電離位 的英文怎麼說
中文拼音 [diànlíwèi]
電離位
英文
ionization potential-
It showed that 73 % increasing of toughness in modified composites was achieved without the reduction of other mechanical properties. sem has showed the periodically interleaved system where the co - continuously connected granular structure occurs layer by layer between each ply and the interlayer was relatively very thin
電鏡分析表明離位改性的碳纖維單向布周期性增強體系，在每兩層增強體之間都有很薄一層規整的球性兩相結構，正是這個獨特的多層結構使其抗沖擊性能大幅提高，而且不會對其他重要的力學性能產生不利影響。Calibration specification for thermal ionization isotope mass spectrometers
熱電離同位素質譜計校準規范Influence of the electrode position on dielectric barrier discharge - induced degradation of methyl violet in aqueous solution
電極位置對等離子體降解水相中有機污染物的影響Because of this, rempi technique can be used to study molecular spectrum, analytical chemistry, state - resolved detection, photoionization and photodissociation dynamic, laser isotope separation and combustion diagnose
Rempi技術在分子光譜、分析化學、態分辨探測、光電離解離動力學、同位素分離、燃燒過程的診斷和分析等研究領域中發揮著重要的作用。Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes.
通過使鈈或鈾同位素裂變，中於也能產生間接的電離作用。The simulation results show that, image will be severely degraded by phase fluctuations at typical conditions of the ionosphere, and can be well focused after calibration
模擬結果表明，電離層引起的相位起伏對成像影響較大，校正後可得到比較滿意的結果。More than half the elements are metals in which close-packed arrays of atoms are held together by delocalized electrons.
半數以上的元素是金屬，在金屬中原子依靠離位的電子緊密結合在一起。According to the present status of studying the solar flare using gps, a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined, with the data of dual - frequency gps code and phase and navigation message, the vtec at the satellite ' s epp can be worked out
根據現在研究太陽耀斑的實際情況，提出了利用gps研究太陽耀斑的數據處理方法：利用雙頻觀測值確定出儀器偏差后，再利用碼和相位觀測值，結合導航電文就可以求出電離層交叉點的沿天頂方向上的電子總量vtec值。By means of 4 dual - frequency gps receivers over china, the tec in the ionosphere during solar flare on nov 22, 1998 is calculated. the results indicate that the flare, the x - ray level of which is x3. 7, cause obvious tec enhancements in the ionosphere, the largest tec enhancement caused by the flare is about 1. 25 tecu. the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed. it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare, and can get more ionospheric disturbances information because of the special satellite constellation
此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線電短波中斷。通過對gps得到的電離層tec進行分析發現：此次耀斑造成了大面積的電離層tec的增加，耀斑爆發引起的最大tec增幅在1 . 25個tec單位左右利用高精度的gps數據處理方法可研究耀斑引起的電離層擾動。另外，還分析了由gps計算的tec的時空變化特點。Standard test method for uranium and plutonium concentrations and isotopic abundances by thermal ionization mass spectrometry
用熱電離質譜法進行鈾和鈈濃度和同位素豐度的標準試驗方法Level meter utilizing ionizing radiation
電離輻射料位計The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。In he - 3 and de - 3, 16 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 16 protein spots that were up - and down - r gulated were identified unambiguously. in he - 2 and de - 2, 20 protein spots that were absolutely different ( only expressed in diploid embryos but not in haploid embryos or vice versa ) and 5 protein spots that were up - and down - regulated were identified unambiguously, some of these different proteins are correlative with eyes development, nerve development, development regulation, cell differentiation and maintenance, arthromere formation and signal transduction. it shown that gene expression have significant difference between diploid and haploid during embryos developing
分別選取其中70個分辨好的差異蛋白質點進行原位胰蛋白酶酶解，酶解的肽片段用基質輔助激光解析電離分行時間質譜（ maldi - tofms ）得到肽質指紋圖譜，再在網上peptident軟體中搜索swiss - prot和trembl數據庫，初步鑒定了he - 3和de - 3上32個差異蛋白質點，其中包括16個表達量上有差異的蛋白質點（ p 0 . 05 ）和16個有無表達的差異蛋白質點，並且初步鑒定了he - 2和de - 2上25個差異蛋白質點，其中包括5個表達量上有差異的蛋白質點（ p 0 . 05 ）和20個有無表達的差異蛋白質點。An ionosphere - free positioning method is brought forward, which is derived from drvid model to eliminate the effects of ionosphere
提出了無電離層影響的定位方法，該方法通過對drvid模型進行變換，消除了電離層的影響。In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr
流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制，本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。Abstract : this paper describes the methods to form silver clusters in solid, liquid and gas phases ; the properties of clusters such as absorption bands, esr, redox potential, ea and ip, and their catalytic behaviours in photo - splitting water and photographic development processes
文摘:本文綜述了在固相、液相和氣相中形成銀團簇的方法，銀團簇的主要性質如吸收光譜、 esr 、氧還電位、電子親和勢與電離能，以及銀團簇在光解水和照相顯影過程中的催化作用。It can be seen from the measuring results that the deviation is litter than 10. 1 % when the estimate value of the nature radiation ' s kerma is compared to the average value gotten by standard ionization chamber, and the deviation is less than 16. 2 % when the estimate value of two groups of tlds those measuring radiation in laboratory is compared to the conventional true value in standard radiation field
從參比單位給出的測量結果看出，天然環境輻射比釋動能測量的評定值與標準電離室測量的平均值比較，其偏差好於10 . 1 % ，實驗室射線照射組兩組熱釋光劑量計（ tld ）測量評定值與標準輻射約定真值偏差好於16 . 2 % 。To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere
本論文介紹了兩種校正方法：利用加權函數抑制色散效應引起的二次相位誤差，以及使用相位梯度自聚焦演算法較正由電離層的不規則性引起的信號相位起伏。On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution
文中主要研究了電離層的三種影響：信號經過電離層傳播的群延遲引起的成像偏移；電離層的色散效應給線性調頻信號帶來二次相位誤差，導致圖像退化、失真；以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上，比較分析了不同波段、帶寬條件下電離層的影響。Energy absorbed per unit mass of the material
單位質量物質吸收的電離輻射能量。分享友人