核能譜 的英文怎麼說
中文拼音 [hénéngpǔ]
核能譜
英文
nuclear spectrum-
It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust
研究表明：野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線，這裡面包含著鈾、釷、鉀等天然放射性核素信息，核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。Study for energ spectra of nuclei in gds shell with pdhf method
殼層核的能譜研究Study for the negative parity energy spectrum of ba and xe isotopes nuclei with effective three - body potential
等效三體勢對偶偶ba與xe同位素核的負宇稱帶的能譜研究We further find that anti - flow appears at certain large impact parameter, which seems to be more sensitive to 2 and might provide more definite information of the magnitude of 2. the absorption effect of k - mesons is also studied, we find although there exists strong k - absorption, k - spectrum can still contain the messages of at " in nuclear medium
接著我們又研究了k ~ -介子的吸收問題，發現雖然有強烈的k ~ -吸收存在，其能譜在不太重的核系統的非中心碰撞中仍顯示出對為的依賴，有可能提供k在核介質中性質的知識。The nuclear fissile reaction system, which provides nuclear energy or neutrons, theoretically demands its criticality safety and neutron energy spectrum to be predicated. generally, those are realized by calculating the k - eigenvalue problem
對于提供核能源或中子源的核裂變反應系統，需從理論上給出它的臨界安全性和中子能譜，通常通過k本徵值問題的計算來實現。As a nuclear instrument, multi - channel analyzer ( mca ) is mainly applied to nuclear logging, y - ray spectrum measurement and x - ray fluorescence measurement, which are based on nuclear spectrum analysis
作為一種核儀器? ?多道分析儀，主要應用在基於能譜分析的核測井，射線譜測量和x射線熒光測量。Analytical method for radionuclides by alpha spectrometry
放射性核素的能譜分析方法Uranium enrichment measurement and attributes determination are important activities in mc & a system and routine safeguards inspections. y - ray spectrometry is important one of nda methods widely used in nuclear safeguards
鈾樣品的富集度分析及屬性判定是核保障中衡算測量和核查測量的重要內容，能譜分析方法是核保障無損分析（ nda ）技術中重點研究的方法。All cross sections of neutron induced reaction, elastic scattering angular distribution, neutron energy spectrum and double differential cross sections were calculated by using optical model and the semi - classical model of multi - step nuclear reaction processes based on the hauser - feshbach and exciton model in the energy region up to 20mev
應用光學模型和以復合核平衡態理論（ hauser ? feshbach理論）及激子模型為基礎的核反應多步過程的半經典理論，計算了當中子入射能量低於20mev時n + ~ （ 112120 ） sn反應的所有中子入射截面、彈性散射角分佈、出射中子能譜以及出射中子雙微分截面。Standard multichannel analyzer histogram data interchange format for nuclear spectroscopy
核能譜學的標準多通道分析器頻率分布圖數據交換格式How to get multi - channel spectrometric data with high efficiency is an important issue in nuclear data acquisition field
如何高效地獲取核能譜多道數據是核數據採集領域里的重要課題之一。Therefore, the crucial factor of technology of nucleus - detection is nuclear spectrum data collecting system whose core is the multi - channel analyzer ( mca )
所以以多道脈沖幅度分析器為核心的核能譜數據採集系統，是核輻射探測技術的關鍵。As compared with multi - channel analyzer, platform of microcomputer consumes much more energy, thereby, it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus
對于基於臺式機和筆記本平臺的多道脈沖幅度分析器，微機平臺功耗很大。因此選用新型低功耗微機平臺，開發小型、低功耗的核能譜儀，成為今後核能譜儀的研究發展方向。Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus
論文瞄準國內外多道核能譜測量技術的發展趨勢，結合現場工作的特點，針對目前現場多道核能譜測量儀器中存在的諸如儀器功耗、重量、體積偏大，不便於現場操作等問題，在多道脈沖幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector
X熒光方法可以實現快速、原位、無損測量，被廣泛應用於地質、礦業、環保、考古、工業在線分析等領域，其原理是：在核能譜測量工作中探測器輸出的脈沖信號與入射粒子的能量成正比，通過測量脈沖信號幅度，得到入射粒子的能量。With the introduction of new pattern productions of electronic technology, such as new and low power integrated circuits, programmable application specific integrated circuits, microprocessor, etc, the function of nuclear spectrometry data acquisition system is stronger than before
隨著電子技術新成果的不斷引入，如採用新型低功耗集成電路、 asic集成電路、微處理器技術等，核能譜數據採集系統的功能日益強大，性能也日趨完善，而計算機技術的迅速發展，為核能譜數據採集系統實現智能化、微機化等提供了必要條件。Gamma spectrometry method for analysis of radionuclides in water
水中放射性核素的能譜分析方法Nuclear energy - measurement of radioactivity in the environment - water - part 2 : measurement of the concentration of uranium in water by inductively coupled plasma atomic emission spectroscopy
核能.環境中放射性的測量.水.第2部分:感應耦合等離子體原子發射光譜法測量水中鈾的濃度In the region of shorter wavelength ( r < 10nm ), measurement reflectivity is much lower than design reflectivity, so the making of high reflectivity multilayer mirrors is at the phase of exploring. the aim of the paper is to design and fabricate five mulitilayer mirrors in shorter wavelength of soft x ray region and makes up of soft x ray spectrometer which is applied to icf experiment
本論文所完成的是在軟x射線短波段的五個波長處（最短波長為1 . 03nm ） ，研製具有實用反射率的軟x射線多層膜反射鏡，並應用於慣性約束核聚變（ icf ）實驗中的軟x光能譜測量。The results show that the mass absorption coefficient is nearly exponent decay with the gamma energy, the less energy of gamma ray, the more probability of absorption in the iron sphere
結果表明，隨著射線能量的增加，質量吸收系數近似呈指d一t中子穿透鐵球伴生y射線泄漏能譜實驗研究數衰減， y射線能量越低，被鐵原子核吸收的幾率越大。分享友人