等效劑量率 的英文怎麼說
中文拼音 [děngxiàojìliánglǜ]
等效劑量率
英文
equivalent dose rate- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 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
- 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定(法) dosimetry; health work; ...
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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,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。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劑等技術,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過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過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比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量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。Bullosa epidermolysis necrosis drug eruption is one type of most serious drup eruption and the mortality rate of the patients is high, in our department, 15 cases of patients with bullosa epidermolysis necrosis drug eruption were cured with the adjunctive therapy of high dose of intravenous immunoglobulin ( hdivig ) ; to these patients, earlier, timely and effective therapy and nursing measure such as intensive nursing of skin and mucosa, strict sterilization and isolation were very important
大皰表皮鬆解壞死型藥疹是最嚴重的藥疹之一,死亡率高,我科對15例大皰表皮鬆解型藥疹應用大劑量免疫球蛋白輔助治療全部治愈;對此類患者,早期及時而有效地治療和加強皮膚粘膜的護理以及嚴格的消毒隔離等護理措施至關重要。On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration
在hsfab的研究方面,通過兩種體系hsfab (即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系)的配方優化設計,使之具有良好的社會、經濟和環境效益;在高摻量工業廢渣的前提下,根據各種原料的特性,對其採用不同的活化技術,使其具有較高的活性;自研的外加劑f ,對hsfab製品的物理力學性能和耐久性能均有明顯的改善作用,尤其是對製品的乾燥收縮性能有顯著的抑制作用;通過對工藝參數的研究,結合實際生產普遍存在的問題,選取了hf - 1100系列全自動液壓墻體磚壓機,有效地解決了傳統制磚過程中常見的成型壓力低、生產效率低、產品合格率低(即「三低」現象)等問題。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。A single station turntable, vertically - split box horizontally - draw type core machine is suitable for mixed core sand which regard hot - firming resin as bond, can make quality core. and it has the merits or easy operation, high productivity, low labor strength, reliable operation, low energy consumption, low noise etc. it is a ideal lot core making equipment
單工位、垂直分盒水平脫芯型射芯機,適合熱固性樹脂為粘結劑的芯砂混和料,能獲得高質量的砂芯,並具有操作方便、生產效率高、勞動強度低、運行平穩可靠、耗能低、噪聲小等優點,是理想的熱法制芯設備。( 1 ) in chapter 5, palladiumphthalocyanine and palladium 4, 4 ', 4 ", 4 ' " - tetranitrophthalo - cyanine were synthesized according to condensation method with high yield and high product purity. the structures of products were characterized by element analysis and ir spectra
為此,分別考察了不同引發劑及用量對pvp甲殼糖接枝共聚物的反應性能、接枝分子量、接枝效率以及產物的基本性狀等的影響。1. capacity and discharge efficiency of polyacene capacitors were systematically studies and electrolyte is aqueous and aqueous solution a series of pristine sample were prepared by pyrolysis of phenol formaldehyde resin moulded with znc, this inorganic salt used together with the resin served not only as the pore - forming agent to form open pores, which grow into a three - dimensional network structure in the cured material, but also as the microstructure - controlling agent to form a loose structure dopable with bulky dopants such as bf4 and so on
首次系統地研究了聚並苯導電材料作為雙電層電容器的電極活性材料時,在水系和非水系電解質中的容量及庫侖效率。用化學方法合成可溶性酚醛樹脂,加入的zncl _ 2在聚並苯的制備過程中既是成孔劑,使在處理的材料中形成三維網狀微孔,同時它又是微孔控制劑,形成能被bf4 -等體積較大的摻雜劑所摻雜的疏鬆結構。Portable stored - pressure powder series extinguishers are effective extinguishing appliances, in which extinguishing gaent sodium bicarbonate and ammonium phosphate powder together with the driveng gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is fast and effective in extinguishing, light in weight, convenient and simple in operation, safe and reliable
手提式乾粉系列滅火器是一種輕便高效的滅火器材,它使用磷酸銨鹽和碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內,滅火時由氮氣驅動乾粉滅火劑噴射滅火,具有滅火速度快、重量輕、效率高、使用方便、靈活、安全、可靠等特點。8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants
