離子重量 的英文怎麼說
中文拼音 [lízizhòngliáng]
離子重量
英文
ionic weight- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 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...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 離子 : [物理學] ion
- 重量 : weight; scale; heft
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The following phenomenon is desired to seen : with the increase of colliding energy, the net baryon number tends to be zero in the mid - rapidity region
人們渴望在高能重離子碰撞中看到:隨著對撞能量的升高,在反應的中心快度區出現凈重於為零的現象。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。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。Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow
研究表明k ~ +集體流在相對論重離子碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核子和k ~ +介子的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。The very low electrode potential of lig is an another important reason for the good electrochemical performance of li - ion secondary batteries
嵌鋰石墨大量用做鋰離子二次電池另一個重要原因就是嵌鋰石墨具有非常低的電極電位。Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science
探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展,有著重要的理論意義;而對太陽活動的預報,是國際前沿科學?空間天氣學的重要組成部分,對避免空間災害、為航空航天科學提供服務等方面,具有重大的實際應用價值。Gene engineering based on reducing na + toxicity creats a new approach to plant salt tolerance. this is the first time expressing of sod2 in arabidopsis thaliana and maybe attribute to research the ion homeostasis in the cell. the sod2 gene was isolated from s. pombe by rt - pcr method and confirmed by sequencing
雖然sod2基因已經克隆,但是sod2在高等植物中異源表達及對其影響還未見報道,因此sod2基因在擬南芥中過量表達,對研究細胞的離子均衡及運用基因工程手段有效地提高植物的抗逆性具有重要意義。The huge energy - momentum of particles can be transformed into thermal energy by accelerator experiment at high energy to study perturbative vacuum of quantum chromodynamics and determine the signal of quark - gluon plasma
在實驗上,人們通過相對論性重離子碰撞實驗把巨大的動能轉化為熱能,來研究量子色動力學的微擾真空及其所預言的夸克?膠子等離子體。One of the focuses in investigating the high energy heavy - ion collisions is to explore the existence and the properties of quark - gluon - plasraa ( qgp ) which is predicted by the strong interaction theory - quantum chromodynamics ( qcd )
探尋強相互作作理論?量子色動力學( qcd )所預言的夸克膠子等離子體( qgp )的信號及相變性質( ? )直是高能核?核碰撞實驗的重要目標之一。Based on the revers kinetic intermediate energy heavy ion collision in which much more intermediate mass fragments are emitted towards forward angles, a sensitive observable on isospin effects in heavy ion collisions is investigated by means of using isospin dependent quantum molecular dynamics ( iqmd )
摘要在重離子碰撞過程中,基於重質量的彈核轟擊輕質量靶核有大量中等質量碎片向前發射的逆運動學效應,利用同位旋相關的量子分子動力學觀察和研究了重離子碰撞過程中同位旋效應的靈敏性。Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth
值分佈以及場向電流強度和密度隨亞暴位相的變化,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。Testing water - determination of sulphate ions - gravimetric method
水的測試.硫酸鹽離子含量的測定.重量法Through great quantity of research, scientists confirm that the increasement of cation will cause the great increasement of serotonin in blood, and that some even accelerate the secretion of epinephrine, which can cause suprarenal failure syndrome
科學家們的大量研究證實,空氣中正離子增加,重者會使一些人的血液中增加大量的血清素,有的還促使腎上腺素分泌過多換上一種「腎上腺衰竭綜合癥」 。Standard guide for displaying the results of chemical analyses of ground water for major ions and trace elements - trilinear diagrams for two or more analyses
地下水重要離子和微量元素化學分析結果顯示的標準導則.兩種或更多種分析質三線性圖Biosorption is a process that utilizes inexpensive active / dead biomass to sequester heavy metals and is particularly useful for the removal of contaminants from industrial effluents. compared with conventional methods such as ion exchange and precipitation with lime, the biosorption process offers the advantages of low operating cost, minimization of the volume of chemical and biological sludge to be disposed of, high efficiency in detoxifying very dilute effluents
生物吸附技術是環境領域近年來迅速發展起來的處理工業污染廢水的新技術,它以各種生物(菌類或藻類)吸附廢水中的重金屬離子,具有吸附容量大,選擇性強,效率高,消耗少,並能有效的處理含低濃度重金屬離子廢水等優點。The process parameters of preparing nanosized titanium dioxide powders were systematically studied by electrochemical synthesis experiments at room temperature. the rutile phase and anatase phase powders were obtained in the sizes of 9. 7nm and 9. 2nm respectively, and the complete crystal powders were formed after calcined at 400 for two hours. in the process of experiments it was observed that the low current density resulted in rutile phase powders, while the addition of little amount of ions of sulfate promoted the formation of anatase phase powders
在本實驗條件下,小的電流密度有利於金紅石相的生成,而少量硫酸根離子的引入對生成銳鈦礦相粉體有利,調整電流密度大小和引入硫酸根離子的量,可以得金紅石型和銳鈦礦型的混合混體;研究無定型粉體,銳鈦礦相粉體以及金紅石型粉體隨溫度的粒徑變化情況時發現,粉體在400以前晶粒長大相對緩慢, 400以後晶粒粗化現象嚴重。At the condition of constant salt content ( total ion content ), if the water mass fraction in the substrate is lower than 50 %, its ec is determined by both the salinity and the moisture of the substrate
試驗結果表明:在保持基質鹽分(離子總量)水平不變的條件下,若基質質量含水率低於50 % ,則電導率值受基質內離子含量和基質水分的雙重影響。The results indicate that the absolute and relative contents of sodium - ion and calcium - magnesium - ion in soil are important to identify dispersive clay soils, while the content of montmorillonoid is one of key factors and the river water affects the dispersibility of clay greatly
結果表明土樣中鈉離子和鈣鎂離子含量多寡和相對含量對粘土分散性具有重要的作用,蒙脫石的存在是粘土分散性的重要因素,河水對粘土分散性能將產生顯著影響。Due to their advantages of high selectivity, fast analytical speed, simple operation and low price of instrument, biosensors have been used widely in the fields such as clinical medicine, food industry, environment control, martial medicine, etc. urease biosensors have important applications in clinical medicine and determination of heavy - metal ions in water
由於生物傳感器具有選擇性好,分析速度快,操作簡易和儀器價格低廉等優點,在臨床醫學、食品工業、環境監測、軍事醫學等領域得到了廣泛的應用。脲酶生物傳感器在臨床醫學和對於水中重金屬離子含量的檢測方面具有重要的應用。分享友人