超微化學 的英文怎麼說

中文拼音 [chāowéihuàxué]
超微化學 英文
ultramicrochemistry
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 超微 : advanced micro devices
  1. 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。
  2. This study is a post - cruise study of this leg, calcareous nannofossil samples from sites 1146, 1147 and 1148 of leg 184 were analyzed to provide a high - resolution biostratigraphy for this leg and to investigate morphological variation of coccolith genus gephyrocapsa. the main results of this study are : 1. 12 late pliocene to pleistocene bio - events were recognized and 6 zones of martini ( 1971 ) were determined for the upper sediment sequences of sites 1146 and 1148

    本文作為大洋鉆探項目船下后續研究的一部分,對184航次中的1146站位和1147 、 1148站位的樣品進行了分析和研究,在船上科家已經建立起的地層框架的基礎上進一步加密采樣,對生物事件標志石類別進行數量統計,進一步確定了12個生物事件在鉆孔中的深度,建立起了兩個站位的高解析度的鈣質石生物地層框架。
  3. In this paper, the aqueous sol of sno2 ultrafme particles were prepared by the colloid chemistry method. here we found that the partical properties of sno2 was concerned with experimental parameters such as type of peptization acid, sn4 + concentration, peptization time, peptization temperature, ageing time et al

    本文採用膠體法制備了sno _ 2納米粒子水溶膠,細致研究了膠溶酸類型、 sn ~ ( 4 + )濃度、膠溶溫度、膠溶時間、陳時間等對納米粒子性質的影響,並利用浸漬提拉法制備了sno _ 2粒子薄膜。
  4. The inspection items include harmful existences ( pathogenic microbes, celozoic and ectozoic parasites, insects, weeds and other harmful substance ) ; residues ( pesticides and veterinary drug residues, heavy metal, chemical toxins, toxic substances, trace elements ) etc

    檢驗項目包括有害生物(病原生物,體內、外寄生蟲,昆蟲、有害物質、雜草等) 、殘留(農藥與獸藥殘留,重金屬,生物與毒素,有毒物質,標的量元素)等。
  5. Methods : the sartorius muscle was processed by conventional chemical fixation and cryofixation followed by freezing substitution

    方法:蟾蜍縫匠肌經常規固定以及低溫快速冷凍固定、冷凍置換后,透射電鏡進行結構觀察。
  6. Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly

    方法:通過給予大鼠飲用3氯鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥酶( th ) (或加壓素? vp )免疫組織多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast結構的變、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變
  7. In view of its high economic values, the author studied the ultrastructure of the mature sperm and spermatogenesis of cipangopaludina chinensis in order to supply the basic materials of the reproductive biology of cipangopaludina chinensis

    鑒于其較高的經濟價值,作者運用光鏡、電鏡和細胞方法,對中國圓田螺成熟精子和精子發生的結構進行研究,以期為中國圓田螺的繁殖生物研究提供基礎資料。
  8. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變,表現在:鍍液的陰極極過電位和極度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯結構由非晶態向晶和多晶態轉變;鍍層的顯硬度與耐磨性提高,力性能優;鍍層的矯頑力降低;磁導率提高;鍍層的磁強度在能量(聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  9. Ferrannini, lanfranchi a, rohner jeanrenaud f, et al. influcence of longterm diabetes on liver glycogen metabclism in the rat [ j ]. metabolism. 1990, 39 ( 10 ) : 1082

    賈雪梅,齊易祥,王惠珠,等.實驗性糖尿病對小鼠肝臟酶組織結構的影響[ j ] .解剖雜志, 1995 , 18 ( 5 ) : 451
  10. In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively

    第二章非線性光性質,首先分別從宏觀和觀兩個角度討論了極強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極率和非線性率的定義,然後分別運用含時擾理論和密度矩陣理論求解了分子體系的線性極率和非線性率。
  11. The cwtc adopts the most stringent international standard for dioxin emission, that is, less than 0. 1 nanogramme per cubic metre

    青衣廢物處理中心採取國際上嚴格的二惡英排放標準,即每立方米不過0 . 1毫克。
  12. It can also meet the most stringent international standard for dioxin emissions ( i. e. less than 0. 1 nanogramme per cubic metre ), same as that for the united states, european union and japan

    青衣廢物處理中心亦符合國際上對二惡英排放規定的最嚴格標準(即每立方米不過0 . 1毫克) ,相等於美國、歐盟及日本等國家對二惡英排放規定的標準。
  13. Preparation of ultrafine iron oxide powder by colloidal chemical method

