精子密度 的英文怎麼說

中文拼音 [jīngzi]
精子密度 英文
sperm count
  • : 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...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 精子 : [生理學] sperm; spermatozoon (pl spermatozoa); spermium (pl spermia)精子活率 sperm motility r...
  1. The bovine seminal plasma proteins bind to epidid - ymal spermatozoa via their interaction with choline phospholipids after ejaculation. in addition, they interact with bovine sperm capacitating factors, heparin and hdl

    后, bsp蛋白結合在表面磷脂酰膽堿位點,並與產道中獲能因肝素、高脂蛋白( hdl )結合。
  2. In addition, experiments are under way to detect mysterious particles that form the cold dark matter of the universe and to examine protons at higher levels of sensitivity to learn whether they decay

    此外,已經有實驗開始偵測構成宇宙冷暗物質的神秘粒較高的實驗也在檢查質是否會發生衰變。
  3. 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、光蝕作用及準分激光消融角膜的機理;首次定量研究193nm準分激光高斯光束的切削量與能量的關系,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的影響,為更確實現角膜切削和提高切削后角膜表面光潔、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。
  4. The design of the hollow billiards of century ck security locks is plane and heterotype, it can enhance the billiard very poor precision and key sealed, it can reduce the rate of mutual opening, improving mechanical properties of security

    世紀西科防盜鎖鎖芯的上彈設計成平面異形空心彈,提高彈的極差鑰量,減少鎖具間的互開率,提高機械防盜性能。
  5. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的測軌中的電離層延遲改正要求。
  6. Does sperm density change so often

    男人的精子密度會經常變化嗎
  7. What ' s sperm density for fertility

    精子密度在生育上代表什麼?
  8. To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness

    為了製造出更的管,本工藝通過拔管機使管經過鋼型和心軸的拉制,這樣管的內徑和壁厚就能控制的很好。
  9. Compared with conventional weld methods, electron beam welding possesses such advantages as high power density, strong penetrability, precise, high speed, good control ability, good protection effect and high quality

    與常規的焊接方式相比,電束焊接具有功率高、穿透能力強、確、快速、可控性好、保護效果好、焊縫質量高等優點。
  10. Electronic temperature control offering high degree of accuracy for consistent drying

    採用電控制,提供的均勻烘乾效果。
  11. Local wars involving high - technology reflect the fundamental characteristics of the information era. electro - optic technology plays an important role in high - tech local wars, high - resolution information acquisition, huge - volume information transmission, super - high - density information storing, very fast information processing and lightweight flat panel displays not only be - nefit command and control, shorten the action period, but may also be applied to control weapon, improve target accutracy and promote intelligent weapons. with the wide use of electro - optic techno - logy in the battlefield, the role of electro - optic countermeasure has become more and more important

    高技術條件下的局部戰爭反映了信息化時代的基本特點.光電技術在高技術局部戰爭中扮演著十分重要的角色,包括高解析的信息獲取、特大容量的信息傳輸、超高的信息存儲、特快速的信息處理、輕小省電的平板顯示,不僅使指揮控制更加靈活準確,作戰周期大大縮短,而且也直接用於武器控制,提高武器的打擊和促進武器的智能化、無人化.由於光電技術在戰場的廣泛使用,光電對抗在戰爭中的作用日益增強
  12. With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility

    隨著微電產品(集成電路晶元、印刷電路板等)向著高、細間距和低缺陷方向發展,對其檢測技術在、高效、通用和智能化等方面提出了更高要求。由此,本文對微電產品視覺檢測中的關鍵技術進行研究,彌補了傳統檢測在確快速定位、圖像全景組合和細缺陷檢測等方面的不足,最終完成基於機器視覺的微電產品外形尺寸和缺陷檢測的理論研究和樣機研製,並進行了大量實驗證明其正確性和可行性,力圖為我國自主創新的微電產品視覺檢測技術提供理論和實際借鑒。
  13. In the second part, a few kinds of particles with different densities and sizes were picked and used to study the trajectories and the distributions inside the pump impeller

