| 单词 | sheath |
| 释义 | sheath [英 [?i:θ] 美 [?iθ] ] sheath的意思、解释 过去式：sheathed; 过去分词：sheathed; 现在分词：sheathing; 复数形式：sheaths; sheath 基本解释 sheath的意思 名词鞘; 护套; 叶鞘; 紧身装 动词包，盖 sheath 相关例句 名词 1. He wiped the knife and put it back in the sheath. 他擦干净刀子，放入鞘内。 sheath 网络解释 1. 鞘：将模型平放,让牙合平面与牙长轴尽可能垂直,用带加强鞘(sheath)的铅芯描计杆(carbon marker)画出基牙的观测线. 此时的观测线为牙体的最大周径线. 倾斜模型,确定就位道,在就位道方向上画出基牙、余留牙和粘膜区观测线. 结合两条观测线, 2. sheath的意思 2. 外皮：MI电缆 (MINERAL-INSULATED CABLE)系指以无机物做为绝缘,以铜 金属外皮(Sheath)做为气体及液体之密封之电缆. 在危险气体,蒸气场所设施线路时,限按金属管或电缆装置法施工,依 金属管施工者应符合左列要求: 一、金属管必须为厚金属导线管之规格者. 3. 3. 护套：数据线缆的保护套(sheath)在物理上分为两部分:绝缘层(insulation)和外套(jacket),线缆是否具有防火功能主要取决于最外一层护套的材料. 总体而言,数据通信电缆的外皮有4种:1、聚氯乙烯(PVC)材料,容易燃烧且会产生有毒气体. 4. 套：屏蔽式双绞线(STP)具有一个金属套(sheath),对电磁干扰EMI(Electromagnetic Interference)具有较强的抵抗能力,适用于网络流量较大的高速网络协议应用. sheath 双语例句 1. That difficulty was easily fixed, though, by Siggard's sword belt, the empty sheath swaying at his side. 但这点困难很容易解决。Siggard 用剑带束住裤子。空剑鞘在他身旁摆动。 2. And Joab was in military dress, and over it was a belt with a sword in its sheath, fastened on his loins; and when he went forward, it fell out. 那时约押束着战衣，战衣上有佩刀的带子系在腰间，刀在鞘内；约押前行，刀从鞘内掉出来。 3. CO2 and H2S exist in the hydrocarbon zone and foramtion water, as the accompany gases of petroleum and nature gaso or components of formation water, which will cause corrostion to the cement sheath under certain conditions of humidity and pressure. It will decrease the cement sheath`s alkalinity, which results in the decrease of cement sheath`s strength, permeability increase, and places a premium on fluid channeling and borehole wall sloughs accident in plastic formation, shortening the oil- gas well`s production lifetime and giving rise to tremendous ecomonic losses. CO2和H2S作为石油和天然气的伴生气或地层水的组分存在于油气层或地层水中，在一定的湿度及压力条件下会对固井水泥环产生腐蚀作用，从而降低水泥环的碱性，使水泥环强度下降，渗透率增大，并诱发流体窜流、塑性地层井壁跨塌等事故，从而缩短油气井的生产寿命，造成巨大的经济损失。 4. 4. High ability of spikelet formation of short-duration varieties could be attributable to high nitrogen content in leaf sheath at panicle initiation stage. 可将小日月品种小穗形成能力高归因于小穗分化初期叶鞘中的氮含量高。 5. Electron microscopic examination showed that the spinal cords were normal in group N and A, slight edema of mitochondria and endoplasmic reticulum in group B, loosened fibrous layers in medullary sheath, edema and local degeneration of neuraxis in group C, and shrinkage of nuclear membrane, serious edema of ER, vacuolus change of mitochondria and local demyelination in group D. 电镜结果显示，N组和A组脊髓超微结构正常；B组线粒体、内质网轻度水肿；C组脊髓髓鞘纤维板层结构疏松，轴索肿胀，局灶变性；D组脊髓神经元细胞核膜皱缩，线粒体空泡样变，内质网肿胀严重，局灶性脱髓鞘改变。 6. sheath 6. Leaves usually closely appressed to stem, persistent; leaf sheath open, margin sometimes scarious, apex elongate; ligule usually absent; leaf blade absent. 叶通常紧密帖伏于茎，宿存；叶鞘开放，边缘有时，先端拉长；叶舌通常无；叶片无。 7. Leaves were the main nitrogen storage organ prior to anthesis while grains stored the largest amount of nitrogen post anthesis, foUowed by stern and sheath. 施氮与不施氮处理的氮素转运率和贡献率均以叶片最大，穗轴及颖壳次之，且同一器官中处理间并无显著差异。 8. After operation, it is safe in using artery sheath as the artery end during hemodialysis and no supplemental heparin was used. 术后当日用动脉鞘管做动脉端安全可行，可不再追加肝素抗凝。 9. sheath 9. Results: Compared with that in the NC+/+ group, the number of astrocytes with apoptotic characteristics was increased in the 4HH+/+ group, and edema of the foot process in astrocytes and edema、vacuolization in oligodendrocytes and rarefaction of myelin sheath were seen clearly. Interestingly, compared with the 4HH+/+ group, the 4HH-/- group had significantly less apoptotic astrocytes with reduced edema and mild morphological changes. However, there was no infiltration of peripheral inflammatory cells in every group. 结果 ：电镜示4HH+/+组比NC+/+组星形胶质细胞数量明显增加，形态以凋亡为主，同时可见足突明显水肿，少突胶质细胞水肿、空泡形成、髓鞘疏松；4HH-/-组比4HH+/+组凋亡的星形胶质细胞数量减少，形态仅轻度异常，未见明显水肿；实验动物脑内未见外周炎症细胞浸润。 10. 