Archimedean mathematical thought gives us the inspiration: the ingenious physical deduction is the important method of the scientific discovery; the strict mathematical deduction is the necessary step to confirm the result; the several basic principles to be selected act as foundation of deduction; devote oneself to the scientific truth and do not seek secular profit.

由Archimedes的數(shù)學(xué)思想得到的啟示是：巧妙的物理論證是科學(xué)發(fā)現(xiàn)的重要方法；嚴(yán)格的數(shù)學(xué)論證是確立結(jié)論的必需步驟久久久久久免费精品久久久；要精選若干基本原理321影音，作為論證的基礎(chǔ)；要獻(xiàn)身科學(xué)真理欧美+日韩+一区，不為俗世需求所動(dòng)搖欧美亚洲图片小说综合网。

For the images of VSMCs cultured on the silicon membrane stretched by pulsatile flow, one method with eight steps based on difference arithmetic operators is proposed. Image enhancing, image graying, halation removing, Canny edge detection, mathematical morphology dilation, edge smoothing, mathematical morphological reconstruction are implemented according to the set sequence.

本文針對(duì)膜式張應(yīng)力裝置中體外培養(yǎng)血管平滑肌細(xì)胞圖像，深入分析了該細(xì)胞力學(xué)實(shí)驗(yàn)中細(xì)胞圖像的特點(diǎn)色色啦啦，提出了基于微分邊緣檢測(cè)算子的圖像分割技術(shù)路線www.色色色色色色，依次為圖像增強(qiáng)、灰度化、消除光暈爱看AV在线、Canny邊緣檢測(cè)自拍欧美、數(shù)學(xué)形態(tài)學(xué)膨脹、區(qū)域填充色哟哟在线高清播放、平滑邊緣国产在精品在线观看、形態(tài)學(xué)重建。

On putting forward a research method of the history of mathematical economics by synthesizing the intrinsic and extrinsic historical factors, the author examines some problems in the early development of mathematical economics in the light of arithmetization of analysis.

提出研究數(shù)理經(jīng)濟(jì)學(xué)史內(nèi)中国大陆高清aⅴ毛片、外史結(jié)合的一種方法东南亚无码出在线，并用該方法以 1 9世紀(jì)分析算術(shù)化為背景，考察了數(shù)理經(jīng)濟(jì)學(xué)早期發(fā)展的若干問題欧美亚洲综合卡通另类，指出數(shù)學(xué)基礎(chǔ)問題是 1 870年前在經(jīng)濟(jì)學(xué)中應(yīng)用數(shù)學(xué)方法的主要障礙玖玖视頻，以分析算術(shù)化為代表的數(shù)學(xué)基礎(chǔ)重建則是此后數(shù)理經(jīng)濟(jì)學(xué)迅猛興起的重要條件。

By putting forward a research method on the history of mathematical economics through the synthesis of the intrinsic and extrinsic historical factors , the author examines some issues in the early devel-opment of mathematical economics in the light of arithmetization of analysis.

提出研究數(shù)理經(jīng)濟(jì)學(xué)史的內(nèi)秋霞电影网理论电影在线观看、外史相結(jié)合的方法国产激情一区二区三区app，并以十九世紀(jì)分析算術(shù)化為背景，用該方法探討了數(shù)理經(jīng)濟(jì)學(xué)早期發(fā)展的若干問題黄色网站免费观看。，指出數(shù)學(xué)基礎(chǔ)尚未完善的問題是1870年前在經(jīng)濟(jì)研究中應(yīng)用數(shù)學(xué)方法的主要障礙婷婷综合五月天丁香激情，而以分析算術(shù)化為代表的數(shù)學(xué)基礎(chǔ)重建則是此后數(shù)理經(jīng)濟(jì)學(xué)迅猛興起的重要原因。

Experiments of flow conductivity closure stress of typical propping agent are done, propping agent short-term flow conductivity alteration index is defined, by this, the relation between fissure short-term flow conductivity and closure stress, it is close to exponential relation. 4. Establishing the mathematical simulator of hydraulic fractured well's production in a steady state, finding the relation curve between dimensionless flow conductivity and fracture penetration coefficient by means of calculation and analyses, it is the basis of hydraulic fracture. 5. Expatiating the importance of optimized hydraulic fracturing design in reservoir engineering, advancing the optimizing design method, fracture dimension can be calculated easily when the physical parameters are known. 6. Production rate decline standard curve of vertical fractured wells is achieved by mathematical simulation, when the flow pressure is certain , by asymptotic analyze, this decline curve is close to exponential relation.

