表面劑量率 的英文怎麼說

中文拼音 [biǎomiànliáng]
表面劑量率 英文
surface dose rate
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 率名詞(比值) rate; ratio; proportion
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定(法) dosimetry; health work; ...
  1. Having investigated composites of ep coating ultramicro iron using atpu as surface agent, results showed that with increasing amount of atpu, density, complex permittivity ( ) and complex permeability ( ) of composites decreased, and retentivity and coercivity increased

    用atpu作活性制備核殼結構復合粒子時,隨著復合時atpu用的增加,復合粒子的密度、復介電常數( )和復磁導( )逐漸減小,剩磁與矯頑力逐漸增大。
  2. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果明:母液循環可以提高堿式氯化鎂晶須的產;添加晶種可明顯的改善晶形;合適的添加可以降低晶體生長速度並可提高晶須的粒徑分佈;而同時加入不同用的晶種和pb ~ ( 2 + ) ,試驗結果明晶種含在0 . 075 , pb ~ ( 2 + )在20 50ppm時,晶須的產高,晶形好;活性對產品的分散性能有所改進。
  3. In this article, the bellcore method was used to prepare polymer electrolyte membrane based on pvdf - hfp, and polymer electrolyte membranes under different conditions were prepared by changing sorts of solvents 、 ratio of dbp and solvent. effects of ratio of plasticizer and solvent on the liquid uptake 、 sem 、 mechanism capability 、 ionic conductivity 、 electrochemical stability window of polymer electrolyte membrane were also studied. through optimizing the preparation technics, the integrated effects of additives such as pc 、 ec 、 dbp and nanophase al2o3 on the ionic conductivity 、 liquid uptake were studied

    本文以聚偏氟乙烯-六氟丙烯共聚物pvdf - hfp為基質,採用bellcore制膜法制備了pvdf - hfp聚合物電解質膜,通過改變增塑dbp的含、溶的種類及溶的含制備了不同條件下的聚合物電解質膜,分別研究了增塑、溶等對聚合物電解質膜的吸液形貌、機械性能、離子電導、電化學穩定窗口等的影響;對制備工藝進行了優化,研究了各種添加如pc 、 ec 、 dbp及納米al2o3對聚合物電解質膜的離子電導、吸液等性能的綜合影響。
  4. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果明:所選原料的尺寸、形狀及純度可滿足固體潤滑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損也是三者中最大的;同時,固體潤滑試樣在空氣冷卻時的磨損也是三者中最大的:不論是固體潤滑與45 #鋼軸配副或是固體潤滑鑲嵌入銅套后與gcr15鋼軸配副,在金屬均可形成潤滑轉移膜,從而減少金屬摩擦副間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少聚四氟乙烯、 moo 。
  5. Monodispersed particles may be synthesized by thermal decomposing iron pentacarbonyl in liquid phase containing lauryl - phosphate mono - ester as the surfactant. with increasing dosage of the surfactant, the grain size of the particles decreases, as a result, the permittivity decreases and the permeability increases. the minimal permittivity and the maximal permeability occur at the diameter of about 39 nm

    以十二烷基磷酸酯為活性在液相中熱分解五羰基鐵制備了單分散的- fe納米粒子,發現隨活性增迦納米粒子粒徑減小,粒子介電常數下降,磁導上升;粒子介電常數和磁導在粒徑為39nm左右分別出現最小值和最大值。
  6. 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)作為原水的特性徵參數, dc值可以同時反映顆粒濃度和比積因素的影響,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投藥公式: 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。
  7. The liquid uptake of polymer electrolyte membrane first increase, then remaining the same as the increasing of ratio of solvents. mechanism capability and ionic conductivity fist increase then decrease during the process, but it changed not much in total. through the test of sem it can be found that the structure of membrane changed little during the process

    在增塑及聚合物基質含一定的條件下,隨溶的增大,聚合物膜的吸液先增大后基本保持不變,機械強度及離子電導則先增大后減小,通過sem測試可知,膜的形貌無明顯變化。
  8. The survey team conducts surveys along pre - designated survey routes in the northeast part of the new territories. it measures ambient gamma dose rates, surface activity concentrations of beta emitters at ground surface and in - situ gamma spectrum of land soil

    流動巡測隊會沿新界東北部預先選定的測路線,在不同位置度環境伽馬輻射、地的貝他放射體的活度濃度和原位置土壤的伽馬能譜,以及收集大氣飄塵、放射性碘、擦拭及其他環境樣本。
  9. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適改性,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比積大,孔隙大的特性.用於水處理中,具有性狀好,截污能力強,過濾水頭損失小,反沖洗耗水低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產,提高出水質,節省藥和能耗的新型高效過濾材料
  10. Have different derived intervention levels, which can be in the form of external gamma dose rate, time integral of radionuclide concentration in air, ground deposition of radionuclides and concentration of radionuclides in foodstuffs or drinking water

    有其相應的導出干預水平,分別可以示為外照射空氣中放射性核素的積分活度濃度放射性核素在地的沉積密度及放射性核素在食水和食物中的活度濃度。
  11. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究明, uhmwpe纖維經電子束輻照處理后,纖維的拉伸斷裂強度隨的增加呈下降趨勢,凝膠含隨著的變化存在極值。纖維出現了不規則的微裂紋和凹痕,隨著的增大,電子束對纖維的刻蝕程度增加,在本研究中以為400kgy為8 . 5kgy s時刻蝕效應最為明顯。同時,在空氣中進行輻照時,纖維被引入了一些含氧基團,包括羥基、羰基和羧基。
  12. The reaction kinetics of the sorbent with so2 was well described by the surface coverage model, which assumes that the sulfation rate is controlled by the chemical reaction on the sorbent grain surface and takes into account the surface covered by the product

