The numerical results indicated that the mixing time decreases about linearly with increasing current intensity. The mixing time decreases first then increases with increasing current frequency and comes up to its minimum value at 30Hz. Applying the traveling magnetic field to the uptake or downtake when the exciting current intensity is 200 A at 10 Hz, the mixing time can be shortened by 9%~17%. With the operating conditions kept unchanged, shorter mixing time is available if applying the traveling magnetic field to the uptake instead of downtake, and the time can be shortened by 18%~26% if applying the magnetic field to both the uptake and downtake. Moreover, the mixing time decreases with increasing argon blowing flowrate, and the time comes down to its minimum value if the argon blowing flowrate is 1 600 NL/min. After the moment, the mixing time increases with argon blowing flowrate.

計(jì)算結(jié)果表明：混勻時(shí)間隨電流強(qiáng)度的增大而減小日韩午夜不卡免费毛片，并且近似成線性關(guān)系在线观看国产精品第一区二区免费；混勻時(shí)間隨電流頻率的增加先減小后增大亚洲精品在线小视频，并且在30Hz 時(shí)達(dá)到極小值亚洲Av人妻无码天堂；在勵(lì)磁電流強(qiáng)度為200A ，頻率為10Hz 的條件下日韩午夜软件在线观看视频网站大全，在上升管或下降管施加行波磁場(chǎng)混勻時(shí)間可縮短9%~17%；在相同操作條件下谁有最新黄色网址，在上升管處施加行波磁場(chǎng)混勻時(shí)間小于在下降管施加行波磁場(chǎng)的混勻時(shí)間日韩午夜福利片免费观看一区；同時(shí)在上升管和下降管施加行波磁場(chǎng)进网站看黃色A片，混勻時(shí)間可縮短18%~26%；混勻時(shí)間隨吹氬量的增大而減小久久综合亚洲，在吹氬量為1600NL/min 時(shí)混勻時(shí)間達(dá)到極小值啊啊啊啊用力插视频，吹氬量繼續(xù)增大時(shí)，混勻時(shí)間反而增大AAA污视频在线。

Ferromagnetism substances can be regarded as a right cylinder, and magnetic field characteristics around the pipe pile were analyzed on combination with model piles' tests. Lengths of pipe pile under buildings were detected by the magnetic logging principle.

把管樁中的鐵磁性物質(zhì)等效成直立磁性圓柱體久久黃片，結(jié)合模型樁試驗(yàn)，研究了管樁外部的磁場(chǎng)特征免费人成视频在线播放视频在线，并且利用管樁外部的磁場(chǎng)特征確定了某居民小區(qū)住宅樓基礎(chǔ)中管樁的長(zhǎng)度亚洲一区二区三区福利视频。

Knowledge of tungsten anode X-ray tube spectra is essential for X-ray dose control, X-ray image quality evaluation and dual-energy X-ray imaging etc. A model-based tungsten anode X-ray tube spectrum reconstruction method is presented in this paper.

X射線球管光譜信息是進(jìn)行X射線曝光劑量控制、X射線成像質(zhì)量評(píng)估人人操人人看人人摸av、X射線雙能量成像等必不可少的丰满饥渴东北老熟女，為此本文提出一種基于模型的鎢靶X射線球管光譜重建方法。

The St. Jude team first determined that CSCs are located in ascular niches by identifying cells carrying a protein called Nestin that marks stem cells (Nestin+ cells) in four types of brain cancer remoed from patients: medulloblastoma, ependymoma,oligodendroglioma and glioblastoma.

圣猶達(dá)研究組研究了病人的四種腦腫瘤：成神經(jīng)管細(xì)胞瘤影音先锋在线看资源、室管膜細(xì)胞瘤久久另类、少突神經(jīng)膠質(zhì)瘤和成膠質(zhì)細(xì)胞瘤，通過(guò)鑒別名為Nestin的蛋白來(lái)識(shí)別腫瘤干細(xì)胞本国黄色网站特黄色的免费看的，第一個(gè)驗(yàn)證了腫瘤干細(xì)胞存在于血管性的微環(huán)境中色色色色色色色色色色色色色狼操屄。

A high-strength steel pipe rockbolt has an expansive rockbolt main body prepared by processing a high-strength steel sheet of 1.8-2.3 mm in thickness with tensile strength of 490-640 N/mm 2 and elongation of 20% or more to a welded pipe and roll-forming the welded pipe to a shaped pipe having one or more concavities extending along an axial direction.

