精子中段 的英文怎麼說
中文拼音 [jīngzizhōngduàn]
精子中段
英文
mid-piece- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 段 : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
- 精子 : [生理學] sperm; spermatozoon (pl spermatozoa); spermium (pl spermia)精子活率 sperm motility r...
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The study includes the hole color tv imagery system for drill hole, even - pole bore - hole acoustic system and acoustic meter, bore - hole multi - point consolidation apparatus, the quick camera computer - aid image for high rocky slope, image technology for layer analysis, safety monitoring technology for the section close to the dam, software for processing and forecasting the slope monitoring data, high precision geodesy monitoring automation system, etc. all the study results are new, advanced and practical, which has applied in the project and gained the obvious benefits
鉆孔彩色電視孔壁成像系統、直接橫波測井研究偶極子井下聲系和聲波儀、鉆孔多點滲壓儀及壓模系統、巖質高邊坡快速攝像微機地質素描成圖、層析成像技術、近壩庫段安全監測技術、邊坡監測數據處理預報軟體研究、高精度大地測量監測自動化系統等項目,研究成果內容新、先進、實用,已在工程中應用,效益顯著。Following with the condensing of chromatin, nucle us gradually elongates and spires. a large number of vesicles turn into glycogen granules behind mitochondria. the mature typical sperm of cipangopaludina chinensis, having monoflagella, consists of a spiral head with only one spiral buddle conformed of nucleus, a spiral middle piece with four s
中國圓田螺成熟典型精子單鞭毛,由頭、中、尾三段構成:頭段螺旋狀,旋束由細胞核構成,僅單股;中段也呈螺旋狀,旋束由線粒體構成,共四股;尾段非螺旋狀,主要由糖原顆粒構成。In the present paper, some investigations on loxoblemmus doenitzi ( gryllidae ) are reported. in order to discover the meiosis of spermatomeres and spermiogenesis, slice - pressing method and improved phenol - fuchsin dyeing method are used. in the course of meiosis, primary spermatocytes directly enter metaphase ii, not through telophase i and prophase ii
本論文以直翅目、螽斯亞目、蟋蟀總科、蟋蟀科的多伊棺頭蟋( loxoblemmusdoenitzi )為材料,採用壓片法-改良苯酚品紅染色,研究了精子發生過程中的減數分裂階段和精子形成,發現初級精母細胞第一次減數分裂后不經過末期和前期直接進入中期。The phosphorylation of cdc2 tyr15 was increased with the age in germ cells 3. p70s6k was mainly in spermatocyte, sperm cell and sperm
3 . p70s6k主要在精母細胞、精子細胞及精子中有所表達,在不同發育階段細胞內的分佈不同。During the process for production of inositol, the technological parameters and operation methods in several stages of preparation, acidolysis, neutralization, ion exchange and refining are very important factors influencing the quality and yield of products
摘要在肌醇的生產工藝中,原料預備、酸解、中和、離子交換、濃縮、精製幾個工段的工藝參數和操作方法,對產品的質量和得率影響很大。Vasectomy ( male sterilization surgery ) is a relatively simple surgery involving a cut and ligation of the sperm ducts ( vas deferens ), thereby preventing the sperms from getting outside the body
輸精管結扎手術是一項男士絕育手術,這手術把輸精管的其中一段切斷分開,從而阻止精子的輸送。Different amount of copies in different tissues attribute to the different density of positive signals. the result of the experiment suggested that the transgenic animals can be produced by spermatozoa - mediated gene transfer after the entrapment of liposome. and because the exogenous dna occurs losing the segments. partly integration, or existin g outside of genome dna, the rate of chimerism is relatively high
結果表明: ( 1 )脂質體包裹外源基因轉染精子的方法,可將外源基因導入受精卵中,能夠獲得轉基因動物,並得到了較高的轉基因陽性率; ( 2 )精子攜帶的外源dna的整合過程是隨機的,在受精過程和胚胎早期分化過程中可能發生了片段丟失、不完全整合或游離于基因組存在而產生嵌合體。Nucleoli do not emerge in this process. the number of the organelles increase until secondary spermatocyte stage. mitochondria accumulate together, merging together with lysosomes and golgi bodies at the early spermatid stage, and finally the lamellar structure is formed, which forms the acrosome at last
在精子發生過程中,線粒體、內質網和核糖體逐漸增多,其中線粒體數目在次級精母細胞階段達到頂峰,並形成線粒體區,精細胞早期核內出現膜性泡結構,同時次級溶酶體與高爾基體大量存在,這些細胞器共同形成片層復合體,並參與頂體的形成。Exopalarmon carinicanda there are two kinds of spermatogenium in this species, the second kind spermatogenium come from the first one. chromatins condense in each stage at different level. the nucleus changes into two forms : fibrous nuclear and vesicular nuclear
在生精細胞階段核內染色質有不同程度的凝集,在成熟精子中核質分化成泡狀核和絲狀核,整個精子發生過程無核仁發現。On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand
在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。To observe tsarg2 fusion protein expression in mammalian cell, pegfp - nl / tsarg2 fusion plasmid was constructed and transiently introduced into cos7 cell by liposome transfection. under the fluorescence microscope, the green fluorescence produced by pegfp - nl / rsarg2 was detected on the nucleus of cos7 cells after 24 hours post transfection, while the fluorescence produced by pegfp - nl was detected through the cells