完成了國(guó)內(nèi)外典型支撐劑的導(dǎo)流能力閉合應(yīng)力影響實(shí)驗(yàn)亚洲观看精品一区二区在线，在數(shù)據(jù)分析中定義了支撐劑短期導(dǎo)流能力變異系數(shù)这男人看的黄色视频。成年人看的黄色视频。，并由此發(fā)現(xiàn)裂縫短期導(dǎo)流能力隨閉合應(yīng)力變化的近似符合指數(shù)關(guān)系式； 4 建立了一種水力壓裂井穩(wěn)態(tài)產(chǎn)能的數(shù)學(xué)模擬器免费三A级毛片，計(jì)算分析找到了最優(yōu)無量綱導(dǎo)流能力與裂縫穿透比之間的新型關(guān)系曲線射射人人，它是水力壓裂優(yōu)化設(shè)計(jì)的基礎(chǔ)； 5 闡述了水力壓裂油藏工程優(yōu)化設(shè)計(jì)的重要性级A现看免费黄色视频，提出了優(yōu)化設(shè)計(jì)方法把女人弄爽A片视频，在已知支撐劑物性參數(shù)條件下可簡(jiǎn)潔計(jì)算最優(yōu)裂縫尺寸； 6 數(shù)學(xué)模擬給出了垂直裂縫井產(chǎn)量遞減標(biāo)準(zhǔn)曲線狼友视频首页x，在井底定壓條件下通過漸近分析表明精品高清久久久久久久久，該遞減曲線滿足指數(shù)關(guān)系式。

His main contribution is the first in mathematical logic, his departure from mathematical logic, the logic of established Atomism and a new realism, he became the founder of modern philosophy of one.

他的主要貢獻(xiàn)首先是在數(shù)理邏輯方面欧美日韩国产黄片，他由數(shù)理邏輯出發(fā)久久精品视频九九，建立起來的邏輯原子論和新實(shí)在論，使他成為現(xiàn)代分析哲學(xué)的創(chuàng)始人之一日韩精品视频免费看。

Through the use of a coordinate axis and function tools, it tries to create a mathematical model and integration of the choice funnel and the counter-fact inference, and to make a functional analysis of the funnel model and find the mathematical relationship between the choice funnel and the counter-fact inference, and finally to definite the demarcation of the range of its usage and the limit of its effectiveness.

通過使用坐標(biāo)軸和函數(shù)工具黄色视频在线流畅，對(duì)"選擇的漏斗"和"反事實(shí)推理"進(jìn)行數(shù)學(xué)建模與整合，對(duì)漏斗模型進(jìn)行函數(shù)分析精品久久久久久亚洲综合网，從而推導(dǎo)出"選擇的漏斗"與"反事實(shí)推理"之間的數(shù)學(xué)關(guān)系免费黄色A片网站视频，界定兩者的使用范圍和效力限度。

The first elucidates the meaning and content of the research of mathematical culture, which can be depicted as a powerful dynamic system, the core of which is the mathematics science, and parts are composed of correlated cultural fields which are interfered by mathematical idea, spirit, method, technology and theory such as.

數(shù)學(xué)文化可以表述為以數(shù)學(xué)科學(xué)為核心，以數(shù)學(xué)的思想天天干天天透天天日、精神那有毛片网站、方法、技術(shù)精品视频在线观看九九、理論等所輻射的相關(guān)文化領(lǐng)域?yàn)橛袡C(jī)組成部分的一個(gè)具有強(qiáng)大功能的動(dòng)態(tài)系統(tǒng)。數(shù)學(xué)文化涉及的基本領(lǐng)域包括哲學(xué)一级片片片大A片、藝術(shù)欧美色色超碰、歷史、經(jīng)濟(jì)二级免费黄片国产播放久久久,噜噜噜、教育亚洲人人级、思維科學(xué)、政治及各門自然科學(xué)国产特黄品爱网。

Correlation of drillability anisotropy index of the roller cone bit and PDC bit, the difference between drillability of the roller cone bit in perpendicular and horizontal directions of the bedding plane with the P-wave velocity anisotropy coefficient are studied respectively by means of mathematical statistics. A mathematical model is established for predicting drillability anisotropy index by using P-wave velocity anisotropy coefficient.

用數(shù)理統(tǒng)計(jì)方法研究分析了牙輪鉆頭巖石可鉆性各向異性指數(shù)在线精品日韩一区二区美女、牙輪鉆頭垂直于和平行于地層層面方向巖石可鉆性差值和PDC鉆頭巖石可鉆性各向異性指數(shù)與縱波波速各向異性系數(shù)的相關(guān)關(guān)系，建立了用縱波波速各向異性系數(shù)評(píng)價(jià)地層可鉆性各向異性的模型国产无遮挡免费视频一区二区。

The mathematical model of gas carburization is mathematical description of all kinds of physical and chemical phenomena in the process of carburization.

氣體滲碳數(shù)學(xué)模型是滲碳過程中各種物理亚洲黄黄、化學(xué)現(xiàn)象的數(shù)學(xué)描述。