金屬物理學 的英文怎麼說
中文拼音 [jīnzhǔwùlǐxué]
金屬物理學
英文
metal physics- 金 : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
- 屬 : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 金屬 : metal
- 物理學 : physics
- 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
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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。On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element
本文正是在銀河系化學演化的基礎上,利用銀河系的三成分( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (氣體,分子云,大、小質量恆星以及剩餘物質)的化學演化的理論模型,通過與觀測約束(質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗模型的合理性。In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately
近些年來,人們發現在鈣鈦礦錳氧化物ln _ ( 1 - x ) axmno _ 3 ( ln為la , nd , pr等稀土金屬元素; a為ca , sr , ba等堿土金屬元素)中具有磁電阻( magnetoresistance )效應,由於它在磁記錄,磁傳感器方面具有廣泛的應用前景,同時也向傳統的磁記錄材料提出了挑戰,因而引起了物理學界的廣泛關注。The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done
自1989年在摻雜鈣鈦礦型錳氧化物ra _ ( 1 - x ) m _ xmno _ 3 (其中m為金屬離子, ra為三價稀土離子)中發現龐磁電阻( cmr )以來由於其在磁記錄、磁傳感器等方面潛在的應用前景,以及金屬?絕緣體相變等所涉及的強關聯效應,使該類化合物吸引了物理學界的廣泛注意。Two of liquid metal materials, i. e. liquid metal pb - 17li and li, are seriously considered for their physical and chemical properties. liquid metal pb - 17li is one of the most attractive candidates for using as breeder, neutron multiplicator and coolant in dual - cooled waste transmutation blanket of fds
分析了有關液態金屬材料的物理化學特性,經過綜合慎重考慮和研究,選取液態金屬pb - 17li作為氚增殖劑和中子倍增材料,同時也作為冷卻劑和氦氣在包層中分離冷卻。Professor che pioneered the chemistry of reactive ruthenium - ligand multiple bonded complexes, which he subsequently used to elucidate the mechanisms of atom and group transfer reactions with organic substrates. he discovered a series of biomimetic chemical reactions applicable to the synthesis of pharmaceuticals and fine chemicals. he also pioneered the photochemistry of phosphorescent metal complexes and synthesized, by photochemical means, novel types of reactive molecules that exhibit unique properties and reactivities unreachable by ground state molecules
支教授創立活性釕多重鍵配合物化學並用於揭示原子和基團向有機底物轉移的反應機理開拓一系列可應用於藥物合成和精細化學品合成的仿生物化學反應創立磷光金屬配合物光化學,並利用光化學方法合成具有基態分子所無法達到的特殊性質和反應性的新穎物種。One was using the cyclic ether to pretreat the lithium metal electrode. and a favorable surface sei film was wished to form on the lithium metal, to enhance the interface stability of lithium electrode and the cycleability of lithium battery
方法一:嘗試採用環醚類化合物對金屬鋰電極進行表面預處理,預先在金屬鋰表面形成良好的表面sei膜,提高鋰電極界面穩定性和鋰負極的電化學性能。This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves
土壤有機碳的穩定機制主要包括: ( 1 )有機碳的難降解性; ( 2 )金屬氧化物和粘土礦物與有機碳的相互作用; ( 3 )土壤團聚體的物理保護導致的生物與有機碳空間隔離; ( 4 )土壤生物學機制,主要指土壤生物自身對有機碳穩定性的直接貢獻。From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。High quality cube - like mnse2 and sphere - like ( - mnse micro - crystals have been obtained in aqueous solution at low temperatures ( 100 ( c ~ 180 ( c ). by using tellurite as reactant, uniform cote and nite nanocluster wires were successfully synthesized through a co - reduction process
用亞碲酸鹽代替亞硒酸鹽,上述方法被成功應用到金屬碲化物的動力學調控合成中,通過共還原反應機理,利用新生的元素co 、 ni與活性碲,於水溶液中合成了cote和nite的一維納米線。Through charoma theory and metal - bearing ores " color index analysis, the color of the turquoise is quantitated. crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron. in this charpter, quantum mineralogy theory is used in quantity
