有用密度范圍 的英文怎麼說

中文拼音 [yǒuyòngmìdùfànwéi]
有用密度范圍 英文
useful density range
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 密 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 范 : 名詞1 [書面語] （模子） pattern; mould; matrix 2 （模範; 榜樣） model; example 3 （范圍） boundar...
  • 圍 : Ⅰ動詞1 （四周攔擋起來 使裡外不通; 環繞） enclose; surround; corral 2 （繞; 裹） wrap Ⅱ名詞1 （四...
  • 有用 : useful; serviceable
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. Based on characteristics and connectivity of the groups in molecules, the group contribution method and topological method was combined together, a new method was developed which can be used to calculate the density of alkyne from molecular structure

    摘要根據分子中基團的特性和連接性，將基團貢獻法和拓撲方法結合在一起，發展了一種計算炔烴密度的新方法基團鍵貢獻法，該方法具有基團貢獻法適用范圍廣和拓撲方法計算結果準確可靠的特點。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. The range of densities of interest is about 3. 5.

    有用的密度范圍為35左右。
  4. The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method, 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0. 92, fe0. 08 ) sio3 with the average initial density 3. 05g / m3 from shock pressure 50 gpa to 115gpa, using two stage light gas gun

    本文研究取得的認識主要有以下幾點： （ 1 ）用阻抗匹配法和電探針技術在80 115gpa壓力范圍內對平均初始密度為3 . 05g / cm ~ 3的頑火輝石樣品進行了5發hugoniot狀態實驗測量。
  5. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  6. The method of the model retrieval breaks down the traditional population density statistics method according to the administrative area boundary and changes to evenly distributed and same size grid units to compute the population density. it enriches the methods to obtain the population density indexes and increases the accurate degree and application fields of the indexes. so, it will benefit to the decision process of the population and economic policy, benefit to the sustainable development of regions

    這種模型反演的方法，突破了傳統的按行政區界線統計人口密度的方法，改為按照均勻分佈、規則大小的格點單元來計算人口密度，豐富了獲取人口密度指標的方法，提高了人口密度指標的精確程度和應用范圍，將有利於人口、經濟政策的決策過程，有利於區域可持續發展。
  7. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。
  8. Second, it must follow the principle of maximizing cost effectiveness to choose models of medical security system and to set priority of the system. third, medical security should be combined with public health that focuses on health prevention to fully utilize limited health resources for the best results. fourth, the establishment and promotion of medical security system should be in consistent with development of economy and level of income as well as the state financial ability

    完善「一個制度」是指在堅持社會統籌和個人帳戶相結合的原則下，改革和完善現有的城鎮職工基本醫療保險制度，通過逐步擴大覆蓋范圍、合理調整繳費分擔比例、完善統籌基金支付政策、擴展個人帳戶使用范圍，將醫療保障制度與以預防保健為主的公共衛生服務體系緊密結合，逐步形成適應城鎮大多數人群的、多種形式的社會醫療保險制度。
  9. Goals of highway network planning, in terms of the total length of the highway network as well as the share of expressway and over class ii highways in the network, were analyzed in chapter two by using of network connection index and analogy methodology. the developing goals of shaanxi arterial highway network were proposed. in the third chapter, the overall arrangements for highway network were studied through the importance index of nodes and links

    通過與世界經濟發達國家的公路網密度和運輸結構、以及我國其它地區，特別是與陜西省相鄰省（區）的公路網發展水平相對比，根據我國經濟發展「三步走」的奮斗目標，採用連通度指標測算和類比的方法，按網連通度、公路網密度、人均公路網總里程和單位汽車保有量的公路網總里程指標分別進行測算，確定了陜西省的公路網發展目標?公路總里程、高速公路里程和二級以上公路佔有率的適當范圍。
  10. We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction

    二氧化硫熏氣染毒的體內實驗結果表明，在本次實驗的濃度范圍內（ 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度） ： （ 1 ）通過透射電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用，但通過透射電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變，引起型肺泡上皮細胞板層體空泡化，微絨毛減少，線粒體緻密化或腫脹變性；肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚，使氧氣彌散功能出現障礙，從而降低肺功能。
  11. In chapter 5, by number value simulation calculation and experiment of one simple support beam, we will compare the magnitude of the coupling static and dynamic stress at each point on the girder under harmonic excitation, and so find conclusions such as : ( 1 ) there are so much correlations between structure damage and environmental effect and exterior excitation leads dominant effects in structure damage that we should consider static and dynamic stress together. ( 2 ) new intension design rules should be set up, according which the range of structure possible damage position should be estimated in advance

    得到以下結論： （ 1 ）結構的破壞和環境的影響密不可分，外部激勵在結構破壞中發揮了重要的作用，應該將結構所受的靜力和動力一起考慮； （ 2 ）應該建立新的強度設計準則，並以此作為依據，對已知結構的可能損傷位置有預先的范圍估計，從而為損傷識別的準確定位提供理論依據。
  12. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究，得出的主要結論有：建築物震害預測是一個模糊的、系統的、復雜的問題，現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據，有其自身的優缺點和一定的適用范圍；應針對不同的建築物條件、場地條件、地震強度和已有經驗等，採用不同的預測方法進行建築物震害預測，以使預測結果達到預期的精確性、可靠性和可操作性；建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣，成為指導抗震防災的重要依據，各類結構的震害情況表現為： 6度地震作用下各類建築物基本完好； 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主； 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主； 9度地震作用下鋼筋混凝土結構以輕微破壞為主，單層工業廠房和空曠房屋以中等破壞為主，其餘建築以嚴重破壞為主；建築物的震害預測結果體現了未來地震來臨時的震害程度，在編制漳州市區抗震防災規劃時，對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固；由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分，重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增，漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度（ 7度）時，漳州市區直接經濟損失約4 . 5億元，無家可歸人員約40000人，且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關，地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  13. One is the direct way in which under the definition of the iopc convention, all the types of damage or losses are evaluated and summed up by means of appropriate mathematics methods according to their characteristics. the another is an indirect way in which the spill information and criteria of the accident ( such as oil amount, oil properties, spill location, spillet area, polluted coast land ) are compared with those of the previous oil pollution compensation cases by means of the fuzzy ranking method, and the damage and losses range of the accident can be obtained based on its similarity to the cases

