有用透射 的英文怎麼說

中文拼音 [yǒuyòngtòushè]
有用透射 英文
useful transmission
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • 有用 : useful; serviceable
  1. The ultrastructure of the merozoites of eimeria tenellawas observed and discribed. the pellicle consist of two layer membranes, the outer membrane was a continous covering enclosing the whole merozoites, while the inner pellicular complex is interrupted at the anterior and the micropore, and thicken to form the polar ring and micropore. there are 24 microtubules under the pellicle of the merozoite which originated from the polar ring, all of them are connected with the polar ring, and extend alongside the inner pellicular complex to the middle of the merozoite. the head of the merozoite consists of a conoid, an apical vesicule and polar ring. the conoid is a hollow truncated cone. the conoid and spical vesicule can stretch and contract. there are three or more rhoptry and a lot of micronemes. the nucleus has nucleolus. and two layer membranes

    電鏡對柔嫩艾美耳球蟲裂殖子的超微結構進行了觀察描述.柔嫩艾美耳球蟲裂殖子的表膜由外膜和內膜復合體兩層組成,外膜連續,內膜復合體在頭部斷開形成極環,在其它部位斷開形成微孔;裂殖子的膜下微管24根,起始於極環,向後延伸至細胞核處;裂殖子的頭部由頂泡、錐體和極環組成,錐體和頂泡可以伸縮;柔嫩艾美耳球蟲裂殖子棒狀體3個以上,微線數量很多,二者都由電子緻密的結構組成;細胞核位於裂殖子的中後部,外被雙層膜,電子緻密的核仁和染色質
  2. This ccd camera device is specially combined with x - ray image intensifier to form a complete set, which can obtain stratified clear image on fat part of human body after fluoroscopy, satisfying the demand of clinical practice and the fluoroscopic diagnosis in medical units

    本ccd攝像裝置是專為x線影像增強器組合配套,特別對人體較胖部位視能獲得層次的清晰圖像,能滿足醫療單位臨床應視診斷的要求。
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒使經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應掃描電子顯微鏡和電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  4. Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment

    實驗中發展了一些測量技術,例如可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利可見吸收紫外玻璃製成的衰減器測量嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並一定的推廣價值。
  5. It is impossible, of course, to focalize the sunlight within the human body, so we have to use a kind of high - energy high - penetrability ray such as gamma ray. meanwhile, focalization of gamma ray, not as simple as that of magnifier, should be based on comprehensive utilization of various modern technologies such as nuclear physics, computer, bioradiology and electromechanism

    當然,要想在人體內聚焦,太陽光線是不可能的,而必須採穿力的高能線如伽瑪線同時,要讓伽瑪線聚焦也不像放大鏡聚焦那樣簡單,而要綜合利核物理計算機生物放機電等一系列現代技術才能實現。
  6. By adopting x - ray diffraction and transmission electron microscope ( tem ), this thesis has insepectd the size and the structure of the calcium carbonate ( caco3 ) particles. according to hydrophile and lipophile balance ( hlb ), the suitable surface - active agents have been selected and put into lubricating oil with nanometer caco3 particles

    本文採x線衍儀和電鏡檢驗了納米碳酸鈣粒子的粒徑和內部結構,根據親水親油平衡值( hlb ) ,選擇合適的表面活性劑將其加入到含納米碳酸鈣粒子的潤滑油中進行表面改性。
  7. The transmitted particles have not undergone an interaction.

    的粒子沒受到作
  8. 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」 。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。
  9. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    光譜儀對進口低溫明釉進行半定量分析,並原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫明釉採低鉛配方不能解決鉛溶出量的超標問題,只無鉛釉才能解決.探討氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的線膨脹系數、熔融溫度和明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝,研製出優質的1000 1050低溫無鉛明釉
  10. For designing a transmission computer optical element, it gives a method to improve the traditional gs ( gerchberg - saxton ) algorithm by the method of calculate phase while designing reflecting element, and gains initial data

