He unbuttoned successively in reversed direction waistcoat, trousers, shirt and vest along the medial line of irregular incrispated black hair extending in triangular convergence from the pelvic basin over the circumference of the abdomen and umbilicular fossicle along the medial line of nodes to the intersection of the sixth pectoral vertebr aelig ;, thence produced both ways at right angles and terminating in circles described about two equidistant points, right and left, on the summits of the mammary prominences
然後又反過來自下而上地依次解開背心長褲襯衫和內衣紐扣。他那雙手的軌跡從參差不卷縮起皺的黑色體毛的中心線也就是自骨盆底到下腹部肚
臍眼周圍那一簇簇體毛,又沿著節結的中心線進而延伸到第六胸脊椎的交叉點,從這里又向兩側叢生,構成直角
形,在左右等距離的兩個點,即環繞乳頭頂端
形成的三角
形收斂圖
形的中心線穿行。
Finally we prove that two types of totally real pseudo - umbilical submanifolds with ? at normal bundle must be minimal
最後,還證明了復射影空間中兩種類型的法叢平坦全實偽
臍子流
形必是極小的
In the case of closed surface, we obtain the following result : theorem 3. 1 let m be a closed surface with parallel mean curvature direction in r4 ( ), which admitting an isometric deformation preserving mean curvature
在閉的情況下,我們得到如下結果:定理3 . 1設m是r4 (約中平均曲率方向平行、非
臍的閉曲面.若m容有保持平均曲率方向平行、且保平均曲率的等距變
形曲面應,則m有常平均曲率
These accounts implied that under the right conditions, stem cells from the bone marrow could contribute to virtually any part of the body. ( similar claims have been made for the so - called fetal stem cells found in umbilical cord blood, which resemble hematopoietic stem cells
骨髓捐贈者的細胞后來可在移植者體內的多種組織中找到,這意味著在適當的環境下,來自骨髓的幹細胞幾乎可
形成身體的任何部位;而來自
臍帶血的胎兒幹細胞,據稱也具有類似造血幹細胞一般的能力。
However, after they were beaten and their intellectual and ideological struggles were shattered, many of kuo pao kun ' s contemporaries either retreated into oblivion or channelled their energy into making money and achieving fame
然而,當這一代華文知識分子的精神追求隨著意識
形態的破滅而破滅,當他的同道們在遭受摧殘后成批地消沉退隱,或轉身投向名利場,郭寶昆經歷了一個怎樣的內省過程,他如何咬斷
臍帶浴火重生?
Part iii hvec, vsmc and fibroblast were seeded onto inner surface of tubular porous pga and phb scaffold precoated with collagen. sead hvec, vsmc and fibroblast onto three porous polyglycolic acid and poly - ? - ydroxybutyrate scaffolds precoating with collagen, which different caliber but embedded each other. observe cell growth and differentiation on these scaffolds
通過用膠原分別包埋處理的三個管徑大小不同、但能相互嵌套的pga及phb管
形支架,並種植人
臍靜脈內皮細胞、人血管平滑肌細胞、人成纖維細胞進行三維立體生長培養,觀察細胞生長分化情況。
As a result, ( i ) let k ( x ) be the function assign to each point x of m the infinimum of the sectional curvatures of m at that ponit, if k ( x ) satisfies, then m is totally umbilical. ( ii ) let q ( x ) be the function assign to each point x of m the infinimum of the ricci curvatures of m at that ponit, if q ( x ) satisfies q > 1 / 4 ( n - 2 ) ( c + 4h2 ) - 1 / 4nc, then m is totally umbilical, ( iii ) let a be the square length of the second fundermental form, if satisfies, then m is totally umbilical
) )中具有非零平行法平均曲率向量的緊致全實偽
臍子流
形m ~ n ,得到了( ? )如果m ~ n在其點x的截面曲率的下確界函數k ( x )滿足條件:則m ~ n是全
臍的( ? )如果m ~ n在其點x的ricci曲率的下確界函數q ( x )滿足條件:則m ~ n是全
臍的。 ( ? )如果m在m中的第二基本
形式h長度的平方滿足條件:則m ~ n是全
臍的。
This paper contains three chapters. we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p. in particular, a sufficient condition for mn with constant scalar curvature to be totally umbilical is given
討論desitter空間s _ p ~ ( n + p )中具有平行的單位平均曲率向量的緊致類空子流
形m ~ n的第二基本
形式長度拼擠問題,給出了具有常數量曲率的這種子流
形是全
臍球面的一個充分條件。
The complete hypersurfaces with constant mean curvature in locally symmatric manifold are investigated, a characteristric theorem of complete hypersurface in locally symmatric manifold is obtained
摘要研究局部對稱黎曼流
形中的具有常中曲率的完備超曲面,得到了這類曲面全
臍的一個結果。
The center of a starch grain around which the layers of starch are deposited
臍點:是澱粉粒的
形成中心,澱粉成層積聚在
臍點周圍。
Some pinching theorems about totally real pseudo - umbilical submanifolds with parallel mean curvature vector becoming totally real and totally umbilical submanifolds are obtained by choosing a suitable frame ? eld
通過選取合適的活動標架,獲得具有平行平均曲率向量的全實偽
臍子流
形成為全實全
臍子流
形的若干pinching定理
Methods human umbilical vein endothelial cells ( huvecs ) were cultured in vitro
方法體外培養人
臍靜脈內皮細胞,通過傳代
形成細胞的衰老模型。
In this paper, we mainly study the totally real pseudo - umbilical sub - manifolds of a complex projective space : we discuss how to construct them and give the examples
本文主要研究復射影空間中的全實偽臍子流形:討論它們的構造,並給出具體例子