放射性探法 的英文怎麼說
中文拼音 [fàngshèxìngtànfǎ]
放射性探法
英文
radioactive exploration (prospecting)- 放 : releaseset freelet go
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 放射性 : [物理學] radioactivity; activity; emissivity
- 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
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With the corrected parameter files, the results indicate that the isotopic abundance in the sample can be determined within 2 % error using a hpge detector system. artificial neural networks ( ann ) are a class of models based on neural computation and have been applied to the measurement of uranium enrichment. the principles of ann methods used in uranium measurement are presented in this paper and the conditions of analysis proceedings are described
在核保障核查測量中和實物監測中,測量對象往往是規格確定並種類有限的元件或部件,只需要關心測量對象的屬性是否發生了變化,或者對同一種類的放射性樣品的一致性做出判斷,這種要求下使用神經網路方法是比較適宜的,並且神經網路方法是與探測器和探測效率無關的。Medical electrical equipment. part 2 : particular requiremet for the safety of patient contact dosemeters used in radiotherapy with electrically connected radiation detectors
醫療用電氣設備.第2部分:用電連接放射探測器的放射治療法測定病人接觸劑量計安全性的特殊要求A survey of literature shows that little study has been done on uptake of pollutants by plants from the polygonaceae, and that the reports about their physiological and biochemical characteristics under heavy metal stress were sporadically seen. a batch of sand culture and soil culture experiments were carried out to investigate heavy metal and radiocesium uptak e and accumulation by rumex acetosa linn, polygonum microcephalum d. don, and rumex hastatus d. don widely distributed on copper mining areas, and their physiological and biochemical characteristics under cu zn stress, as well their potentials in application to phytoremediation
本論文以廣泛生長于銅礦區的蓼科植物酸模、小頭蓼和戟葉酸模為試驗材料,運用砂培、土培等方法,研究它們對重金屬( cu 、 zn )以及放射性核素( ~ ( 134 ) cs )的吸收和積累特性以及cu 、 zn脅迫條件下它們的生理生化特徵,初步探討它們在無機污染物污染土壤植物修復中的應用潛力。Objective to investigate pathogen lose existing or not in patients with radiation mucositis
摘要目的探討在放射性粘膜炎中是否存在致病菌方法。Radon surveying technique has been a convenient and effective radioactive exploration in the field of earth physical prospecting, which is applied widely in many fields
氡氣測量法已成為地球物理勘探工作中一種便利的、有效的放射性探測技術,在眾多領域中得到了廣泛應用。Abstract : on the basis of geological setting, burial characteristics and circumjacent environment of the graveyards of the spring and autumn period, the period of warring states, qin dynasty and han dynasty in hunan province, the authors used such geophysical and geochemical integrated methods as radiometric radon survey, mercurometric survey and ground penetrating radar to explore four large - medium - sized ab chu - tombs in a certain county in northwestern hunan and yangjianshan ancient tombs in changsha city. the results indicate the successfulness in prospecting for the integrity of the anciernt tombs
文摘:根據湖南春秋戰國?秦漢古墓葬地質條件、埋葬特徵與周邊環境,遵循準確、簡便、快捷和經濟的原則,選擇並運用放射性氡測量、汞測量和探地雷達等方法,對湘西北某縣ab戰國楚墓群4個大中型古墓和長沙楊家山古墓開展物化探綜合勘查試驗,取得了古墓完整性勘查研究的初步成功。This article introduces the process and requirements of detection set by iaea in the light of the need for detection, setting of investigation levels and alarm threshold, selection of instrument, location and evaluation of radioactive materials
本文從探查需求分析、調查水平和報警閾的確定、儀器選擇、探測報警、核查定位、鑒別等幾個方面介紹了對非法運輸放射性物質進行探查的一般過程和要求。Nuclear instrumentation - thallium activated sodium iodide detector systems for assay of radionuclides - calibration and usage
核儀器.放射性核素分析用鉈活性碘化鈉探測系統.校正和使用方法The predication technical methods consist of experience - analogy, geochemical techniques ( e. g. geo - gas method and partial extraction of mobile forms ), geophysical techniques ( e. g. radioactivity survey, ground electromagnetism, earthquake technique, hole geophysical survey ), remote sensing, gis, and comprehensive information prognosis methods
