Tahe oilfield,some regular vug models and random arranged vug models were designed and built. The variable-grid finite difference method was used to simulate the seismic wave propagation in these models. Then,the seismic records of the models were analyzed and the effect to seismic reflections caused by vug is studied. The impact rule of regular vug scale and random arranged vug density on seismic attributes was obtained.

为了研究碳酸盐岩储层的地球物理响应特征，在对塔河油田奥陶系风化面下碳酸盐岩储层初步认识的基础上，利用随机介质建模技术，设计并建立了一系列碳酸盐岩储层规则孔洞和随机孔洞模型，并应用变网格有限差分法对地震波在孔洞模型中的传播进行了正演计算，对模拟得到的地震属性进行了分析，研究了孔洞对地震反射特征的影响，获得了规则孔洞尺度以及随机排列孔洞密度对地震属性的影响规律。

Thorough analysis of the present hydrate models as the base , contrapose to the deficiencies of present models, we have build a universal natural gas hydrate model base on the state equation which can be used in electrolytical and polarity inhibitors, realized the unite of electrolyte models and alcohol models.

在深入剖析目前水合物模型和实验的基础上，针对现有模型的不足，基于状态方程建立了一个适用于含电解质和极性抑制剂的通用天然气水合物计算模型，实现了电解质与醇类模型的统一。

We mainly discuss three types of inpainting models: the Bayesian model, geometric models and PDE models with emphasis on investigating TV inpainting, elastica inpainting and Mumford- Shah inpainting of PDE models. After studying the level set method and its applications to image processing, we concentrate on discussing the inpainting model...

在介绍水平集法及其在图像处理方面的应用之后，进一步深入地讨论了一类图像修复的变分模型—Mumford-Shah-Euler模型，在此基础上利用水平集法，提出MSE模型的数值逼近的算法格式，并对一些具体的图像修复问题开展数值模拟和修复，深入分析了MSE模型及水平集法在图像修复中的优缺点，这些结果在理论和实际应用中都很有意义。

Based on the achievements and developm ents in studying natural gas hydrates at home and abroad,the mechanism of causi ng the oil and gas reservoirs to be tightly sealed by the natural gas hydrates i s systematically analyzed in the paper through discussing the formation mechani sms,evolution properties and distribution laws of the natural gas hydrates.In li ght of the research on their control effects on petroleum accum ulation and reservoir preservation,several geologic models of oil and gas accumu lation and preservation related to the natural gas hydrates are proposed,such as vertically and laterally screened models,screened-by-drape and screened-by- contact models and syngenetically and epigenetically screened models,etc.

以国内外天然气水合物的研究成果和进展为基础，通过讨论天然气水合物的形成机制、演化特征以及其分布规律，系统分析了天然气水合物可以得天独厚地封盖油气藏的机理，探讨了其对油气藏尤其是气藏聚集和保存的控制作用，提出了天然气水合物聚集和保存油气的多类地质模式，如垂向遮挡和侧向遮挡、披覆遮挡和接触遮挡以及同生遮挡和后生遮挡等。

Modeling is one of the main methods used to research our world. Different kinds of models can be settled to solve different problems, such as physical models, mathematical models, figural models etc.

建模是人类认识世界和改造世界的主要方法之一，常用的数学模型有物理模型，数学模型，图示模型等等。

BMSCs and recombinant human GSF (50 μg/kg) were injected into models by tail vein and hypodermoclysis infusion respectively in the combination treatment group. Recombinant human GSF (50 μg/kg) was subcutaneously injected into models in the bone marrow stem cell autologous mobilization group. BMSCs were injected into rat models by tail vein in the BMSC group. Rat models in the heart failure group were intact.

造模后随机分成4组：联合治疗组尾静脉注射骨髓间充质细胞和皮下注入重组人粒细胞刺激因子50 μg/kg，自体骨髓干细胞动员组皮下注入重组人粒细胞刺激因子50 μg/kg，骨髓间充质干细胞组为尾静脉注射骨髓间充质细胞，心力衰竭组不给予任何干预。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。