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bone
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    Experimental studies on anti-infective reconstituted bone xenograft and its preliminary clinical use
    抗感染重组合异种系列实验研究及初步临床应用
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    The Production of Recombinant Human Bone Morphogenetic Protein 2 and 4 the Changes of Bone Morphogenetic Protein 2 Expression in the Limb Bones of the Tail-suspended Rats
    基因工程重组人形成蛋白2及4的制备及悬吊大鼠四肢形成蛋白2表达的变化
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    The Studies of Application Platelet Rich Plasma to Bone Tissue Engineering
    富含血小板血浆应用于组织工程的研究
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    Experimental Study on Fabrication of Tissue Ngineered Bone and Cartilage with Mesenchymal Stem Cells
    髓间充质干细胞构建组织工程化与软的实验研究
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    Experimental Study of Cryopreservaton of Tissue Engineered Bone
    组织工程低温保存的实验研究
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  骨骼
    COMPARISON OF BONE DIMENSION, BODY WEIGHT AND BODY LENGTH BETWEEN MUTANT DWARF MICE (DW~t) AND TA3 AT DIFFERENT AGES
    突变体——侏儒小鼠(dw~t)与津白3(TA3)不同日龄骨骼、体重及体长的比较
短句来源
    STUDY ON TRACE ELEMENTS IN DINOSAUR BONE FOSSILS AND COMPARISON WITH OTHER VERTEBRATE BONES
    恐龙骨骼化石与其它脊椎动物骨骼的微量元素的对比研究
短句来源
    An Investigation of Mechanical Properties of Human Bone
    人体骨骼力学特性探讨
短句来源
    Study of Bone Mineral Density in Pregnant Women
    妊娠妇女骨骼密度变化的观察
短句来源
    The Effect of Bone Morphogenetic Protein-7 in Skeletal System
    骨形态发生蛋白-7(BMP-7)在骨骼系统中的作用
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  骨组织
    The Studies of Application Platelet Rich Plasma to Bone Tissue Engineering
    富含血小板血浆应用于骨组织工程的研究
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    The Experimental Study of the Adipose Mesenchymal Stem Cells as the Seeding Cells of Bone Tissue Engineering
    脂肪间充质干细胞作为骨组织工程种子细胞的实验研究
短句来源
    The Biological Characteristics of Mesenchymal Stem Cells from Human Bone Marrow and Its Application for Bone Tissue Engineering
    人骨髓间充质干细胞及其在骨组织工程应用的实验研究
短句来源
    Biomechanics of Whole Bones and Bone Tissue
    完整骨与骨组织的生物力学
短句来源
    DATA SOURCES:An online search of American NCBI Pubmed database was undertaken to identify English articles about transplantation immunity and bone tissue engineering between January 1998 and January 2006 by using of "bone tissue engineering,scaffold,antigen,immunity"and relevant articles published in Chinese with the keywords of "bone tissue-engineering,transplantation immunity,natural bio-scaffold" from January 2002 to January 2006 were applied.
    资料来源:应用计算机检索美国NCBI Pubmed数据库1998-01/2006-01关于骨组织工程中移植免疫研究的文章,主要检索主题词包括“bone tissue engineering,scaffold,antigen,immunity”,语言设为英语; 检索2002-01/2006-01中文期刊相关文章,检索词为“骨组织工程,移植免疫,天然生物支架”。
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  “bone”译为未确定词的双语例句
    A Study on the Mechanism of Effect of Exercise on the Development of Long Bone in Rats
    运动对大鼠长骨发育作用机理的研究
短句来源
    Immune Responses Induced by IL-15 and HPV16E7 Gene and Effects of the Surface Molecules and Immune Function of Murine Bone Marrow-Derived Dendritic Cells-modified
    HPV16E7DNA疫苗和IL-15重组质粒的联合免疫作用及对树突状细胞表面分子的表达和功能的影响
短句来源
    Research on Biocharacter and Bone Formation of Transfected Osteoblasts with bFGF Gene
    bFGF基因转染成骨细胞的生物学性质及成骨研究
短句来源
    HUMAN OCCIPITAL BONE AND MAMMALIAN FOSSILS FROM CHAOXIAN, ANHUI
    安徽巢县发现的人类枕骨化石和哺乳动物化石
短句来源
    Mechanical analysis of reaction of bone plate system to external loading
    股骨—接骨板系统对外荷载反应的力学分析
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  bone
Biomimetic strengthening polylactide scaffold materials for bone tissue engineering
      
The novel composite mainly consists of nano-hydroxyapatite (n-HA), which is the main inorganic content in natural bone tissue for the PLA.
      
