Based on the involute's basic principles and theoretical formulas, input the involute's formulas of cartesian coordinates into the equation editor, accordingly create the precise involute of gear's contour. Based on the formula of helical gear's parameters, accurately create a curve of tooth profile. Create the chraceristics of helical gear by ordering of swept blend and array.

依據(jù)漸開線生成的基本原理和理論公式国产欧美日韩免费影片在线观看，在方程編輯器中輸入漸開線的笛卡爾坐標(biāo)方程a级性爱，從而生成精確的齒輪輪廓漸開線淫插视频一区二区三区；根據(jù)角變位斜齒輪各參數(shù)的計(jì)算公式国产性受XXXX白人性爽，精確創(chuàng)建了齒廓曲線；利用掃描混合和陣列命令創(chuàng)建斜齒輪的輪齒特征日本欧美美女性爱。

C The profile is of berm, which the section below the berm is concave. Using the polynomial curve to fit the shapes of the mean profile, the exponential equation of the equilibrium beach profile in South China was established, which has a general form: y=〓+ C. 2 It's obvious for the beach processes to vary with seasons. The main variation processes of beach profiles are composed of four kinds of mode which are the equilibrium profile mode, the berm mode, the foreshore mode and the bar mode. 3 Beach systems of the arc-shaped coast in South China exhibit an wide range of morphologic and dynamic variability with respect to both time and local environment.

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The Gompertz model is derived based on differential equation of growth-type curve, in order to get a method for prediction of production rate, accumulative production rate, recoverable oil, peak annual production rate and corresponding time of solution gas in oilfield, and determine the valid applicable range in field.

基于增長(zhǎng)類型曲線微分方程性生大片免费观看一级在线，對(duì)實(shí)用的Gompertz模型進(jìn)行了推導(dǎo)，得出了預(yù)測(cè)油藏溶解氣產(chǎn)量激情小说激情图片中文字幕激情视频、累積產(chǎn)量亚洲国产欧美一区,二区、可采儲(chǔ)量、最高年產(chǎn)量及其對(duì)應(yīng)時(shí)間的方法yoijizz国产，并在礦場(chǎng)應(yīng)用分析基礎(chǔ)上確定了該模型的有效適用范圍白丝小仙女高潮喷白浆。

During the BPSE process, a high-speed special mode frame is sent, bit error rate is fed back to the sender, as well as signal to noise and BERs for each rate are obtained by looking up the empirical BER/SNR curve. During the SLRA process, the equation of goodput relative to BER and frame length is solved, to obtain the maximized goodput and its related BER and frame length.

SLRA先通過(guò)求解有效帶寬、BER和包長(zhǎng)度的解析方程手机日韩在线另类，然后得到各種速率下的最優(yōu)有效帶寬网站的黄色的热播视频、及其相應(yīng)的包長(zhǎng)度，從而在理論上優(yōu)化有效帶寬免费看特级婬片日本；由于SLRA計(jì)算過(guò)程非常復(fù)雜日三级视频，我們提出了近似查表的方法來(lái)簡(jiǎn)化優(yōu)化過(guò)程，使得其適用于便攜式通信設(shè)備久久东京热视频。

According to testing results, the stress-strain curve of the cemented soil stabilized the nanometer silica fume is fitted using a quadratic parabolic curve and expression equation for upward sector of the stress-strain curve is given.

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It is shown that two-component Wadati-Konno-Ichikawa equation, i.e. a generalization of the wellknown WKI equation is obtained from the motion of space curves in Euclidean geometry, and it is exactly a system for the graph of the curves when the curve motion is governed by the two-component modified Korteweg-de Vries flow. At the same time, a n-component generalization to the WKI equation is obtained. Also, starting from the motion of curves, mKdV and its symmetry recursion operator is exhibited explicitly; two- and n-component mKdV systems are obtained. It is shown that WKI systems are gauge equivalent to mKdV systems. The two-component WKI equation admits an infinity number of conservation laws and a recursion formula for the conserved densities is given by considering an eigenvalue problem together with introducing an appropriate transformation.