預測技術方法有經驗類比法,地球化學方法(如地氣法、活動態偏提取技術) ,地球物理方法(如放射性測量、地面電磁法、地震法和井中物探) ,以及遙感技術、 gis技術和綜合信息礦產預測方法等。Article 26 in conducting general surveys and prospecting for special fragile nonmetallic minerals, fluid minerals, combustible, explosive and soluble minerals and minerals containing radioactive elements, methods prescribed by the relevant departments under the people ' s governments at or above the provincial level must be used, and necessary technical installations must be provided and safety measures applied
第二十六條普查、勘探易損壞的特種非金屬礦產、流體礦產、易燃易爆易溶礦產和含有放射性元素的礦產,必須採用省級以上人民政府有關主管部門規定的普查、勘探方法,並有必要的技術裝備和安全措施。Manufactures interconnect products for electronic and industrial applications with subsidiaries and sales offices in many countries
-生產物探儀器,產品有地震勘探電法勘探放射性勘探測井勘探儀器地震檢波器等。Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too
本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。At the support of the national natural science fund ( high technique, new concept, new design research ) ( 59685003 ) " study of the integrated performance modeling and optimal design method of the mechanical structure system ", the support plan of the ministry of education for the young excellent teacher ( 1766 ) " study of the mixed soft computation of the mechanical structure based satisficing criterion ", sichuan century excellent young subject leader fund " study of the theory and method of the intelligent optimization of mechanical structure ", and the open project fund of the mechanical transmission state key lab " fuzzy reliability analysis and satisfactory optimization study of mechanical transmission ", the author has the opportunity to touch this new subject and is attracted by it, then make an attempt at it
在國家自然科學基金(高技術新概念新構思探索) ( 59685003 ) 「機械結構系統綜合性能映射建模及優化設計方法研究」 、教育部優秀青年教師資助計劃( 1766 ) 「基於令人滿意準則的機械結構系統混合軟計算研究」 、四川省跨世紀傑出青年學科帶頭人培養基金「機械結構系統智能優化原理方法研究」和機械傳動國家重點實驗室開放課題基金「機械傳動模糊可靠性分析與滿意優化設計研究」的資助下,作者有幸接觸這個新的研究方向,被它的風采所吸引,也嘗試做了一些微薄的努力。The methods of performance recovery by cleaning and disposal for au - si surface barrier detector that performance deteriorated and can ' t be used normally owing to be contaminated by radioactivity materiel, powder and oil, have been recommended
摘要介紹了金矽面壘探測器因放射性的污染或粉塵、油漬等污物的沾附,致使其性能變壞而無法正常使用時,通過清洗和一定的處置使其性能恢復的方法。In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods
對於野外數據採集採用多測線上放射狀布置檢波器;圍繞層析成像方法,文章分析了線性差值射線追蹤lti技術,推導出在矩形網格內速度以雙線性關系變化時方程組的解析式,進一步詳細探討方程組的求解方法,即最小平方正交分解法,並給出了迭代公式。The main products include electrical prospecting, seismic, logging, radioactive instruments, geophones and other associated accessories, part of those products are exported to canada, france and japan etc. these products are widely used in the coal and oil industries, engineering exploration, earthquake monitoring and underground water exploration. other products are numeric controlled equipment, telecommunication facitities, parts for cars and motors etc. cgif has been keeping in contact with many colleges and research institutes in china
目前擁有的產品: 「地震勘探儀器及地震傳感器檢波器「 「電法勘探儀器」 「測井勘探儀器」 「放射性勘探儀器」等四個門類各種類型的地專儀器,廣泛應用於地質找礦工程勘探地震監測尋找地下水等相關部門,並出口到日本加拿法國等,得到用戶的信任,取得了可靠的地質成果,為企業贏得了很高的聲譽。Abstract : on the basis of systematic synthesis, and study on the recent comprehensive geophysical - geochmical data, such as seismic, gravimetric, magnetic, electric, comprehensive logging, radiometric survey, this paper divides the second - order tectonic units of the basement of mezo - cenozoic sedimentary basins, the structure and basement lithology of sedimentary basims, and ascertains the sequential structre, occurrence depth, thickness and spatial distribution of the basin cover, and analyses the uranium source condition of the basement and provenance area, and the uranium content of cenozoic strata, as well as the mobilization and migration of uranium in cenozoic cover
文摘:本文全面系統地整理和分析研究了巴楚地區地震、重磁、電法、綜合測井、放射性測量等最新的綜合物化探資料,劃分出了該區中新生代沉積盆地基底的次級構造單元、盆地結構構造以及盆地基底巖性;查明了盆地蓋層的層序結構、埋深、厚度及空間展布;分析了蝕源區和基底巖性的鈾源條件和新生代地層的含鈾性及鈾的活化遷移規律。分享友人