    對在式元件的設計過程中,提出利設計反式元件時計算相位分佈的方法對傳統gs演算法進行改進,計算出gs演算法的迭代初始值,從而效地改進了gs演算法的不足。
  11. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先數值方法,計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的系數,並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系,得出j n ~ ( a - 1 ) , 0 . 5 1 ,與系統中在位勢的大小關,並與其他系統的結果作了比較。
  12. The holographic lens, which is designed according to bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow - band condition. a example and its results are also given in this paper

    該方法採雙片離軸全息鏡復合,按使條件在布喇格條件下進行消三級像差設計,製作設計的全息鏡具高衍效率高、像差小的特點,可以滿足任意給定的窄帶光場合。
  13. The main results achieved in this thesis can be summarized as follows : 1. by means of the fourier series expansion, an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived, and illustrated with numerical examples, when the transmissivity of the aperture is t ( x ) = cos ( x )

    傅立葉級數展開法研究了平頂高斯光束通過光闌限制的近軸abcd光學系統的傳輸特性,導出了光闌率為t ( x ) = cos ( x )時的近似解析傳輸公式,硬邊光闌的情況可作為= 0的特例得到。
  14. We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction

    二氧化硫熏氣染毒的體內實驗結果表明,在本次實驗的濃度范圍內( 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度) : ( 1 )通過電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒明顯的凋亡誘導作,但通過電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變,引起型肺泡上皮細胞板層體空泡化,微絨毛減少,線粒體緻密化或腫脹變性;肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚,使氧氣彌散功能出現障礙,從而降低肺功能。
  15. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    光率脈動檢測技術和光散顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  16. Submerged dyke is a common offshore structure, which is widely used for band protecting and silt promoting engineer and etc. however, few research studies are done upon such a problem home and abroad and even the accomplished results are not satisfying, which cannot be used for real projects, and in most cases, they will have to depend on the results of experiment

    然而,目前國內外對潛堤的研究很少,研究的成果也很不成熟,難以應到實際工程設計中,在很多時候,還需要藉助於物理模型試驗,因此,本文結合勝利油田保灘促淤新技術研究項目,對潛堤波浪力以及特性進行了深入系統的研究,力求揭示其內在規律,期望能獲得實際應意義的研究成果。
  17. According to hockney, the chandelier “ is in perfect perspective, ” as it would be if drawn under projection

    據霍克尼的說法,這盞吊燈具完美的視,如果它是法畫成的,也理當如此。
  18. These suggested that so2 may affect body immunity to a certain degree. ( 3 ) effects on mouse thymus of so2 challenge : he staining showed no obvious structure changes of thymus in all treatment groups compaired with the control group ; the ultrastructure of thymus can be seen injured in so2 treated groups from tem observation

    ( 3 )二氧化硫染毒對小鼠胸腺組織學結構影響較小:電鏡觀察發現胸腺組織中部分淋巴細胞變形且異染色質增多,胸腺上皮細胞中可見次級溶酶體增多,線粒體變形,這說明二氧化硫可能對中樞免疫器官也一定的不良影響。
  19. Determining oxygen saturation in human blood by transmittance oxymetry is well developed as a monitoring technique, which is applied widely in clinical diagnosis or house health care. however, reflectance detecting is necessary in many circumstances, such as cerebral oxygen saturation, muscle oxygen saturation, or fetal oxygen saturation monitoring. how to get an exact and dependable reflectance oxygen saturation value by non - invasive and economic means is always concerned by researchers in biomedical engineering

    式檢測方法確定人體血液中的氧飽和度已經是較為成熟的監護手段,在臨床和家庭保健場合廣泛的應;但在很多需要進行反檢測的場合,如腦血氧、肌血氧、胎兒血氧監護等,如何無創、經濟的方法獲得準確、可靠的血氧飽和度值仍是生物醫學工程領域不斷在探索的問題。
  20. Utilizing the transmitted electronic microscope ( tem ), we can observe that particles disperse uniformly and some of them congregate

    電子顯微鏡( tem )觀察到:微粒在磁性液體中均勻分散,少數微粒形成聚集體。
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