    在第二部分工作中,心選擇幾種不同、不同大小粒,進行葉輪流道內粒運動軌跡和粒分佈的實驗研究。
  14. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來,採用國內最先進的生產流水線,工藝湛,其熱阻特性曲線均按中華人民共和國電工業部標準st2564 - 85 《型材散熱器》規定的檢測方法,百分之百達到設計要求,是功率半導體器件的配套散熱元件,運用於多種大、小功率電器熱流高、整機設備、電,電器等領域。
  15. After making a general and separate regression to self - concept of both urban and rural middle school students, we will find the variables related to the family circumstance of regression equation are different, the variables which can validly predict the family circumstance of the development of self - concept of rural middle school students is as follows : " appreciation toward parents ", " spiritual independence aloof from mother " ; " emotional - warmth " and " overprotection " from the father ' s angle in the parents - child relationship ; " punishment and sternness ", " favouring subject " from the mother ' s angle in the parents - child relationship. the variables which can validly predict the family circumstance of the development of self - concept of urban middle school students are as follows : on the aspect of parenting style, " emotional - warmth ", " rejection and denial " from mother ' s angle ; " overprotection " from father ' s angle ; on the aspect of parents - child relationship, " appreciation toward father ", " influence derived from mother ' s thinking mode ", " mother as a life model " ; actual adaption and perfect degree of intimacy related to family function

    能有效預測農村初中生自我概念發展的家庭環境變量有:親關系中的「對母親的感謝」 , 「脫離母親的神獨立」 ,父母教養方式中的父親「情感溫暖與理解」 ,父親「過分干涉」 ,母親「懲罰、嚴厲」和母親「偏愛被試」幾項指標;能有效預測城市初中生自我概念發展的家庭環境變量有:父母教養方式中父母親「情感溫暖與理解」 ,父親「過分干涉」 ,母親「拒絕、否認」 ;親關系中「對父親的感謝」 , 「來自母親思維方式的影響」 , 「作為人生楷模的母親」和家庭功能關系中實際適應和理想親
  16. On this basis a nonlinear filtering technique of sequential monte carlo particle filter based on bayesian approach is emphatically disussed which the posterior distribution of the state variables can be represented by a set of weighted particles, so the method base advantages over the above algorithms in robustness and accuracy for nonlinear non - gaussian filtering problems

    在此基礎上重點論述了一種基於貝葉斯原理的序貫蒙特卡羅粒濾波技術,該方法通過粒的加權和表徵后驗概率,獲得狀態估值,在處理非線性非高斯系統的狀態估計問題時逼近最優,魯棒性更好。
  17. 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,線粒體于初級母細胞階段始出現,膜輪結構在次級母細胞中出現,細胞早期的上述細胞器分化成電高的前頂體腔,並逐漸分化形成方形頂體。
  18. This dissertation use a high - order surface panel method based on b - spline for predicting the hydrodynamic performance of the propeller in steady flow. the b - splme is applied not only to representation of the propeller ' s geometry, but also to represent the doublet strength distribution on the surface of the propeller, which makes the geometry representation and the doublet strength distribution of the propeller more precise

    本文採用了一種基於b樣條的高階面元法預報螺旋槳的定常水動力性能,不但用b樣條表達螺旋槳表面的幾何形狀,而且還用其表示螺旋槳表面的偶極分佈, b樣條的應用提高了螺旋槳的幾何以及偶極表達的
  19. This technique can measure the profiles of meteorological fields of the neutral atmosphere and the electron densities of the ionosphere with high precision and high vertical resolutions. it can operate all - weather with long - term stabilities and global coverage. the global - distributed occultation data will have a huge promotion on the numerical weather prediction, climate and space weather researches

    該技術可測量自地面到約800km高空的中性大氣氣象場和電離層電剖面,具有全天候、長期穩定、高和高垂直解析等特點;該技術提供全球分佈的資料,將對數值天氣預報、氣候研究和空間環境研究起極大的推動作用,在氣象、空間、天文以及國防領域具有廣泛的應用前景。
  20. We have designed a set of ultraviolet probe and holographic interferometer system on " xg - ? " laser facility, where probe wavelength can be short as 0. 308nm. igoring effect of magnetic field, electron density can be measuremented exactly. in this paper, holographic interferometry is interpreted in detail and and the experimental results are presented and analysed

    我們在「星光」裝置上設計了一套紫外超短脈沖激光探針及其全息干涉系統,該系統探針光波長可以短到0 . 308nm ,在這樣的情況下忽略磁場效應可以比較確地測量等離體冕區( 0 . 1n _ o )電
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