什么叫定溶英语怎么翻译呢？急！！！！！求救

雅儿轻 2009-09-02 05:10:53 551 浏览

什么叫定溶英语怎么翻译呢？

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往事如梦147 2009-09-03 00:00:00

这是一种通过滴定确定其溶液内某种物质含量的方法，又叫溶液标定。定溶与定容不同。定溶的英文：standardization of solution

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好心情的朋友 2009-09-03 00:00:00

Fixed soluble

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坠天使乔 2009-09-03 00:00:00

1. 碘离子;铜的测定;阳极溶出伏定法; 2. 盐酸非索非那定片;溶出度测定;平均回收率; 3. 方法各种方法洗涤后，用聚酰胺薄层色谱法、EDTA滴定法、酸不溶性灰分测定和定氮法对搀假物进行定性定量分析。

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elephantcule 2009-09-03 00:00:00

1. 碘离子;铜的测定;阳极溶出伏定法; 2. 盐酸非索非那定片;溶出度测定;平均回收率; 3. 方法各种方法洗涤后，用聚酰胺薄层色谱法、EDTA滴定法、酸不溶性灰分测定和定氮法对搀假物进行定性定量分析。 Certainly dissoive

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什么叫定溶英语怎么翻译呢？急！！！！！求救: 什么叫定溶英语怎么翻译呢？

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英语课文翻译: Ifyouhadtochoosethesinglemostimportantdiscoveryofthe20thcentury，youwouldhavearealdilemmaonyourhands.Injust100years，theworldchangedcompletely.Amazingdiscoveriesweremadeinm... If you had to choose the single most important discovery of the 20th century， you would have a real dilemma on your hands. In just 100 years， the world changed completely. Amazing discoveries were made in medicine， communications and transport， not to mention our knowledge of the world and space . Medical advances ranged from discovering the causes of diseased under microscopes to surgical procedures replacing diseased organs with donated ones.Communications changed with the introduction of mobile phones and the way we correspond went from writing letters to emailing. We started flying around the world and meanwhile， scientists figured out how to spilt the atom， previously thought to be the smallest particle of matter in the universe. Although it is impossible to choose the most important discovery， it is possible to single out a few pioneers of the 20th century.Here are five of them. 展开

急！急！急！急！速度求救，活塞杆的设计工艺: 谁懂的，告诉我一下大致的整体思路说一下，一些需要的机床，需要的刀具，夹具，等等一些请告诉我一下，我是新手，财富值不多，10点而已，但我是真的需要这个问题，请哪个高手指点一下，我都给了。谢谢了！

帮忙翻译一段英语: Plant material and culture conditions have been described (7). Briefly， a diploid tissue culture line， WOO1C， of wild carrot， Daucus carota L.， was maintained in Murashige and Skoog medium supplemented with 0.1 mg of 2，4-dichlorophenoxy... Plant material and culture conditions have been described (7). Briefly， a diploid tissue culture line， WOO1C， of wild carrot， Daucus carota L.， was maintained in Murashige and Skoog medium supplemented with 0.1 mg of 2，4-dichlorophenoxyacetic acid (2，4-D). To regenerate plants from the culture， callus tissue was transferred to the same medium devoid of 2，4-D (embryogenic medium). All experiments were performed with cultures grown in liquid medium. For convenience， cultures grown in 2，4-D-containing medium are referred to as "callus cultures"， and those grown in medium without 2，4-D as "embryo cultures." The growth of callus cultures was measured by the sidearmturbidity method (7). The number of cells at any time point of growth was estimated from turbidity in a Klett-Summerson calorimeter and was expressed in arbitrary units. For example， Klett 100 corresponds to ="2 X 106 cells per ml. The relationship is linear up to Klett 150 in our Klett-Summerson colorimeter. Suspension cultures ofWOOLC cell line are normally maintained at cell densities between 106 and 107 cells per ml in 0.1 mg of 2，4-D per liter (high-density culture) in shake flasks. During a quantitative study on embryogenesis， we found that maximal embryo production can be achieved by first incubating the culture at high density in medium without 2，4-D for one generation time and then diluting it to 2-3 x 104 cells per ml (low-density culture). To compare cultures of comparable density， callus cultures and embryo cultures were subjected to the same procedure. To initiate low-density embryo or callus cultures， an 8-day-old high-density culture grown at the logarithmic phase was washed three times with fresh callus or embryogenic medium and resuspended at 8 x 105 cells per ml for one generation (3 days) in its corresponding medium. It was then diluted to 2 x 104 cells per ml; 20 ml of the culture was incubated in a plastic Petri dish (9 cm in diameter) at 240C. The morphogenetic events of the cultures were examined and photographed under a dissecting microscope. 请不要用google的那个，我看不懂~~ 展开

