精子發生量 的英文怎麼說

中文拼音 [jīngzifāshēngliáng]
精子發生量 英文
spermatogenic value
  • 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...
  • 發 : 名詞（頭發） hair
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 精子 : [生理學] sperm; spermatozoon （pl spermatozoa）; spermium （pl spermia）精子活率 sperm motility r...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  3. During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )

    雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。
  4. Studies on spermatogenesis and oogenesis in palaemon modestus jiang ye - qin ( chemistry department, huzhou teachers coliege, huzhou 313000 ) palaemon modestus belongs to genus palaemon, family palaemonidae, caridea, natantia, decapoda, class crustacean. lt is a kind of freshwater prawn across china and especially abounds in the taihu lake which is regarded as one of the " three delicacies " of the taiha lake. as for the researches on palaemon modestus, v / e can only refer to spermatogenesis of freshwater shrimp exopalaemon modestus ^ ruang hai - xia et al, 2001 ), studies on reproductive biology of exopalaemon modestus l. the structure and development of the male reproductive system ( huang hai - xia et al, 1999 ) and studies on freshwater prawn in the taihu lake ( yan sheng - liang, 1999 ). on the bases of their researches and with the help of tem, i have made further researches on sperm ultrastructure, spermatogenesis, oogenesis and mature oocyte ultrastructure in palaemon modestus

    秀麗白蝦palaemonmodestus屬甲殼綱crustacea十足目decapoda游泳亞目natantia真蝦部caridae長臂蝦科palaemonidae長臂蝦屬palaemon ，是我國南北均產的淡水蝦，其中太湖產量尤其大，與太湖銀魚、鱭魚並稱「太湖三寶」 。有關秀麗白蝦的研究僅見秀麗白蝦雄性生殖系統的研究（黃海霞等， 1999 ） 、秀麗白蝦精子發生的研究（黃海霞等， 2001 ） 。本人在前人工作的基礎上，利用透射電鏡技術（ tem ）進一步研究了秀麗白蝦精子的形態、結構及精子的發生過程，同時還研究了秀麗白蝦卵的發育過程，從卵原細胞到卵黃發生前的卵母細胞、卵黃發生的卵母細胞及成熟卵細胞，各期卵細胞的形態結構特點及各部分結構的變化情況。
  5. Here are some examples of the requirements specified for this case study : ( 1 ) avoid conflicts among phlebotomist ' s tasks caused by the room layout ( from the hta model and the spatial layout model ), ( 2 ) reduce the number of devices and containers to save space ( from the spatial layout model ), and ( 3 ) improve recording and transferring information accurately to other sections of the hospital ( from the information flow model )

    這是在這個案例中的一些特殊需求的例子： （ 1 ）避免在醫師任務和房間內空間規劃上發生沖突（從hta模型和空間規劃模型得出） ， （ 2 ）減少設備和容器的數量以節約空間（從空間模型） ， （ 3 ）改進記錄和精確的轉化信息到別的地區的醫院（從信息流模型得出） 。
  6. Spiraling of the liquid as it reaches the rotor may affect the accuracy of the turbine meters.

    當液體接近轉子時發生紊流可以影響渦輪式流量計的精確度。
  7. 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。
  8. 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。
  9. Freezing sperm obtained by masturbation is the most widely available method for fertility preservation, and patients as young as 13 are capable of producing semen samples with normal sperm counts, report dr. guy makin of the university of manchester and colleagues in the journal, archives of disease in childhood

    英國曼徹斯特大學的蓋梅金博士在他發表于兒童疾病文獻雜志上的文章中指出，為保留日後繁衍後代的可能性，人們最常採用的方法是先以自慰方式取得精液然後再將它們冷凍保存，而那些年僅13歲的男性患者便已擁有了產生具備正常數量精子的精液樣本的能力。
  10. Methods for chemical analysis of nickel concentrates and cobalt sulfide concentrates - determination of mercury content - hydride generation - atomic fluorescence spectrometry

    鎳精礦鈷硫精礦化學分析方法汞量的測定氫化物發生-原子熒光光譜法
  11. A cumulative cyclophosphamide dose greater than 7. 5 gm / m was associated with azoospermia

    積累量超過7 . 5gm / m很有可能發生精子活力缺乏。
  12. The testis development stages are determined according to cell ' s morphological characteristics, its size and number and the varying extent of chromatic agglutination. the development of testis may be divided into five stages : ( 1 ) multiplication of spermatogonium ; ( 2 ) growth of spermatocytes ; ( 3 ) maturation of spermatocytes : ( 4 ) initial appearance of spermatozoa ; ( 5 ) complete maturation of spermatozoa ? the reproductive seasons cover from march to april