10. Aluminum outer sheath arc welding production line Overview: The production line is mainly used in railway signal cable outer sheath production. 铝管外护套氩弧焊接生产线概述：该生产线主要用于铁路信号电缆外护套的生产。 11. 11. As to Balilla erect panicle type, (the same subject for the following 11-16), the curvature of panicle neck had a very significantly positive correlation with panicle length, neck panicle length, neck panicle internode length, the secondary internode length, leaf length and leaf sheath length, and had an opposite correlation with leaf width and density of seed setting. 对巴利拉型直立穗型品种来说（以下11～16同此所指），颈穗弯曲度与穗长、穗颈长、穗颈节间长、倒2节间长、叶长、叶鞘长呈极显著正相关（倒3叶呈显著正相关），与叶宽、着粒密度呈极显著负相关。 12. sheath什么意思 12. It can be show different characteristics in the MRI of the orbital diseases, the sheath of the orbital tumor contain certain characteristics, can express soft muscle locate the orbital compartment or outside. and the tumor showed hypointensity or hypo-or isointense mass on T1-weighted images, and iso-or hyperintense or hyperintense mass on T2-weiglited images, inflammation expresses for the orbital inside limit the soft muscle or widespreads excrescent signal, and showed hypo-or isointense mass on Ti-weighted images, and iso-or hyperintense mass on T2-weighted images, the companion contain fatty the eye muscle big or the eye wreath increase thick, the lachrymal gland is swollen. 其在MRI表现各具有影像学特征，眼眶肿瘤多表现为位于眼眶内、外的局限性软组织肿块，MR T1WI呈等或稍低信号，T2WI呈高或等信号多见；炎性假瘤则表现为眶内局限性软组织肿块或弥漫性异常信号，MR T1WI呈低信号，T2WI呈高信号，常伴有眼肌肥大或眼环增厚，泪腺肿大等。 13. The typical response of brain alba to kinds of destructive stimulus is the change in medullary sheath. 脑白质病是一种常见而又易被忽视的疾患，脑白质对各种有害刺激的典型反应是髓鞘的变化。 14. The epithelium making contact with the supporting filter resembled Hertwig's epithelial root sheath. 而与支持滤膜接触的上皮类似于上皮根鞘结构。 15. AIM: To analyze the apoptosis and proliferation of HERS (Hertwig's epithelial root sheath) and to evaluate the roles of HERS cells in the development of cementum. 目的：观察牙根发育中上皮根鞘细胞(Hertwig's epithelial root sheath，HERS)断裂后结局和增殖凋亡相关基因的表达，探讨上皮根鞘在牙根发育特别是牙骨质形成中的可能作用。 16. 16. Hertwig's epithelial root sheath degenerates immediately after root dentin is formed. 上皮根鞘在根部牙本质形成后迅速蜕变。 17. 17. The tooth root development is an important part of tooth development. Hertwig's epithelial root sheath takes part in and plays important role in tooth root development. 牙根发育是牙齿发育的重要部分，Hertwig上皮根鞘(Hertwig's epithelial root sheath，HERS)参与牙根发育，并起重要作用。 18. Based on the present histological and previous molecular biological studies, the special structure at the apical end is obviously different from the cervical loop giving rise to Hertwig's epithelial root sheath, in human, mouse and rat molar tooth germs. 作者所作的组织学和分子生物学实验结果表明，人类、大鼠及小鼠磨牙牙胚中这种根尖末端特殊的结构与颈环区Hertwig上皮根鞘结构明显不同。 19. Malassez epithelial rest; Hertwig's epithelial root sheath; cementum Malassez上皮剩余；上皮根鞘；牙骨质 20. Epithelial sheath; Hertwig's sheath 他擦乾净刀子，放入鞘内 sheath 词典解释 1. (刀、剑的)鞘，套 A sheath is a covering for the blade of a knife. 2. 保险套;避孕套 A sheath is a rubber covering for a man's penis and is used during sex as a contraceptive or as a protection against disease. sheath 单语例句 1. She appears wearing a magenta silk sheath dress by Jason Wu, who also designed her inaugural gown. 2. The favorite style for the silk reptile and seashore prints is an overly loose sheath. 3. People should sheath the knives as a measure of protection, said the local police. 4. Autumn is one of the best times to go, while winter will sheath the land in a pristine blanket of snow. sheath 英英释义 sheath noun 1. a dress suitable for formal occasions Synonym: cocktail dress 2. a protective covering (as for a knife or sword) 3. an enveloping structure or covering enclosing an animal or plant organ or part Synonym: case |
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