核子密度計 的英文怎麼說

中文拼音 [zi]
核子密度計 英文
nuclear density gauge
  • : 核構詞成分。
  • : 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...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 核子 : [物理學] nucleon: π 核子頂角 pi nuclear vertex核子靶 nucleon target; 核子傳遞 nucleon transfer; ...
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光分佈,得出激光場的光分佈,模擬激光場的動態建立過程。
  2. The effective coupling constants including isoscalar and mesons and isovector and mesons in the rmf are extracted from the dbhf results in symmetric and asymmetric nuclear matter. two sets of effective interactions in the rmf approach are deduced by imposing a condition, where the dbhf scalar and. vector self - energy or scalar self - energy and binding energy per nucleon at each density and asymmetry parameter are reproduced, respectively

    為了使我們提取的有效相互作用能夠準確地再現出dbhf算的狀態方程以及依賴的不對稱能,我們採用第二種萬法提取有效介耦合常數,即要求在對稱物質中,每個處ilif算出的標量自能及總結合能與dbhf給出的標量自能及總結合能一致,提取出。
  3. The results show that binding energies per nucleon at each density and various asymmetry parameters fulfill the empirical parabolic law and the asymmetry energy is density dependent. it is found that both scalar and vector potentials of neutron in the neutron rich nuclear matter become stronger although the isospin dependence is not stronger. we compare our results with those in a simple method, where the dbhf nucleon self - energies are extracted from the momentum dependence of the single - particle energy

    首先我們要求在每一個及各種不對稱系數的物質中,相對論平均場( rmf )算出的標量與矢量自能與dbhf算出的標量與矢量自能一致,從而得到在rmf下的依賴的有效介耦合常數,包括同位旋標量介
  4. Using different combinations of the nucleon density distributions of the ground state of 6he and the second excited state of 6li with and without the halo, we have calculated the microscopic optical potentials of the input and output channels, and, with these potentials, calculated the angular distribution of the " h ( he, li ) n reaction populating the second excited states of 6li by using a dwba code

    我們用假定的~ 6he基態和~ 6li第二激發態有暈和無暈的各種分佈的組合分別算了入射道和出射道的微觀光學勢並將其輸入通用的dwba反應程序算了~ 1h ( ~ 6he , ~ 6li ) n反應布居~ 6li第二激發態的角分佈。
  5. In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method

    為使理論算變得可行,我們在芯和靶採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈芯、靶分佈有關的積分;同時對與碰撞參數和暈坐標有關的積分(八重以上,並且積分維數隨暈數很快增加)採用蒙特卡洛方法算。
  6. Practices show that the compressive strength, the modulus of elasticity, the permeability coefficient and the compactness of concrete obtained respectively by the compaction method, the unconfined compression static compaction method, the sand trenching and filling method, and nuclear densimeters meet the requirement of design, and the mixing proportion of concrete of the side - wall is reasonable

    實踐證明施工中用擊實法、無側限抗壓靜力壓實法、挖坑灌砂法及儀分別檢測出的邊墻混凝土抗壓強、彈性模量、滲透系數和值均滿足設要求,邊墻混凝土配合比合理。
  7. The mechanism is that the introduced complementary oligonucleotides can bind to the corresponding mrna or double - stranded dna in genome and form partial double - stranded molecules or triple - stranded nucleic acid molecules by sequence - specific and nonsequence - specific antisense action, thus the target gene will be orientationally blocked and expression of the target inhibited so that therapeutic effect could be attained. in this study, we designed a fragment of human c ii ta cdna in antisense orientation using mrna of c ii ta as template. the primers were designed based on 94 - 500 nucleotides segment in 5 " end of ciita gene so that the interested gene contained 407 base pairs which included two aug codons in 1 16 and 188 nucleotides as well as the splicing site between the first and the second exons

    本研究設以c tamrna為模板的反義cdna片段,從c ta基因5 』端第94位到500位苷酸段設引物,目的片段407bp ,覆蓋第116和188位兩個aug,也包含了第一外顯和第二外顯間的剪接位點:用常規分生物學方法構建了反義片段的腺病毒表達載體( padeasy - 1系統) ;腺病毒載體經hek293細胞包裝產生含反義片段的重組腺病毒,用氯化銫離心法獲得純化的高滴腺病毒;進行體外基因轉移,分別用反義片段真表達載體轉染p388d1細胞和用重組腺病毒感染hela細胞,觀察導入的c ta基因反義rna抑制細胞內組成型或誘導型c ta基因表達的作用,從而達到調控mhc -類分表達的目的。
  8. Above all, this part gives an overview to the latest papers on the core capability research. secondly, on the basis of the overview, this part selects 16 variables to establish the whole evaluate system from the angle of capital scale, market power, making - profit capability, financing capability, risk - controlling capability, creative capability, quality of the financial statement and industry focus. at last, by using factoring and focus method, this part studies the core capability of chinese stockjobbers on the basis of 2002 data released by the csrc

    首先在資源、能力和環境三個維上,本部分就有關企業心競爭力研究的最新文獻進行了回顧和分類;其次,在文獻研究基礎上,緊結合中國證券公司運營的實踐,本部分分別從資本規模、市場勢力、盈利能力、融資能力、風險管理能力、創新能力、會信息質量、產業集聚等8個方面,選取16個指標構建了中國證券公司心競爭力的評價體系;最後,基於中國證監會所做的有關統數據,通過運用因分析和聚類分析的方法,對中國證券公司的心競爭力狀況進行了分析和評價。
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