通過劑量比 的英文怎麼說

中文拼音 [tōngguòliáng]
通過劑量比 英文
transit-dose ratio
  • : 通量詞(用於動作)
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 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
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 通過 : 1 (從一端到另一端) pass through; get past; traverse 2 (同意議案) adopt; pass; carry 3 (以人...
  • 量比 : fnc
  1. The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %

    結果表明,在實驗條件下,四種殺藻均具有一定的殺藻效果,藻類去除率均隨藥的增加而提高;原水藻類數影響殺藻殺藻效果,四種殺藻的藻類去除率均隨原水藻類數的增加而降低;殺藻效果、經濟性以及安全性等方面的綜合較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻的優劣程度從優到劣排序為:高錳酸鉀硫酸銅氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加為0 . 8mg l ,藻類去除率高於90 ,所需的藥費用僅為0 . 0068元m ~ 3 。
  2. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合程中的渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含;利用紅外光譜與差示掃描熱儀對產物分子結構進行了表徵,並對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  3. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰及外加對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合,同時發現發泡液和粉煤灰摻對發泡混凝土的影響最為顯著,因此,以二者為自變建立了二元線性回歸方程,全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻范圍。
  4. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中,首先採用特殊的改性工藝及外加實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質;其次,採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,採用復合外加、合適的膠凝材料及合理的配等措施確保該保溫材料具有良好的和易性,滿足施工的要求。
  5. Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5

    摘要用環烷酸鈷與氯化鋅復配的新型催化,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,正交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的) 1 : 1 . 15 ,鄰苯二酚:催化(質) 100 : 20 ,烷基化反應溫度100 5 。
  6. We have studied pharmacodynamics of valepotriates through observing its effects on the times of spontaneous motion in mice, the sleep time of sodium pentobarbital ( superthreshold doses ), sleep rate of sodium pentobarbital ( subthreshold doses ), the number of writhes induced by acetic acid and seizures rate of metrazol. the experiment results proved that valepotriates could significantly decrease the times of spontaneous motion, prolong the sleep time of sodium pentobarbital ( superthreshold doses ), enhance the sleep rate of sodium pentobarbital ( subthreshold doses ), reduce the number of writhes induced by acetic acid and reduce the seizures rate of metrazol, so it showed high central inhibition effect, thus offer scientific foundation for its further exploitation and utilization

    研究蜘蛛香中總纈草素對小鼠自發活動的影響、對戊巴妥鈉睡眠時間的影響、對戊巴妥鈉閾下的影響、對小鼠扭體反應的影響、對戊四氮誘發驚厥的影響發現:總顆草素能明顯抑制小鼠的自主活動,顯著延長戊巴妥鈉致小鼠睡眠時間,明顯提高閾下戊巴妥鈉小鼠入睡數,對抗戊四氮誘發的小鼠驚厥,顯示出較好的中樞抑制作用,為蜘蛛香的進一步研究開發提供了科學依據。
  7. Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively

    實驗發現:葉蠟石和白雲石最佳含為30 % ,與原結合,結合耐火度降低了55 ,平均熱膨脹系數降低了30 % ,磨具抗折強度提高了27 % ,磨具抗沖擊強度提高了22 % 。
  8. Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers

    摘要在環氧酚醛胺體系中使用端環氧基聚氨酯醚、聚硫橡膠、液體丁腈橡膠等活性增韌對固化物剪切強度、彎曲彈性模及斷裂強度的測試對,可以看出不同增韌效果不同。
  9. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定控制反應物的濃度及例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的子尺寸效應,適當的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  10. When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set

    當膠粘中填料為其它物質(未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合)時,拉伸剪切試驗確定膠粘中有機化蒙脫土含為5時,膠粘的拉伸剪切強度最高;同時進行了沖蝕磨損試驗,較得出,當膠粘塗層中有機化蒙脫土含達到5時,塗層的耐沖蝕磨損性能最佳,並對沖蝕磨損試樣在掃描電子顯微鏡( set )上進行觀察。
  11. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜(單浴法)在血液濾實際應用中的性能,本論文以j . a . van ' thof等提出的雙凝固浴法為基礎,以聚醚碸( pes )為主要成膜材料,以二甲基亞碸為溶,並添加一定分子的致孔( pvp ,聚乙烯吡咯烷酮)以及一定分子的添加( peg ,聚乙二醇)按照一定配在一定溫度下製成透明均一的鑄膜液,靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜,然後測試膜的結構和性能來評估其用於血液濾中的前景。
  12. This research regarded pp grafted mah as compatibilizer, took the method of masterbatch and use new technologies prepare into high relatively content masterbatch of ommt, finally, this kind of masterbatch and pp were mixing and melting together and pp / mmt nanocomposites were prepared through pairs of spiral pole, ( series pp - b ), meantime, pp / mmt nanocomposites without compatibilizer were compared to study ( series pp - a )