    吸收與二氧化硫的反應可用覆蓋模式很好地描述;該模式假設吸收晶粒之化學反應為速控制步驟,並且考被產物覆蓋的積。
  13. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子在500 - 3000范圍內,投增大時可吸附部分分子大於6000的有機物4 )中試實驗明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其的酸性官能團大增強,極性增加;經20的過氧化氫改性的活性炭在增大混凝投加( fecl _ 3投為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。
  14. 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基碳氮薄膜的生長模式;在金剛石研磨和催化fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料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
  15. The results were as follows : ( l ) the pre - incubation of pmr induced the exocytosis of the cortical granules ( cgs ) in the oocytes and reduced the quantity of the microvillus on the surface of oocytes ; ( 2 ) the matrix of cg might migrate to the surface of plasma membrane of oocytes after pmr pre - treatment. ( 3 ) incubation of zona - free hamster eggs with spermatozoa pretreated with pmr a ntiserum was associated with a dose - dependent significant reduction in the number of spermatozoa binding to the oolemma, compared with a contraband with a dose - dependent reduction of the fertilization rate and the penetration index. the results indicate that mr of human sperm plays an important role in sperm - oocyte fusion and oocyte activation

    結果顯示: ( 1 )人精子mr能夠誘發去透明帶金黃地鼠卵母細胞中皮質顆粒的胞吐,並引起卵母細胞膜微絨毛形態和數發生改變; ( 2 )皮質顆粒胞吐后,其內容物可結合到卵膜; ( 3 )抗mr抗血清預處理精子可抑制精子與卵子的結合與融合,使受精、穿透指數和結合指數下降,並均有依賴性。以上結果提示,人精子mr在受精過程中起重要作用,其主要作用可能是介導精-卵膜融合併促進卵母細胞的活化。
  16. The content of styrene was found to be dependent on the investigated grafting conditions, of which the dose rate and monomer concentration were the major conditions, and the dependence of the initial rate of grafting on the dose rate and the monomer concentration was found to be of 0. 4286 and 1. 1662 orders, respectively. the results indicate that the grafting reaction is competitive and the copolymerization and the graft - copolymerization are existing at the same time. the grafting proceeds by the so - called front mechanism in which the grafting starts at the surface of the films and moves toward the middle of the film by successive diffusion of the styrene through the grafted layers

    我們對輻射接枝反應中的各個因素如:單體濃度、輻射、輻射以及反應時間進行了研究分析,結果明:單體濃度和是反應的兩個主要影響因素,它們對反應速的影響指數分別為1 . 1662和0 . 4269 ;反應的動力學方程為: rg k [ d ] ~ ( 0 . 4269 ) [ m ] ~ ( 1 . 1662 ) ;認為接枝反應是一競爭反應,單體的均聚反應和在聚合物上的接枝反應同時存在,單體濃度的高低決定著競爭反應的方向;輻射接枝反應是從聚合物開始的,隨著溶的溶脹和單體的擴散最後在整個膜體中形成接枝產物。
  17. In this paper, bioremediation technology of contaminated soil with organic pollutants was summarized, which were technologies of the microorganism remediation, the phytoremediation and the mycorrhiza remediation for contaminated soil, the future developments of these bioremidation technologies were prospected as follows : when the efficient surfactants was used to enhance phytoremediation systems, its optimum doses should be considered ; studying on the important role of the rhizosphere exudates in the phytoremediation, seeking the best matching partners between plant and microorganism and the best mycorrhizal funguses to improve pollution degradation

    摘要綜述了有機污染土壤生物修復的三種技術,即微生物修復技術、植物修復技術、菌根生物修復技術及其研究現狀,並展望了這三種生物修復技術今後的研究方向,如利用活性提高植物修復效時,應考慮其最佳使用;加強研究根分泌物在植物修復土壤污染中的作用;進行植物微生物聯合體篩選技術研究;篩選促進污染物降解的優良菌根菌種等。
  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

    研究從造孔選用和燒結過程對顆粒的孔隙、機械強度、孔徑分佈及粒度分佈的影響入手,找出了造孔的種類及含、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、比大的多孔玻璃載體顆粒。
  19. It was proofed to be an effective and practical method

    活性的定測定明,回收可達99 % 2 %
  20. Polydispersed a - fe nanoparticles have been obtained by using bi - amine terminated polyurethane flexible macromolecule as a surfactant, and on the basis of them, the epoxy - iron nanocomposite particles have been synthesized by in situ polymerization compositing technology. the real parts of both the permittivity and the permeability of the nanocomposite decrease firstly and then increse with increasing dose of surfactant. the composite particles have ideal comprehensive properties at the dosage of the sufactactant of 0. 5 g, and its frequency dispersion exceeds that of traditional micrometer carbonyl iron powders

    以雙端氨基柔性大分子為活性制備了多分散的- fe粒子,並在此基礎上以原位聚合復合法制備了環氧樹脂-鐵納米復合粒子,發現隨活性增加,復合粒子介電常數實部和磁導先降低后增加,在活性為0 . 5g時復合粒子有較好的綜合性能,頻散特性優于傳統微米羰基鐵吸收
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