    為此本文提出了間接評估法，即根據船舶油污事故之間所具有的類比性，以及產生損害程度與溢油種類、數量、油膜面積、受污海岸類型和長度等指標密切相關的特點，應用模糊優選排序原理，通過與歷史事故賠償案例的多指標綜合類比，在得到各案例對于「損害程度」的相對隸屬度值后，依據隸屬度的大小將待評估的樣本與其他歷史案例一起進行關于「損害程度」的排序，則可得出此次油污事故的損害程度大小及應賠償的上下限范圍。
  14. Based on the test results of dynamic consolidation for the foundation of actual project, the influence of dynamic consolidation on soil ? s density, compressibility, collapsibility and so on is analyzed, and the project effect of dynamic consolidation on collapsible loess foundation is approached. at the same time, the effective influence depth is researched. lastly, the common calculation formulus of influence depth at home and abroad are assessed, and the quantitative range of influence coefficient for loess area in the western region of guanzhong is given

    根據實際工程地基強夯處理的試驗資料，分析了強夯對土體密度、壓縮性、濕陷性等性質的影響，探討了強夯法處理濕陷性黃土地基的工程效果及有效影響深度，評價了目前國內外幾種常用的影響深度計算公式的適應性，提出了適用於關中西部黃土地區的影響系數及其定量取值范圍。
  15. Blue laser is very valuable for military, communication, high - density optical storage, information, colorful display of laser % colorful printing and biochemistry. for example, blue laser of 475nm can be used for seabed research and communication of submarine

    藍色激光器在軍事、通訊、信息業、彩色列印、高密度光存儲、激光顯示及生物化學方面有著重要的應用價值，比如說海水的透射窗口落在藍綠色激光范圍內，俗稱「海軍藍」的475nm藍色激光器可成為海地探測和對潛通信的有效手段。
  16. Ni - cd cylindrical cell has the properties of small internal resistance, long service life, resistant to over charge and discharge, low self discharge, wide operation temperature range ( - 20 + 40 ) and high reliability. they are suitable for high rate discharge and widely used in the fields of electrical tools, railway trains, lighting, fire prevention and military

    鎘鎳圓柱密封堿性蓄電池具有內阻小，使用壽命長，耐過充過放電，自放電小，使用溫度范圍寬（ - 20 + 40 ） 、可靠性高等特點，適用高倍率（大功率）放電使用，廣泛應用於電動工具、列尾電源、照明、消防、儀器儀表以及軍事領域。
  17. To accommodate more users with limited spectrum, the radius of new cellular will be much smaller, the factor of spectrum reuse will be more tight

    為了在有限頻譜范圍內滿足更多的用戶需要，通信系統的蜂窩半徑越來越小，頻率復用密度越來越高。
  18. From above analysis, the thesis gets conclusions as following : ( 1 ) the frequencies of multi - tower building are so dense and the coupling in each mode is so evident that the cqc method instead of srss should be used to calculate the seismic action effect ; ( 2 ) torsion effects is distinct between the modes of asymmetry multi - tower structure and it is necessary to take translation - torsion coupling into account ; ( 3 ) the effect of the enlarged base rigid on the seismic properties is very big, the rigid ratio of the enlarged base to towers in asymmetry multi - tower structure should be designed in a proper range ; ( 4 ) the distribution of plane rigid is asymmetry because of the asymmetry layout of towers. the torsion effects of structure not only result in large torsion internal force in vertical element resisting lateral displacement, but also make large influences on the stress of transfer plate and near floors, thus it is necessary to strengthen those floors

    通過上述分析，得出以下主要結論：多塔樓結構存在頻率密集現象，各振型間耦聯效應明顯，地震作用計算應採用cqc組合原則而不能簡單地採用srss組合原則；非對稱多塔結構的振型中，扭轉作用明顯，平扭耦聯效應值得考慮；裙樓剛度對整體結構的抗震性能影響很大，非對稱多塔結構宜控制裙樓與塔樓剛度比在適宜的范圍；非對稱多塔易導致平面剛度分佈不均勻，結構扭轉效應不僅在豎向抗側構件中引起較大的扭轉內力，對轉換層樓板應力有較大的影響，且延續至相鄰樓層，對相應樓層均應採取相應的加強措施。
  19. Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces

    表面結構的測量與特徵描述是精密計量技術的一個重要方面，傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許，以保證零件執行其指定的功能.當技術特性已經經過仔細確定，並且其過程穩定時，該方法是令人滿意的;但是，當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時，就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的
  20. The ways of " characteristic performance " in continental legal system ; 2. the way in british and american legal system, in which it is the judge who will weigh all the factors to find out the laws concerned to administrate that have the closest connection with the care ; 3. the way of combining the doctrine with a country " s sign in the light of 1986 " s # convention on the law applicable to contracts for the international sales of goods #

    文章首先分析了各國接受最密切聯系原則的程度和范圍的不同，指出各國運用最密切聯系原則的方式大致有三：一是大陸法系國家的「特徵性履行」方法；二是英美法系國家，由法官權衡各種相關連結因素，以找出與案件有最密切聯系法律的靈活方法；三是1986年《國際貨物買賣合同法律適用公約》所規定的將最密切聯系原則與固定標志結合運用的方法。
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