    膠體法制備氧粉體
  14. Using fresh bean dregs as raw materials, combining the method of the advanced biological technology along with the traditional chemical method, the new techniques such as separation, abstraction and ultra - fine pulverizing are employed to produce chewing flakes of dietary fibre

    摘要以新鮮豆渣為原料,運用現代生物技術與傳統法相結合手段,採用分離提取、粉碎等新技術,制備豆渣膳食纖維的咀嚼片。
  15. Yttrium aluminum garnet ( y3al5o12, yag ) is not only a very important laser material, but also a high - temperature structural material and a fluorescence material. in this paper, the discussions are mainly focused on the synthesis of yag powders by co - precipitation method, self - propagating high - temperature synthesis and mixed method, powder ' s property, etc. in the co - precipitation method, the precursor was produced by adding a mixed a1 ( no3 ) 3 and y ( no3 ) 3 solution to nh4hco3 solution. yag can be obtained by heating the precursor at looo ' c for 5 hours without the formation of yam and yap transition phase

    釔鋁石榴石( y _ 3al _ 5o _ 12 ,簡稱yag )是一種重要的激光基質材料,同時它還作為高溫材料和熒光材料得到了廣泛的應用,本文主要討論了共沉法、燃燒法制備yag的粉的工藝,並對yag粉的性能及物相進行了分析;採用固相合成法制備了ca , ca : yag系列陶瓷,並對其結構和性能進行了討論。
  16. Histologically, diffuse distribution of eosinopholic cardiocytes with pyknosis was noted. immunohistochemical staining for myoglobin discovered wide and diffuse loss of myoglobin throughout the ventricular myocardium. ultrastructurally, the myocardial cell with myoglobin loss were characterized by the presence of swollen mitochondria and packed cellular constituents

    組織檢查注意到彌散性分佈伴有核碎裂的嗜酸性變性,肌紅蛋白組染色發現整個心室肌廣泛性脫失,結構研究表明脫失肌紅蛋白的心肌細胞存在線粒體腫脹和細胞內成分的堆積。
  17. How to obtain the useful biochdrical informaton on this scale is the new tren in the research fie1d of analytical chehascy therefore, single molecule detection, sing1e cell detection, dna ~ and the shaple dna analysis were one of the main research direeons ofanalytcal chendscy nove1 molecular probe and ultrasmali biosensor for real tiine and in vivo detection has been the focuses in the research field of analytical chendstry according to the above mentioned advanced direetions, two pnd of inveshgations has been pdrirmed in thes thesis

    人們對生命現象的觀察和研究已經深入到納米尺度和單細胞,單分子的水平,如何在這樣一個尺度范圍內獲取有用的生物信息對分析的各個研究領域均提出了新的要求。單分子、單細胞檢測、生物晶元的開發以及納米技術的應用漸漸成為現代分析研究的主流領域之一。可進行實時、在線、原位、活體檢測的分子探針和型生物傳感器成為人們研究的熱點和重點。
  18. The review has been written to introduce new developments of environment - friendly synthesis of pinacols in aqueous media, including microwave irradiation, ultrasound irradiation, solvent - free, electrosynthesis and photochemical synthesis

    綜述了近年來片吶醇綠色合成研究的新進展,主要包括波、聲波、固相合成、電合成、光合成等新技術、新試劑在該反應中的應用。
  19. A ) si thin film with sub - micro thickness was epitaxial grown on heavy - doped si substrate by ultra high vacuum chemical vapor deposition ( uhv - cvd )

    A )利用高真空氣相沉積( uhv - cvd )技術在重摻si襯底上生長高晶體質量的亞米級薄硅外延片。
  20. These studies have shown significant results : to protect wollastonite ' s crystal structure, we can forge and then cool it before fining ; adopting mechanochemical modification by jet mill, we can make wollasonite to fine and modification at the same time ; in order to understand thoroughly the major results achieved in enhancement of mechanical capabilities of the polypropyl ene filled with the modified wollastonite, this paper has researched deeply the interface mechanism through combining experiments and measure means with theory analysis, and tried to give a further explanation and demonstration about improving of the macroscopic mechanics performances of composite material and to offer a theoretical basis for improving material ' s mechanical properties

    特別是採用粉碎前對硅灰石煅燒空冷處理的方式,獲得了程度更高、長徑比更大的硅灰石;利用機械力改性及音速氣流粉碎技術,使硅灰石粉碎?改性同時完成;應用現代測試手段,結合實驗對界面觀形貌、結構及其機理進行研究,進一步解釋與論證了復合材料的宏觀力性能,為改善復合材料的綜合性能提供了理論基礎。這些方面的研究在同類研究中具有一定的創新性。
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