The crystal degree of the n-HA in the composite is low and the crystal size is very small, which is similar to that of natural bone.
      
The biomimetic three-dimensional porous composite can serve as a kind of excellent scaffold material for bone tissue engineering because of its microstructure and properties.
      
The effects of hematopoietic stem/progenitor cells (HSPCs) expanded in the two step coculture with human bone marrow mesenchymal stem cells (hMSCs) on the hematopoietic reconstruction of irradiated NOD/SCID mice were studied.
      
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This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars...

This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars are characterized by their lowness in relationto their lengths and breadths.Pronounced cingulum is present on the buccalsurface of the crown.The humeral shaft is almost identical with that of modern man.Thetibial shaft is slender and its anterior border is blunt.The walls of the tibiaare extraordinarily thick and its medullary cavity is very narrow.The results of the study of Sinanthropus pekinensis by the present authorsand others clearly show that the upper extremity bones of Sinanthropus arealmost identical with those of modern man;the lower extremity bones are definitely human in form and appearance,but possess also some primitive cha-racters.The teeth and skulls possess many primitive features.The cranialcapacity is considerably smaller than that of recent man.It is due to labour,and the operations of the hands that the upper extremity is differentated fromthe lower one.The differentiation of the extremities is followed by the deve-lopment of the brain and the brain case.These results further enrich Engels'theory of the transition from ape to man and testify to the truth that“labour(?)eated man himself”.

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢梢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖端并不偏向前...

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢梢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖端并不偏向前方而在正中位置。齿根仅在尖端分为唇舌两枝。7.下第一及第二两臼齿大小相似。齿冠硕大,但其高度若与其长度和宽度相比,则相对极为低矮。齿冠唇面有明显的扣带,两臼齿全属五结节齿型,以前内结节为最高和最大。齿根极为粗壮,分为前后两枝,前枝较短而直,后枝则较长而明显向后倾斜。前枝末端分叉,后枝末端则为单独一尖端。8.肱骨干完全具有现代人的形式,唯一真正与现代人的不同之点在共髓腔较小和骨壁较厚,此外其三角肌粗隆特别发达。9.胫骨细长,前缘较为圆钝,中段的横切面呈圆钝的三稜形。胫骨干中央大部为海棉骨质所填充,髓腔极小。中国猿人的胫骨较苏鲁人稍细,但两者颇为相似。10.过去及本文对于中国猿人化石研究的结果,明显指出中国猿人的上肢骨与现代人极为相似;下肢骨虽已具有现代人的形式,但又有若干明显的原始性质;而牙齿及过去发现的头骨,则远较现代人为原始,脑量也远在现代人之下,说明了最初是由于劳动,由于手的使用而使手足发生了分化,脑子随着发展了起来,头骨和牙齿的形态发生了改变,这种结果进一步充实了恩格斯从猿到人的理论,阐明了“劳动创造人类”的真谛。

A case of partial diplomyelia and myelodysplasia involving the lower part of the spinal cord is reported. The patient, a 55-day old baby girl, was born with a defect on the occipital bone. She had myelomeningocele, hydrocephalus, syringobulbia and syringomyelia of the cervical and thoracic segments. The mid-thoracic region was comparatively normal; below that level the central canal was markedly dilated (hydromyelia). Complete redu- plication of the spinal cord occurred twice at levels of the third lumbar...