高強(qiáng)度鋼管錨桿具有可膨脹錨桿主體，該主體通過(guò)下列步驟制成：將抗拉強(qiáng)度為490～640N/mm 2 wuma005.com，伸長(zhǎng)率為20％或更大操逼免费性爱网站，厚1.8～2.3mm的高強(qiáng)度鋼板加工成焊接管，再將該焊接管滾軋成型成具有一個(gè)或多個(gè)沿軸向延伸的凹部的異形管一级黄色影片免费看。

Results: The angle that adjusting the reference line on the transverse plane is 32. 85°±6.76°, on the coronal plane is 14.15°±9.02°. The facial canal appears "ㄟ" on double oblique imaging geniculate ganglion, tympanic segment, post lap segment, mastoid segment were showed clearly. The achievement ratio is 100%. The segment displaying on double oblique imaging is more than transverse plane, coronal plane and sagittal plane.

結(jié)果：面神經(jīng)管雙斜位圖像需要在橫斷位參考圖像上旋轉(zhuǎn)參考線的角度為32.85°±6.76°A片视频特黄不卡免费视频中文字幕在线，在冠狀位參考圖像上旋轉(zhuǎn)參考線的角度為14.15°±9.02°；在面神經(jīng)管雙斜位圖像上无遮挡高潮喷水h全彩彩漫，面神經(jīng)管表現(xiàn)為&ㄟ&形亚洲视频第一，由前向后同時(shí)顯示出膝狀神經(jīng)節(jié)、鼓室段黄片观看在线、后膝部和乳突段91精品国产91久久无码；面神經(jīng)管雙斜位成像成功率為100%，面神經(jīng)管行程的顯示程度大于橫斷位欧美操逼网、冠狀位和矢狀位免费视频一及二及三及。

Histologically, the seminiferous tubules contained numerous Sertoli cells and more Sertoli-spermatozoa complexes, accompanied by the depletion of Leydig cells with deeply stained nuclei. Mature spermatozoa were stored up in the epididymis, but only a few in the efferent ducts. In the second place was testicular atrophy（32/120; 26.7%）. The seminiferous tubules showed moderate to severe inactivity of spermiogenesis with evidence of only spermatogonia, spermatocytes and Sertoli cells. The Leydig cells were obviously decreased in numbers associated with decrease of lipid droplets in their cytoplasms. Testicular hypoplasia was the third disorders（22/120; 18.3%）. Only a few spermatogonia and Sertoli cells appeared without any spermiogenesis. The associated changes was decreased in Leydig cells and fibrous hyperplasia in the interstitium.Epididymal stones were sometimes found（12/120; 10%）. Grossly, yellowish-white nodules with various sizes and firm in consistency were observed in the epididymis and the front efferent ducts. Microscopically, the epididymal ducts were dilated with voluminous spermatozoa storage, even showed calcification in severe cases. The deposited calcium salts were stained positively by Von Kossa and Alizarin red methods.Amyloidosis was also detected in 10 roosters（8.3%）. Eosinophilic, homogeneous, amyloid-like substances were deposited mainly in the testicular interstitium and the periphery of blood vessels. These substances showed positive reaction by Congo red staining. Five roosters（4.2%）had Marek's lesions in the testis, epididymis and peripheral nerves with infiltration of pleomorphic lymphocytes. Only one case showed epithelial necrosis of seminiferous tubules accompanied by fibrous proliferation in the interstitium.

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Therefore a GD sand-screening pipe is developed, which is helpful to the environment protection. This new sand-screening pipe consists of center pipe, sand filter and guide shoe. The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.

這種環(huán)保型濾砂管由中心管看偷拍视频的网站、濾砂器及引鞋組成影音先锋每日AV资源站，中心管采用 6 4mm油管加工而成，兩端為特種 6 4mm平式油管螺紋官方网站黄色网站黄色网站一级片，管體上每米均勻分布 72個(gè)直徑 10mm孔眼九九热这里只有精彩视频；濾砂器是根據(jù)不同技術(shù)標(biāo)準(zhǔn)篩選不同粒度的石英砂、油井水泥、添加劑和水按配比加工壓制的首页日韩欧美中文。

The fuse pipe is the main part of fuse,it is made by installing the fuse wire in the porcelain pipe,filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.

熔斷管是熔斷器的主要部件免费级A片一级毛片一级，它是由熔絲裝在瓷管中，并在瓷管中充填石英砂xxxx9999电影网，兩端密封而成。

The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube.[1] It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.

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