    本研究以pp接枝馬來酸酐為相容,採取母粒法,運用新型工藝制備出蒙脫土含較高的接枝母粒,然後將這種母粒與pp雙螺桿共混熔融擠出制備出pp蒙脫土納米復合材料( pp - b系列) ,同時較研究了不加相容的pp蒙脫土納米復合材料( pp - a系列) 。
  13. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ,其分子恢復到23kd ,證明xynba是糖基化蛋白。對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性、螯合不敏感。對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含分別為81 . 78和11 . 55 。
  14. By routine test and base experience, with contrastive method, the appropriate mix content and the effect to concrete strength of a kind of expansion agent were studied

    摘要常規實驗和基礎實驗,採用對的方法,研究了膨脹的適宜摻和對水泥砂漿強度的影響。
  15. The vesicant material is the most key factor for the performance of the 11th coating, and then, the next is based matrix. if the dosage of based matrix is definite, increasing the dosage of vesicant material, compound material or additive will improve the fire endurance of the produced material

    正交試驗較得出發泡材料對配方11耐火極限影響最大,其次是粘結;在粘結一定的條件下,增加發泡材料、復合填料及助,均可提高塗料的耐火極限。
  16. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普混凝土在施工環境及服役環境上存在的差異,因此表現為混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;對目前常用防凍組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加+防凍組分+高效減水+引氣+阻銹組分功能復合的技術路線,正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;對fd - 1組分和摻的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  17. The equilibrium working temperature of the gasifier and the composition of the outlet syngas ( short for synthesis gas ) at this temperature were calculated by solving the chemical equilibrium and the energy equilibrium equations. the analysis was used to study the effect of gasifying agent mixture ratio on the outlet syngas composition, the cold gas efficiency, the thermal efficiency and the exergy efficiency. the optimum o2 / coal ratio was found for a reasonable vapor / coal ratio ( the vapor / coal ratio had little effect on the efficiencies ) for various kinds of coal to maximum the thermal efficiency and the exergy efficiency

    化學平衡和熱平衡方法求解氣化爐平衡工作溫度以及該溫度下的出口煤氣成分,研究了氣化爐進口氣化對出口煤氣成分、冷煤氣效率、熱效率及火用效率的影響,指出熱效率、火用效率最優情況下適應于各煤種的最優氧煤以及合理的水蒸汽耗,為多聯產系統的設計優化提供參考。
  18. 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

    本文的研究,主要取得了如下的結果:首先,對不同的低能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較和分析,發現經不同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對照有不同程度的降低,降低關系與成正相關,其中80次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。
  19. Because the best grade limits does not vary with material property, firstly, we can confine material grade to the best grade limits when doing subbase mixture design, secondly, after systematic temperature contraction test, aridity contraction test and compressive strength correction test, we can determine the best cement percentage which has the best crack resistance property

    因為最佳級配范圍是與粒料的粒徑大小有關的,所以在基層材料配合設計時可首先將材料級配限制在最佳級配范圍以內,然後系統的溫縮、干縮性能試驗以及抗壓強度校核試驗,最終確定抗裂性較好的合理水泥
  20. ( 1 ) thermodynamic stable system : in this part, many experiments have been done in order to get the data of alcohols " soluble capacity in diesel fuel, the solubilizing power of some solubilizing agents, the effects of surfactants " hlb number and water on the mixture fuel stability

    ( 1 )柴油與醇形成熱力學上的穩定體系。本文實驗較了醇與柴油的相溶能力、多種助溶對柴油-醇的助溶效果、表面活性的hlb值對柴油-醇的增溶效果的影響以及水對這種熱力學上的穩定體系的影響。
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