A case of partial diplomyelia and myelodysplasia involving the lower part of the spinal cord is reported. The patient, a 55-day old baby girl, was born with a defect on the occipital bone. She had myelomeningocele, hydrocephalus, syringobulbia and syringomyelia of the cervical and thoracic segments. The mid-thoracic region was comparatively normal; below that level the central canal was markedly dilated (hydromyelia). Complete redu- plication of the spinal cord occurred twice at levels of the third lumbar and the first sacral segment with connective tissues and blood vessels in between. The two cords were not symmetrical, especially in their dorsal half. As many as five supernumerary posterior horns were found on a single level (extreme myelodysplsia). The lower sacral cord appeared essentially normal; nevertheless, its two halves were asymmetrical, the left side being larger. Besides, it had two central canals extending to its lower end. As to the cause of diplomyelia and myelodysplasia, several factors are involved. The closure of the neural tube may be delayed arid the edges of the neural folds may be rugged. The folds may roll inwards approximating each other and become fused with the floor plate, giving rise to two medul-lary tubes which may be separate or fused, symmetrical or asymmetrical. The pattern and degree of the anomalies were conditioned by the depth of infolding and degree of ruggedness of the folds, the manner of their fusion and the extent of mesenchyme invasion into the tube. The supernumerary dorsal horns have generally associated aberrant sensory cells in their vicinity. These abnormal structures apparently develop from a unit in the neural fold.

本文報告一例部分的二重脊髓和脊髓結構亂生。一個55天的女嬰,枕骨局部缺損、小腦腦膜膨出、側腦室和第3腦室擴張積水,延髓、脊髓頸部和胸部上段的背部有狹長的空洞,間與中央管相連。胸髓中段比較正常。中段以下和腰髓上端,中央管高度擴張積水。在第2腰節至第1骶節,脊髓背部出現畸增的後角,中央管也見歧分,形成二重脊髓。在第3腰節和第1骶節,左右二半有2次完全分立,中間一度長合。分立時左右二半間有纖維組織和血管侵入。重出的脊髓左右不全對稱。在腰髓下段內部結構亂生,背部一度出現5個畸坩後角。第1骶節以下歧出的脊髓又行併合,左右也不對稱,左側較大。2個中央管伸至骶髓下端。在重出部分的附近有異位的感覺細胞,它們的纖維似進入畸增的後角。二重脊髓和脊髓結構亂生可由於神經管閉合延綏,左右神經襞背緣支離,向前迴捲,接合底板。脊髓重出和亂生的形態取决於二侧神經襞支離的程度、迴捲的深淺、各部生長的快慢,以及結締組織的侵入的方式。左右的分立可以完全或不完全;歧生的結構可以對稱或不對稱。畸增的部分各成單位,在神經襞上似屬一體。

1. 570 pterions of 281 Chinese adult sku- lls and 4 young skulls have been observed. We found 439 cases(77.02%)of the spheno-parietal suture type, 115 cases (20.17%) of the epipt- eric bone type, 14 cases (2.46% )of the fronto- temporal suture type, and 2 cases (0.35%) of the frontal, parietal, temporal and sphenoid art- iculating at one point type. 2. The cephalic index and the length-auri- culovertical height index obtained according to the measurement of the maximum length, the maximum breadth and the...

1. 570 pterions of 281 Chinese adult sku- lls and 4 young skulls have been observed. We found 439 cases(77.02%)of the spheno-parietal suture type, 115 cases (20.17%) of the epipt- eric bone type, 14 cases (2.46% )of the fronto- temporal suture type, and 2 cases (0.35%) of the frontal, parietal, temporal and sphenoid art- iculating at one point type. 2. The cephalic index and the length-auri- culovertical height index obtained according to the measurement of the maximum length, the maximum breadth and the auriculovertical heig- ht of 196 skulls with same type of pterions (i. e. 170 skulls of spheno-parietal suture type,23 skulls of epipteric bone type and 3 skulls of fronto-temporal suture type). It is the author's opinion that there might be a certain relation between the cephalic index and the length-auriculovertical index of the sku- lls and the formation of the varies types of the pterion.

一、观察了中国成人颅骨281个和未成年的颅骨4个,共285个,计570侧异区。以颅骨数计,蝶顶缝型253个(88.42%),异上骨型90个(31.58%),额顳缝型11个(3.86%),额顶顳蝶四骨交于一点型2个(0.70%);以侧数计,蝶顶缝型439侧(77.02%),异上骨型115侧(20.17%),额顳缝型14侧(2.46%),四骨交于一点型2侧(0.35%)。二、测量了196个左右两侧异区同型颅骨(即蝶顶缝型170个,异上骨型23个和额顳缝型3个)的头最大长、头最大幅和头耳高,并计算出头长幅指数和头长耳高指数,从而初步提出颅骨异区的各类型的形成可能与头长幅指数和头长耳高指数有关。

 
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