研究表明,液料等離子噴塗制備的納米tio :顆粒平均粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph值、溶液溫度和電解質濃度對納米tio :顆粒的分散穩定性有很大的影響。Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated
以氬氣作為推進劑,在不同工況下進行點火實驗,測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數,得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數,分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響,為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one
研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。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,如利用表面活性劑提高植物修復效率時,應考慮其最佳使用量;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。Mapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress 、 yield stress and plastic viscosity. using multi - channel isothermal calorimeter together with non - contacting electrical resistivity device, traditional hydration heat testingl and electrical resistivity testing were connected. using temperature - sensitive of traditional hydration heat model and structure - sensitive of structure formation model, instantaneous formation condition of paste structure was described exactly
`採用多通道等溫量熱儀以及無電極電阻率測定儀,將傳統的水化熱測試與電阻率測試結合起來,運用水化熱的熱敏感性與結構形成的結構敏感性,更加真實地描述了水泥漿體初始結構的瞬時形成狀態;系統全面地研究了高效減水劑對水泥水化過程的調控作用;運用微觀測試方法,深入探討了高效減水劑對水泥水化過程的影響。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息According to the current problems such as low quantum efficiency. limited available sun energy spectrum range, and inefficient recovery, resulted from the practical using of photocatalysis, using the narrowband semiconductor cds ( eg = 2. 5ev ) to compound with tio2 seems to be an effective solution. since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two, which makes the photo induced electron and holes separate more easily
本文針對光催化技術應用中存在的tio _ 2光催化量子效率低,吸收利用太陽能光譜范圍有限,催化劑回收困難等問題,通過窄禁帶半導體cds ( e = 2 . 5ev )的復合,對納米tio _ 2進行了改性研究,一方面,由於cds的窄禁帶寬度可以擴展薄膜的光譜吸收范圍,另一方面,由於能帶的交疊,提高了光生電子和空穴的分離效率,從而提高了薄膜的光催化降解效率。Abstract : according to the decomposition failure mechanism of the boundary reaction film and the dynamics theory of the chemical reaction, the failure process of the boundary film is quantitatively described, and then the decomposition rate of reaction film is put forward, hereby the quantitative criteria - temperature, speed and activation energy criterion, for selecting the additives are determined
文摘:根據邊界反應膜分解失效機理和化學反應動力學理論,對邊界膜的失效過程作了定量數學描述,提出了反映膜分解率的概念,據此確定了添加劑的溫度、速度和活化能等三個定量選用準則Abstract : spraying chemical controlling matter ( drought - resistant agent ) on wheat blade in medium - late growth period. we found it influenced transpiration rate, water - retaining capacity, containing water content of dry weight, seeping conductive rate, chlorphyll content and so on in different degree, and improved the moisture content stage of wheat, reduced the seeping of electrolyte, have an obvious effect on delaying decrepit and increasing production
文摘:小麥生育中後期葉面噴施化學調控物質(抗旱劑) ,對蒸騰速率、保水力、干重含水量、外滲電導率和葉綠素含量等均有不同程度的影響,明顯地改善了小麥的水分狀況,降低了電解質的外滲率,有明顯的保綠延緩衰老的作用,增產效果顯著。The polishing technology of ccos is studied by a series of experiments. the effect of polishing process parameters on the removal efficiency and the stability of the removal function are studied, which include the polishing compound, the density of the polishing fluid, ph of the polishing fluid, the polishing velocity, the polishing pressure and so on. finally, a suit of effective process parameters are given and better experimental result are obtain
在大量工藝實驗的基礎上,揭示了拋光劑種類、拋光液的供給量、拋光液濃度、拋光液的酸度值( ph值) 、拋光速度、拋光壓力、拋光模材料、拋光模直徑及膠層厚度等對拋光效率和去除函數穩定性的影響規律;最後,總結了一套拋光工藝,利用該工藝進行的拋光精度收斂性實驗達到了較好的效果。Some key factors in design of kev radioactive ion beam facility are discussed. they are extension of primary ion beam line, target / ion source, selection of target materials, optical calculation of the radioactive ion beam system, measurement of weak radioactive ion beam and overall efficiency of the system
本文介紹了kev放射性核束裝置中幾個關鍵部分的設計和初步實驗結果,包括系統總體概況,初級束流線,靶源系統,靶材料選擇,系統光路,低能放射性弱束流的測量,放射性劑量及輻射防護,系統總體效率評估等。分享友人