    可根據各期細胞大小、數量多少、核染色質凝聚程度等將精巢的發育時期劃分為精原細胞增殖期、精母細胞生長期、精母細胞成熟期、精子開始出現期、精子完全成熟期共5個時期。
  13. The results were as follows : ( l ) the pre - incubation of pmr induced the exocytosis of the cortical granules ( cgs ) in the oocytes and reduced the quantity of the microvillus on the surface of oocytes ; ( 2 ) the matrix of cg might migrate to the surface of plasma membrane of oocytes after pmr pre - treatment. ( 3 ) incubation of zona - free hamster eggs with spermatozoa pretreated with pmr a ntiserum was associated with a dose - dependent significant reduction in the number of spermatozoa binding to the oolemma, compared with a contraband with a dose - dependent reduction of the fertilization rate and the penetration index. the results indicate that mr of human sperm plays an important role in sperm - oocyte fusion and oocyte activation

    結果顯示： （ 1 ）人精子mr能夠誘發去透明帶金黃地鼠卵母細胞中皮質顆粒的胞吐，並引起卵母細胞膜表面微絨毛形態和數量發生改變； （ 2 ）皮質顆粒胞吐后，其內容物可結合到卵膜表面； （ 3 ）抗mr抗血清預處理精子可抑制精子與卵子的結合與融合，使受精率、穿透指數和結合指數下降，並均有劑量依賴性。以上結果提示，人精子mr在受精過程中起重要作用，其主要作用可能是介導精-卵膜融合併促進卵母細胞的活化。
  14. Methods for chemical analysis of nickel concentrates and cobalt sulfide concentrates - determination of arsenic content - hydride generation - atomic fluorescence spectrometry

    鎳精礦鈷硫精礦化學分析方法砷量的測定氫化物發生-原子熒光光譜法
  15. Unlike women, who are born with finite number of eggs, men who continually produce sperms, but their sperm counts keep dramatically arying between normal and as little as no sperm at all during a bout of flue

    女性生下來就只有有限數的卵子，而男性可以不斷產生精子，但是精子數量卻發生很顯著的變化：正常、少精甚至無精。
  16. 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。
  17. This is a collection of scientific research, technology transfer, production sales as one technology company, the company gathered henan university and henan university of technology, henan technical institute, huazhong agricultural university more than 10 institutions of higher learning and scientific research institutions in the elite, with the notable integrated r & d capability, in light of its own strong technical force, advancing with the times, is conducive to the whole country and to promote economic development and social progress of high - tech practical technology, business involves the chemical industry, electronics, machinery, environmental protection, and many other areas of new technology, new product development, production and marketing, and implementing a good faith as a basis, to the eternal pursuit of innovation and development of venture aims to quality products back to the pub lic the benefit of mankind

    本公司是一家集科研、技術轉讓，生產銷售為一體科技公司，公司聚集了河南大學，河南理工大學，河南工業學院、華中農業大學等10多所高校和科研機構的科研精英，具有顯著的綜合科研實力，結合自身雄厚的技術力量，與時俱進，面向全國推廣有利於經濟發展和社會進步的高新實用技術，其業務涉及到化工、電子、機械、環保等多個領域新技術、新產品的研發，生產和銷售，貫徹了以誠信為根基，以創新求發展追求永恆的創業宗旨，以優質的產品回報社會造福人類。
  18. Silvanus electric manufacture yixing co. ltd. is a professional hi - tech enterprise, which specialized in manufacturing high precision load cells. on the basis of strong r d ability and advanced equipment in producing, inspecting and testing, we specialized in scientific research, production and sales of all kinds of high precision load cells

    宜興市三維電氣製造有限公司是一家以傳感技術為核心的高新技術企業，憑藉雄厚的技術開發力量和精良的生產檢測實驗設備，專業從事各類高精度稱重傳感器和電子稱重系統的研究開發和製造。
  19. Wp - le series intelligent electric power instrument is a kind of new electric power display control instrument developed and produced by wideplus company. it has adopted advanced micro - processor as its core component, it has many characteristics such as precise measurement, visual and clear display, perfect performance, good stability, strong anti - interference capability, high universality and reliability, superior performance and favorable price etc, can replace the point type instrument or normal digital display instrument including the digit display instrument constituted by electronic discrete components and universal integrated circuit

    Wp le系列智能電力儀表是上潤公司開發生產的一類新型電力顯示控制儀表，採用了先進的微處理器作為核心部件，具有測量精確，顯示直觀清晰，功能完善，穩定性好，抗干擾性能強，通用性和可靠性高，性能價格比優等特點，可替代指針式儀表或常規數字顯示儀表包括由電子分立元件和通用集成電路構成的數顯儀表。
  20. The extensive applications for power electronic apparatus and nonlinear equipment distort the waveforms of voltages and currents. as a result, power quality is going much worse. in addition, due to the improvement of industrial automatization, such parts of an apparatus as mpu and plc are applied to industrial process controls, which are disturbed easily by stirs from power system

    一方面由於電力電子器件和非線性設備的廣泛應用，使得電網中的電壓、電流波形發生畸變，造成電能質量的嚴重惡化；另一方面由於工業自動化水平的提高，微處理器和plc等智能器件大量應用於工業過程式控制制，而這些精細過程式控制制更容易受到電力系統抖動的影響，因此現代工業對電能質量提出了更高的要求。
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