In vitro, bovine mammary epithelial cells were isolated and cultured by the tissue explant method in order to investigate the optimal culture conditions.

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Strictly according to stipulate of national standard GB3836-2000 with the electric equipment of explosibility gas environment to design, make and examine.

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The expression of exponential curve is brought out to describe positive temperature-gradient of this bridge in this dissertation. Moreover, the relation of different factors to positive temperature-gradient is determined quantitatively.

根據(jù)計算研究結(jié)果，定量地確定了各影響因素與正溫度梯度曲線的關(guān)系久久有精品，證明了太陽輻射強度和日氣溫變化的幅值是影響混凝土箱梁正溫度梯度的重要因素国产成人午夜福利影片在线播放网站。

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Sand box analog models have been proved to be powerful tools for demonstrating the structural styles of extensional fault systems .

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Variable Transmission 3.1 external enclosure materials and corrosion requirements be consistent with the body.

變速傳動箱 3.1 箱體材質(zhì)及內(nèi)外防腐要求與閥體原則一致。

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The conclusion is that the casing structure should be optimized during gear box casing design to ensure sufficient safety factor at loading area of the casing.

傳動箱箱體在設(shè)計過程中應(yīng)優(yōu)化箱體結(jié)構(gòu)沈阳45熟女露脸视频对白，確保箱體受力部位具有足夠大的安全系數(shù)日韩丝袜清纯自拍视频。

Two year later, the Mona Lisa was discovered hidden in the false bottom of a trunk in a Florence hotel room.

兩年后，在佛羅倫薩飯店的一個房間中欧美国产黄视频，有人在一個旅行箱的夾層中發(fā)現(xiàn)了這幅畫亚洲人人看a。

CONBOX is specifically developed for the analysis and design of post-tensioned and cast-in-place reinforced concrete box girder and slab bridges constructed on falsework.

CONBOX 專用于分析設(shè)計后張預(yù)應(yīng)力與現(xiàn)場澆筑鋼筋混凝土箱梁及構(gòu)建于支架的平板橋的軟件。