同時將21大、 35天、 49大、 280天小鼠睪丸進行組織石蠟切片,結果表明小鼠翠丸在第21天可見精子細胞,到第35天,精子生成的最後階段開始發生,部分牛精小管中可見少量成熟的精於。Living in china is no longer with a life ; existence gives way to nothingness ; passing time and prolong physical existence supersedes the distinct human yearning for meaning and spiritual fulfillment ; functions of body cavities replaces function of human brains and souls ; education becomes a method to create more and more state serving slaves with no originality and creativity ; face, border, money and power defines the word chinese
在中國存活的人們並沒有真正的生命;存在被虛無窒息了;混日子與尋求長生不老淹沒了人對生命意義的追求和對精神滿足的渴望;人身洞穴的生理活動壓倒了人類頭腦的功能;教育成為了製造一代又一代精忠報國的政府奴隸的手段;這些皇權的奴隸們既沒有獨立精神,更沒有創造能力;臉,皮,錢與權力早已成為中國人的定義。The supramolecular complexes of - cyclodextrin cross - linking polymer / l - ( 2 - pyridlazo ) - 2 - naphthol er particles were synthesized by self - assembly. the structure of the supramolecular complex was characterized by the fluorescence analysis, ir spectrometry and chem3d simulation, respectively. the results confirmed that the naphthalene ring of the guest is included in the cavity of - cyclodextrin cross - linking polymer
用熒光分析、 ir 、 xrd及計算機模擬手段對顆粒結構進行了表徵,發現客體分子中極性較小的萘環進入環糊精的疏水內腔,形成了不溶性-環糊精聚合物超分子配合物。In addition to the gay theme, father and son relationship is another theme of the movie, and it is demonstrated by the fragmented yet passionate depiction of daniel wu and his father, who is played by yuen biao
而事實上莫文蔚在片中的戲份也很薄弱負責的愛情部份可有可無怎樣看也不及另外兩段父子情即元彪和吳彥祖及羅家英和杜汶澤精彩動人。Nucleoli exist from spermatocyte stage to early spermatid stage. in this process, the numbers of ribosomes, mitochondrions and endoplasmic reticulums increase until secondary spermatocyte stage, golgi apparatus emerges at the secondary spermatocyte stage, and then, these organelles change into lamellar complex which finally forms the acrosome
核糖體,線粒體和內質網等細胞器數量逐漸增多,到次級精母細胞階段達到最大,在形成精子的過程中,上述細胞器與高爾基體及膜性泡共同分化或參與形成片層小體,並參與頂體的形成。Fertilization is a highly programmed process by which two radically different cells, sperm and egg, unite to form a zygol it is mediated by complementary molecules present on the surface of the respective gametes. especially the proteins in the sperm acrom play an important role, but only a little can be extracted from sperm. now large amount of proteins can be obtained easily using biological technique
受精是配子間相互作用最後融合成合子的過程,是由配子各自表面蛋白分子互補介導的,特別是存在於精子頂體的蛋白,但從精子中提取量少,用分子生物學手段大量克隆表達所需蛋白為受精機理的研究提供了方便。The subsystem is integrated in the cad system of catia, and applies kinematics 3d - manikin and mechanics 3d - manikin in different phase of aircraft cockpit design, and acquires perfect kinematics and mechanics results of pilot. the subsystem whose interface is friendly and utilization is directly, enriches the methods by which the designer estimates an aircraft cockpit design, and enhances the design efficiency and precision
該子系統集成在catia系統中,在飛機座艙設計的各個階段分別引入了飛行員三維人體幾何模型和運動學模型,通過模擬飛行員的操作動作與計算視角、可達性、操縱力等參數,較好的反映了飛行員的運動學和動力學特徵;界面友好,操作直觀、簡便;豐富了設計人員對飛機座艙設計評估手段,保證了設計效率和精度;有利於飛機座艙設計水平的提高。The co. has a long history, powerful technical force, advance equipment and exquisite workmanship, yatai group s gfci is the unique product in china which directly obtains ul cul listing. the products of which gfci has been approved by ul cul, are exported to usa, canada, hk, etc. countries and regions and widely used to family and completion of electric appliance products and so on. the company aims at " getting users satisfactory with best quality and service
該公司有一段漫長的歷史擁有強有力的技術力量,先進的設備,精細的作工,亞太集團地面故障電路斷流器是中國唯一的一家直接獲得美保險商實驗所及哥倫比亞圖書館清單的產品,出口美國,加拿大,香港等國家和地區,廣泛應用於家庭,電子應用產品的競爭等等,公司的宗旨是用最好的質量及服務滿足用戶Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session
工程制圖一直被認為是一門實踐性學科,其整合了幾何學、建築、力學、電子制圖等,從而將理論與現實圖像聯系起來,工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常,即使在開放與遠程教育環境中,工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性,一些學習者可能難以想象並解釋這些圖像.然而,尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖,例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法,以及應用與練習等階段.在導論階段,系統為學習者提供了專題簡介,然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后,系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟,學習者也能重復觀察任何剖面.另外,還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後,為了評價學生的理解能力,在每部分內容後面都附有相關的練習Spermal ultrastructure the sperm ultrastructure of the macrobrachium rosenbergii and exopalarmon carinicanda holthuis analogical, the whole sperm looks like a inversed umbrella, it has a main body, a spike and a little bit cytoplasm. there are some vesicle exist in the m. rosenbergii sperm nucleus. the relatively length of the spike of the e
各種細胞器數量在精子發生過程中逐漸增多,其中內質網以粗面內質網為主,線粒體于初級精母細胞階段始出現,膜輪結構在次級精母細胞中出現,精細胞早期的上述細胞器分化成電子密度高的前頂體腔,並逐漸分化形成方形頂體。分享友人