相對劑量率 的英文怎麼說

中文拼音 [xiāngduìjìliánglǜ]
相對劑量率 英文
relative dose rate
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  • 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定（法） dosimetry; health work; ...
  1. Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b. et br. ) sacc., shiraia bambusicola p. henn and culture substance of ascomycetes hypocreacae ( fr ) tul. sp. were determined with spectrophotometric methods. the relative extraction efficiency were studied when ethanol, acetone and chloroform were used as solvents. among them acetone was the best one

    文摘:用分光光度法測定了竹紅菌、竹黃和菌寄生菌培養物中?醌類化合物的總量；同時研究了以無水乙醇、丙酮和氯仿為溶劑提取?醌類化合物的相對效率，結果發現以丙酮為溶劑最合適。
  2. It was found that the rate of algae removal by any one of three algaecides for luan - he river water was higher than that for huanghe river water, in the condition of the same medicamental dose and algae density

    結果表明，在兩種水源水藻類數量相差不大，殺藻劑投量相同的情況下，三種殺藻劑對引灤水的藻類去除率均高於引黃水。
  3. In practical uses, the major performances of concrete are associated with the quantities, types and the service conditions of the expansion - admixture. the expansion admixtures of concrete available at present still have many shortcomings, such as the greater quantities required, the non - relevance between developments of concrete strength and durability and expanding speeds of expansion admixture, the evaluation of expanding effects, the def of aft etc. unfortunately, few achievements in these aspects have been obtained all over the world

    在實際使用中，膨脹劑類型、摻量及其使用條件對混凝土的主要性能影響很大，現有的膨脹劑存在著實際摻量較大、混凝土強度及耐久性發展與膨脹劑的膨脹速率不協調、膨脹效能如何評價、鈣礬石aft相延遲性反應（ def ）等一系列問題，而目前國內外這方面的研究成果較少。
  4. In this research, we obtained the results as follows : firstly, the germination vigor of m0, m, and m2 seeds irradiated by the different doses of low - energy n * were compared and analyzed in our experiments. the results showed that the germination and seedling formation rates of the treated seeds and their offspring seeds were lower than that of the control and the rates decreased with the implantation dose intensification. furthermore, the germination and seedling formation rates of the seeds treated with the dose of sox 1015n7cm2 were only 7

    通過本文的研究，主要取得了如下的結果：首先，對不同劑量的低能n ~ +處理的擬南芥的m _ 0代、 m _ 1代和m _ 2代種子的萌發力進行了比較和分析，發現經不同劑量的低能離子處理的擬南芥的當代和後代的種子的發芽率和成苗率都比對照有不同程度的降低，降低關系與劑量成正相關，其中80次劑量處理的當代種子的發芽率和成苗率僅為對照的7 . 81和58 . 82 ，這表明低能離子注入可以引起種子的萌發力的下降。
  5. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  6. For ikgy and lokgy dosimeters, the fading rate is about 1 % for one year after being stored in low temperature and low relative humidity ( rh < 60 % )

    經輻照了1kgy和10kgy的劑量計，在低溫、相對濕度小於60的條件下保存一年，年衰退率約1 。
  7. Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au

    等因素對萃取率的影響，並研究了有機相的連續萃取有機相金含量與水含量的關系。結果表明，助溶劑體積比10 %以上時，十四烷基二甲基芐基氯化銨對金具有萃取能力強，平衡時間短的特點。季銨鹽陽離子與au cn
  8. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  9. Gives a procedure for predicting the freezing probability under nonlinear cooling conditions and by combining that with the simulation model of rectangular containers, obtains quantitative results of the impacts of the additive on ice storage

    給出了非勻速冷卻條件下結冰概率的計算方法，並將其與板單元蓄冰裝置的數學模型相結合進行數值求解，定量地預測了加入成核添加劑對蓄冰過程的影響。
  10. Based on above, the characteristics of hydration hardening process and microstructure of hsc as well as the interfacial layer between cement paste and coarse aggregate are investigated under low water cement ratio, high content superplasticiser and with one kind or more than one kind of mineral materials condition, the reaction mechanisms of different mineral materials are also discussed

    研究了不同水膠比、復合緩凝成分高效減水劑及礦物摻合料的摻加方式、摻量對高強混凝土水泥漿體水化放熱過程和水泥漿體的水化熱、水化放熱速率以及最高溫升的影響規律。探明了高強混凝土中水泥漿體的水化硬化過程、礦物摻合料之間的相互作用機理。
  11. Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively