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Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equation with τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed. Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流變學(xué)、非牛頓流體力學(xué)美女福利网站导航、石油化學(xué)911亚洲精品、結(jié)晶學(xué)、原油管輸工藝學(xué)等理論狼友视频永久在线在线视频，以華北原油為研究對(duì)象人妻少妇精品视频一区二区，結(jié)合原油物性及實(shí)驗(yàn)影響因素分析，制定出實(shí)驗(yàn)研究的評(píng)價(jià)指標(biāo)及實(shí)驗(yàn)方案一级看片久久网；從連續(xù)介質(zhì)力學(xué)宏觀分析的角度欧美伊人激情网在线观看，利用HAAKE RS600高端旋轉(zhuǎn)流變儀開展了大量的室內(nèi)實(shí)驗(yàn)，并運(yùn)用微觀研究方法色五月综合在线，測(cè)定了油樣的流變曲線和粘溫曲線Cao.网站，建立了流變方程和粘溫方程；通過(guò)對(duì)觸變性機(jī)理和觸變性流體特征的研究在线观看视频网站黄色，首次對(duì)華北原油測(cè)定出滯回環(huán)曲線永久免费AⅤ在线观看、結(jié)構(gòu)破壞與恢復(fù)粘時(shí)曲線、剪切應(yīng)力裂降過(guò)程曲線毛片网在线播放，并在理論研究和實(shí)驗(yàn)結(jié)果的基礎(chǔ)之上无码网站在线观看操人，建立了能定量描述含蠟原油剪切應(yīng)力裂降過(guò)程的新型三參數(shù)觸變模式τ=τ_∞e~b/(t+c，該模型具有精度高日本黄色免费网址、參數(shù)少人人操日日插、實(shí)驗(yàn)簡(jiǎn)便且適用性強(qiáng)的特點(diǎn)；通過(guò)對(duì)含蠟原油流變性的影響因素理論研究日韩国产综合在线，開展了加劑條件優(yōu)選及BEM-5P降凝劑室內(nèi)評(píng)價(jià)實(shí)驗(yàn)欧美一级粗暴又裸又黄，進(jìn)一步揭示了降凝劑對(duì)華北原油作用機(jī)理，在此基礎(chǔ)之上色呦呦亚洲色图，提出了華北原油管輸?shù)目尚行苑桨浮?/p>

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equationwith τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed.Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流變學(xué)青草青草久久伊人热、非牛頓流體力學(xué)、石油化學(xué)在线懂的、結(jié)晶學(xué)国产在线视频小说在线观看、原油管輸工藝學(xué)等理論，以華北原油為研究對(duì)象黄片视频在想观看，結(jié)合原油物性及實(shí)驗(yàn)影響因素分析99re，制定出實(shí)驗(yàn)研究的評(píng)價(jià)指標(biāo)及實(shí)驗(yàn)方案欧美一级日韩片；從連續(xù)介質(zhì)力學(xué)宏觀分析的角度，利用HAAKE RS600高端旋轉(zhuǎn)流變儀開展了大量的室內(nèi)實(shí)驗(yàn)国产手机在线观看一级一黄色视频，并運(yùn)用微觀研究方法五月天色欲综合网，測(cè)定了油樣的流變曲線和粘溫曲線，建立了流變方程和粘溫方程amA片免费看；通過(guò)對(duì)觸變性機(jī)理和觸變性流體特征的研究曰本性l交片视频视频，首次對(duì)華北原油測(cè)定出滯回環(huán)曲線、結(jié)構(gòu)破壞與恢復(fù)粘時(shí)曲線99久久精品这里只有精品、剪切應(yīng)力裂降過(guò)程曲線a片av在线播放，并在理論研究和實(shí)驗(yàn)結(jié)果的基礎(chǔ)之上，建立了能定量描述含蠟原油剪切應(yīng)力裂降過(guò)程的新型三參數(shù)觸變模式τ=τ_∞e~b/(t+c亚洲欧美一区日韩一区a，該模型具有精度高在线欧美片、參數(shù)少、實(shí)驗(yàn)簡(jiǎn)便且適用性強(qiáng)的特點(diǎn)超碰在线免费播放；通過(guò)對(duì)含蠟原油流變性的影響因素理論研究日韩精品另类图片视频在线观看网站，開展了加劑條件優(yōu)選及BEM-5P降凝劑室內(nèi)評(píng)價(jià)實(shí)驗(yàn)，進(jìn)一步揭示了降凝劑對(duì)華北原油作用機(jī)理yp污网站在线观看，在此基礎(chǔ)之上色站精品视频在线，提出了華北原油管輸?shù)目尚行苑桨浮?/p>

According to the stress-strain curve equation of concrete compression, we simplified the rectangle stress graph of the stress on the area of its bending cross-section in this paper. A general formula for the height of equivalent compression stress block and the stress strength formula were deducted.

根據(jù)混凝土受壓應(yīng)力－應(yīng)變關(guān)系的常用曲線方程，對(duì)受彎截面壓區(qū)混凝土應(yīng)力進(jìn)行了矩形應(yīng)力簡(jiǎn)化久久国产精品国产精欧洲欧洲黄页，推導(dǎo)得到了等效矩形應(yīng)力圖形高度及應(yīng)力強(qiáng)度的一般公式AV黄色网站在线播放。

In this paper a full density matrix treatment is adopted to deal with the interaction between long-pulse, circularly-polarized light and the sodium atoms. The time evolution curve of each of the 24 sub-state's population probability can be obtained by solving the Bloch equation of twenty-four hyperfine levels.

采用密度矩陣方法來(lái)處理長(zhǎng)脈沖光與鈉原子的相互作用，求解24能級(jí)鈉精細(xì)結(jié)構(gòu)的布洛赫方程欧美uuuu666，給出參與躍遷的每個(gè)態(tài)密度隨時(shí)間的演化曲線91精品久久久精品麻豆。