通過吸收光譜實驗,利用量子礦物學的有關知識,對綠松石中銅離子的晶體場譜進行了計算,並利用晶體場理論解釋了綠松石吸收光譜,揭示了綠松石顏色形成的主要原因是聯系著晶體場譜的顏色:過渡金屬銅離子對綠松石的顏色起主要作用? ?決定了綠松石的基本色調(天藍色) 。So it plays an important role and demonstrates its unique advantages over other soil animals in the assessment of heavy metal contamination of environment ; this review first briefly summarizes some methodological systems and major parameters ( community structures, species character, survival, growth, reproduction, metallothionein, and enzyme ) used in the study of ecotoxicology and other related biomarkers in applying collembola in ecological risk assessment of polluted soils
本文簡要概述彈尾目昆蟲在污染土壤生態風險評估中、生態毒理學研究以及其他相關生物標志物研究上的一些方法體系及檢測主要指標參數(群落結構,種群特徵,生存率,生長率,繁殖率,金屬硫蛋白和酶活指標) 。As predicted theoretically, the ps polymer spreaded over the surface of the titania particles to form composite particles with core - shell structure. the influence of ph value and non - ion surfactant in heterocoagulation was discussed. the property of the coated particles was characterized by sem, and zeta potential, particle size distribution of the particles before and after encapsulation was obtained by laser particle size analyzer
根據機械力化學的原理,採用自行制備的微米級ps和pmma (聚甲基丙稀酸甲酯)高聚物微球、金屬粒子、納米級的tio _ 2 、爐料為原料粒子,通過採用自行研製的乾式沖擊設備和lg攪拌磨製得以高聚物微球、金屬粒子為核,納米tio _ 2 、碳黑粒子等為包覆粒子的具有不同特殊功能的納米微米復合粒子。Nickel and its metal complexes not only have great importance to study of chemical science, but also have comprehensive applications to the field of technique. meanwhile, the extensive interest of spectroscopists and academic chemists has been arosed by high symmetry and particular electronic structure of nickel one - nuclear complexes
鎳及其金屬配合物不僅對于化學科學研究具有重要意義,而且在技術領域也有著廣泛的應用,鎳單核類配合物所具有的高對稱性和獨特的電子結構也引起了光譜學家和理論化學家的廣泛興趣。The central point of this course is to provide a physical basis that links the structure of metals with their properties
本課程重點在為金屬結構與性質間的關聯提供物理學的基礎。Main curricula : the introduction of material science and engineering, agglomerate state physics, polymer material, the technology of x - ray, physics, metal material science, inorganic chemistry, organic chemistry, physical chemistry et al
主要課程:材料科學工程導論,凝聚態物理,高分子材料,高分子科學, x射線學,物理學,金屬材料學,無機化學,物理化學等Laser quenching is one of the important field of using laser technology in industry, which is closely connected with several subjects, i. e. laser physics theory, laser processing technology, metal physics et, al
激光淬火(相變硬化)是激光技術在工業中應用的一個重要領域,該技術與激光物理學、激光加工技術、金屬學熱處理等幾門學科緊密相關。Q. q. gou, x. q. wang and j. f. meng, theoretical calculation for the equation of state and phase transition of lithium hydride crystal, high pressure research, 6, 141 ( 1991 )
王新強、茍清泉,用離子重疊-壓縮模型對堿金屬氫化物晶體中h -離子壓縮規律的研究,高壓物理學報, 7 , 161 ( 1993 )The ntu " khpi " scientific schools are known beyond the boundaries of the country primarily thanks to such scientific chairs as metals physics, high technologies of metal working, electric drive, internal combustion engines, tank - building, ceramics and composites, synthesis of nitric acid, oil fuel, electric chemistry, space apparatus control systems, industrial and medical electronics, information equipment, control systems and so on
哈爾科夫工業大學享有較高的國際聲譽,主要是由於其在金屬物理學研究,金屬處理,電力驅動,內燃機,坦克製造,制陶和復合材料,氮酸合成,燃油,電化學,空間裝置控制系統等高新技術方面。Furthermore, the interaction of magnet and wire coil can produce the electricity power, which is named magnetic force cutting in the physics
此外,磁體和金屬絲卷之間的互相作用可以產生電磁力,在物理學里稱為電磁感應。分享友人