    結果表明：添加劑為納米coo的電極的活化性能最好，納米coo相對于普通coo能更加均勻的分佈在鎳電極內，也更易溶解、反應生成coooh導電網路，從而加快了鎳電極的活化進程；添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量，納米添加劑能有效提高鎳正極活性物質的放電效率和利用率；納米添加劑可以有效地提高鎳正極片的容量密度，其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ，質量容量密度達到224mah g ；添加cnts的極片體積容量密度達到778mah cm ~ 3 ，質量容量密度達到223mah g 。
  12. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究
  13. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳遞理論為基礎，按照卡門的三層模型，通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定，計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度，渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數，探討了高分子減阻劑對非牛頓流體流動特性的影響，對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。
  14. ( 2 ) effects on mouse spleen of so2 challenge : we found significant apoptotic changes of mouse spleen through tem observation and dna electrophoresis analysis and flow cytometric analysis. we found condensed, marginating, half - moon like apoptotic lymphocytes both in white pulp and red pulp ; we found significant dna degradation with dna ladders from the dna electrophoresis analysis in the 168 mg / m3 so2 treated group ; we also found marked increase of apoptotic rate between 168 mg / m3 so2 treated group and control group from the flow cytometric analysis

    （ 2 ）二氧化硫吸入可引起小鼠脾臟細胞出現明顯的凋亡改變，紅髓區和白髓區淋巴細胞出現核固縮，染色質凝聚、邊集； dna凝膠電泳分析發現168mg m ~ 3二氧化硫染毒組出現典型的dna梯形條帶；流式細胞分析也發現高劑量染毒組的小鼠脾細胞凋亡率增加，並且與對照組相比有顯著性差異， p 0 . 05 。
  15. We make a theoretical analysis of the experimental results and draw some conclusions as follows : the saturated temperature r290 - oil mixture is higher than that of pure r290 at a same pressure. the temperature difference, which is called superheat temperature of refrigerant - oil mixtures, increases as the oil concentration and the vapor quality are increased at a certain saturated pressure and pressure has negligible effect on the superheat temperature of the mixture. ( oil concentration is 0. 43 ? - 5. 28 ? )

    並根據實驗結果進行理論計算，得出以下結論：天然製冷劑r290含油混合物的飽和溫度高於相同壓力下純工質的飽和溫度，這個溫度差，也就是本文中提到的所謂製冷劑含油混合物的過熱溫度隨混合物質量含氣率、含油濃度的增加而增加，而飽和壓力對過熱溫度的影響不大（含油率0 . 43 ? - 5 . 28 ? ） 。
  16. The conclusions reached are as follows : 1. the saturated temperature of refrigerant - oil mixture is higher than that of pure refrigerant at a same pressure. the temperature difference, which is called superheat temperature of refrigerant - oil mixture, increases as the oil concentration and the vapor quality are increased at a certain saturated pressure and pressure has negligible effect on the superheat temperature of the mixture

    得出以下結論： 1 、相同壓力下，製冷劑hc600a含油混合物的飽和溫度高於純工質的飽和溫度，這個溫度差，在就是文中稱為的製冷劑含油混合物的過熱溫度，它隨混合物質量含汽率、含油濃度的增加而增加，而飽和壓力對過熱溫度的影響不大。
  17. The conclusions reached are as follows : ( 1 ) the saturated temperature of refrigerant - oil mixture is higher than that of pure refrigerant at a same pressure. the temperature difference, which is called superheat temperature of refrigerant - oil mixture, increases as the oil concentration and the vapor quality are increased at a certain saturated pressure and pressure has negligible effect on the superheat temperature of the mixture

    得出以下結論： （ 1 ）製冷劑hc290含油混合物的飽和溫度高於相同壓力下純工質的飽和溫度，這個溫度差，也就是文中所謂的製冷劑含油混合物的過熱溫度隨混合物質量含汽率、含油濃度的增加而增加，而飽和壓力對過熱溫度的影響不大。
  18. Beginning with the analysis of the effects, which are brought by the application of only one kind of pore - former and some other operating factors ( such as sintering temperature, warmth retaining time and so on ), on the properties of the beads, e. g., porosity, strength, size distribution of the beads and pores size, etc., these effects are discussed in detail and the relationship between the factors is studied thoroughly. the use of mpf ( multi - pore - former ) is introduced for the first time, which is of the most importance and significance in this paper

    研究從造孔劑選用和燒結過程對顆粒的孔隙率、機械強度、孔徑分佈及粒度分佈的影響入手，找出了造孔劑的種類及含量、燒結溫度以及保溫時間等因素對最終所得產品顆粒的性能影響及它們之間的相互關系，並首次提出將造孔劑復配使用來對填充法加以改進，無需擴孔處理，即能直接制備宏孔徑、高強度、小粒度、比表面大的多孔玻璃載體顆粒。
  19. The researchers beliee that, although refill compliance and persistence were similar for all three agents, twice - daily dosing of metoprolol in most patients, with possible acute withdrawal resulting from missed doses, may at least partly explain their findings

    對研究對象的中位隨訪時間為15個月以上，在調整了包括代表目前使用藥物和劑量的時間相依性變量、年齡、性別、充血性心力衰竭和其他並存疾病等變量后，醋丁洛爾和阿替洛爾組的死亡率明顯低於美托洛爾組，危險比分別是0 . 71和0 . 79 。
  20. Five days later, in the e. coli group the survival rate of high dose group was 87. 5 % compared with 12. 5 % of the control ( p < 0. 05 )

    5 ，與對照組（存活率12 ）相比p叩刀5 ：金黃色葡萄球菌組小鼠存活率低劑量組為87
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