中子透射 的英文怎麼說
中文拼音 [zhōngzitòushè]
中子透射
英文
neutron transmission-
Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。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
利用透射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，有電子緻密的核仁和染色質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，應用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，在沒有使用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，應用掃描電子顯微鏡和透射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。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，例如用可見光視頻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，利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈，利用可見吸收紫外透射玻璃製成的衰減器測量有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，並有一定的推廣價值。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
本文採用x射線衍射儀和透射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有納米碳酸鈣粒子的潤滑油中進行表面改性。Z. zhang, m. wollgarten and k. urban, " analysis of dislocations in icosahedral al - cu - fe alloy by transmission electron microscopy ", phil. mag. lett., 61 ( 1990 ) 125 - 131
「鋁銅鐵二十面體準晶中位錯的透射電子顯微學分析」 ， ， （英國）( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone
（ 4 ）採用掃描電鏡（ sem ）觀察缺口沖擊的斷裂形貌，通過透射電鏡（ tem ）觀察納米粒子和復合納米粒子的分散情況和粒徑的大小；通過超薄切片法研究復合粒子在聚合物基體中的分散性。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。The microstructure evolution of ferrite and pearlite in ecap was investigated by means of optical m icroscopy ( om ) and transmission electron microscopy ( tem )
並運用光學顯微鏡（ om ） 、透射電子顯微鏡（ tem ）及維氏顯微硬度儀研究了ecap變形后45鋼中先共析鐵素體及珠光體組織的演變特徵。The tem analysis of pa6 composites shows that optimal incorporation of nano - al2o3 into pa6 is at 10 phr of nano - al2o3, and that fillers can equably disperse in matrix
另一方面，透射電鏡分析表明，添加量為10phr的試樣中納米a12o3粒子可以在尼龍6基體中均勻的分散。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
本文首先用數值方法，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透射系數，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有關，並與其他系統的結果作了比較。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。Although this book deals, in the main, with the now well established techniques of analysis in conventional tem, a brief treatment is also given of further techniques of defect analysis such as high voltage electron microscopy ( hvem ) and scanning transmission electron microscopy ( stem ) this treatment is by no means detailed but is included to show that the subject is still developing in an exciting and challenging way
雖然這本書主要講述目前公認的常規tem分析技術，對于進一步的缺陷分析技術比如高壓電子顯微鏡（ hvem ）和透射電子顯微鏡法（ stem ）的簡單的處理也是有的，但是這種處理並不詳盡，只是列舉了在令人振奮和富有挑戰性的發展中課題中暴露出來的問題。Levels of fasting blood glucose and 24h urinary microcontent of albumin 24 h malb were determined dynamically ; the serum glycosyl hemoglobin hba1c was determined after the last medication ; the ultrastructural changes of kidney were observed by transmission electron microscope ; the expressions of collagen, fibronctin, laminin ln, and the ecm metabolism influencing factors, including mmp2, tissue inhibitor of metalloproteinase timp2, transfer growth factor 1 tgf 1 in renal tissue were detected by immunohistological chemistry and image collecting analytical system
動態檢測各組大鼠空腹血糖fbg 24h尿微量白蛋白24h malb ，末次給藥后測定大鼠血漿糖化血紅蛋白hba1c透射電鏡觀察各組大鼠腎臟超微結構改變，應用免疫組化技術及圖像採集分析系統測定各組大鼠腎臟組織中型膠原c纖維連接蛋白fn層粘連蛋白ln的表達，測定影響ecm代謝的基質金屬蛋白酶2 mmp2基質金屬蛋白酶抑制劑2 timp2及轉化生長因子1 tgf 1的表達。The result of transmission electron microscope ( tem ) showed that layers of layered silicates were exfoliated and dispersed in matrix homogeneously. according to statistical data, average thickness of layers was lonm, and the thickness of the biggest layers was less than 40nm, only a few layers were exfoliated in monolayer whose thickness was about inm
透射電子顯微鏡（ tem ）照片顯示：層狀硅酸鹽片層發生剝離，片層均勻分散在nbr基體中，統計表明片層的平均厚度約為10nm ，最大的聚集體的片層厚度達到40nm ，推斷有一小部分片層剝離成單晶層的形式，厚度為1nm 。The nucleation and growth of calcium oxalate ( caoxa ) crystals in liposome solutions was investigated using laser light scattering spectroscopy and transmission electron microscopy ( tem )
採用激光散射儀和透射掃描電子顯微鏡分別研究了卵黃卵磷脂（ pc ）囊泡的粒徑和囊泡中生長的草酸鈣晶體的粒徑大小。In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上，聚焦中空光束的dss越小，光學勢越大，相應的最佳失諧量越大，這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡，而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。The preparation of gold nanoparticles and the study of their surface plasmon resonance we had preparated gold nanoparticles of different size through two - step approach, one - step approach and seeding growth approach. uv - vis image and tem image indicated that surface plasmon resonance absorbance had a red shift with the argument of the sizeof the gold nanoparticles. 2
金納米粒子的制備及其表面等離子共振吸收特徵我們分別用兩步法、一步法和晶種法三種不同的方法制備了小、中、大三種不同粒徑的金納米顆粒，用紫外可見吸收光譜和透射電子顯微鏡進行表徵。By means of sem, tem, laser scattered particle analyzer, etc., the formation mechanism of ultrafine sio2 particle was studied. it was found that at the initial stage, the sio2 particle consisted of some minicrystal, but after the initial stage the sio2 particle was formed by some soluble aggregated substance growing on the surface of the early particle
運用掃描電鏡、透射電鏡、激光粒度分析儀等檢測手段，探討了體系中超細二氧化硅顆粒的形成機理和過程，指出超細二氧化硅粒子前期是由體系中的微晶核組成，中後期則由體系中的可溶性縮合物在其表面生長而成。The ultrastructural changes of microspore mother cells and tapetal cells in anthers during the abortion of male sterile cotton " kang a " were observed by comparing with its maintainer " kang b " and by using transmission electron microscopy
摘要以棉花細胞質雄性不育系「抗a 」為材料，以其同核異質保持系「抗b 」為對照，用透射電子顯微鏡技術，觀察了不育系敗育過程中小抱子母細胞與絨氈層細胞超微結構的變化。分享友人