heavy electron 中文意思是什麼
heavy electron
解釋
重電子-
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。 -
Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically
本論文運用mcdf方法，通過系統考慮電子相關效應和馳豫效應，分別研究了cs離子的4d內殼層激發態衰變動力學特性，超重元素bh （ z = 107 ）的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。 -
On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。 -
A new type of thin film laps based on chalcogenide glass - sensitive materials was developed by means of silicon planar technology and thermal evaporation technique. the physical layer structure and the stoichiometric composition of the deposited glass materials have been investigated using transmission electron microscopy. depending on the conventional " two - electrodes " measuring set - up, these novel thin film sensors possess certain sensitivity towards heavy metals of seawater
在laps的原理和應用基礎上，我們還進行了基於laps （光尋址電位傳感器）的微結構重金屬離子傳感器的研究：包括laps的結構優化設計、 laps器件的微結構加工和工藝、針對被檢測的重金屬離子，採用硫屬玻璃等固態敏感材料，完成敏感薄膜分子合成的優化設計及與laps的界面結合的特性研究等，並將測量結果和體傳感器進行比較分析。 -
The new sensitive materials deposited on laps with electron beam thermal evaporation meet the requirements for fabricating miniaturised sensor devices and can be employed in environmental control such as detection of heavy metal ions
在最後，我們提出了基於硫屬玻璃薄膜laps的新結構和新的測量方法，並進而提出我們對laps在海水重金屬檢測應用中可能的發展方向。 -
Changzhou flies in circles the day name heavy equipment limited company is studies the development, thproduction makes each kind of industry electron weighing apparatus the specialized enterprise
常州翔天稱重設備有限公司是研究開發，生產製造各類工業電子衡器的專業企業。 -
The distribution and accumulation of three kinds of heavy metals including lead, copper and mercury in tissues and cells of several organs, and their effects on activity of digestive enzymes and alkaline phosphatase of macrobrachium nipponense were studied with light microscopy, transmission electron microscopy, cytochemical method, atom absorption spectrum, mass spectrum analysis and enzyme analytical method
本文應用組織學、組織化學、透射電鏡、原子吸收光譜分析和酶學分析等方法，研究了鉛、銅、汞等三種重金屬在日本沼蝦各主要器官細胞內的分佈和積累以及對日本沼蝦消化酶和堿性磷酸酶活性的影響。
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