英语请人工翻译，: DARPA has been at the forefront of the aggressive FCS initiative. We are conducting demonstrations of advanced prototypes， including unmanned ground reconnaissance and attack platforms; low-cost tactical precision munitions; small UAVs t... DARPA has been at the forefront of the aggressive FCS initiative. We are conducting demonstrations of advanced prototypes， including unmanned ground reconnaissance and attack platforms; low-cost tactical precision munitions; small UAVs that support operations in urban and mountainous environments; and sensors that can detect vehicles camouflaged under dense foliage. A Defense Acquisition Board scheduled for May could allow FCS to enter System Development and Demonstration under Army management this year. This will enable the Army to field an FCS Unit for operational testing in FY 2008， with the first Unit of Action ready for operational deployment by 2010. DARPA is also conducting three unmanned air combatant programs: the Unmanned Combat Air Vehicle (UCAV) with the Air Force， UCAV-N with the Page 5 of 14 Navy， and the Unmanned Combat Armed Rotorcraft program with the Army. These aircraft will be teamed with manned systems on the ground and in the air to transform how the Air Force suppresses enemy air defenses， how the Navy suppresses enemy air defenses and conducts extended surveillance， and how the Army conducts armed reconnaissance and attack. 展开

急求英语达人帮忙翻译段文章，在线等谢谢: The incorporation of silicon from the quartz-made growth chamber， characteristic of NIRIM-type reactor is insignificant in our samples， if any. The peak at 1.681 eV from the Si–V defect is totally absent from our films (not shown here)， wh... The incorporation of silicon from the quartz-made growth chamber， characteristic of NIRIM-type reactor is insignificant in our samples， if any. The peak at 1.681 eV from the Si–V defect is totally absent from our films (not shown here)， which supports the good quality of these films. The improvement of the crystalline quality of {111} films is explained by the weak ion bombardment of the sample during its growth outside the plasma ball. Raman measurements (not shown in this work) have also confirmed the high crystalline quality of our films， in particular in the low doping range. Very high boron concentrations (up to 5×1021 cm−3) have been reached at this growth position， outside the plasma ball. 展开

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原因是:我还太年轻用英语怎么翻译:

简述什么是LABVIEW及其功能。急啊。。。求救: 选修的不会？... 选修的不会？展开

定容用英语怎么说是化学上的容量瓶定容:

请问各位英语高手，对开多叶调节阀英语怎么翻译啊?:

环境英语文献翻译急用: Thereisagrowinginterestindeterminingmercury(Hg)levelsinthemarineenvironmentaswellasinfishforhumanconsumption.Methylmercury(MeHg)inparticularisthemosttoxicandbioaccumulati... There is a growing interest in determining mercury(Hg) levels in the marine environment as well as in fish for human consumption. Methyl mercury(Me Hg)in particular is the most toxic and bioaccumulative form of mercury in food webs and it is the predominant chemical form making up 80%-90% of the total mercury present in fish muscle tissue.Hence，fish and other organisms at the end of the food chain constitute the major source of MeHg in the human . As outcome of this risk，MeHg has been classically monitored in fish， and methodologies for mercury speciaion have increased significantly since the early 1990s. Currently， microwave-assisted extraction (MAE) has provided an efficient alternative strategy to conventional techniques for solvent extraction of a large amount of organometals compounds.The analytical techniques most frequently applied for Hg speciation analysis involve GC(GasChromatography) ， GC-CICP-MS(Gas Chromatography -CInductively Coupled Plasma Mass Spectrometry) supercritical fluids chromatography (SFC)，ion chromatograph(IC)， HPLC-CCVAAS(High Performance Liqui Chromatography-Cold Vapor Atomic Absorption Spectrometry) or ICP-MS systems .Several authors recommended a back-extraction of mercury species from organic solvents to cysteine or sodium thiosulphate aqueous solutions .Because MeHg is the most common organomercury compound in biological materials ，here we offer a new simple and cost-effective method to determine MeHg. Basically， this method combines the microwave assisted extraction followed by clean-up with cysteine acetate solution and MeHg quantification by a direct mercury analyzer (DMA). 展开

英语高手帮忙翻译一下: ThequalitysystemofthecompanyisinconformitywithISO9002.Makingcomprehensiveuseofbiotechnology，thecompanyspecializesinmanufacturingandsellingC-4seriesorganicacidsandchiralpr... The quality system of the company is in conformity with ISO 9002 . Making comprehensive use ofbiotechnology， the company specializes in manufacturing and selling C-4series organic acids and chiral products. These products are widely used in many fields such as food， phamaceutical and chemical industries， and are well accepted by the overseas markets. The man products are L-Malic acid ， DL-Malic acid， L(+)-Tartaric acid ， Fumaric acid， Maleic acid and other organic acids. Annual productivity amounts to 20，000 tones. The company has become an important manufacturer of C-4 series organic acids in the world . All the products of the company have respectively met the different international aadvanced standards such as Food chemicals Codex， U.S. Pharmacopoeia ，British Pharmacopoeia and the products have obtained Star-K Kosher certificate. Above 70% of the Companys products are exported to Japan， Europe， Australias， the United states and middle East ， and they are renown and well recognized in the international markets. The company will devote itself to research and development of enzyme technology and organic electrochemistry. It will continuously introduce new food additives， chiral pharmaceutical intermediates， chiral auxiliaries and chiral drugs. Depending on superior quality， good service and high reputation， the company is willing to establish a long-term mutually beneficial business partnership with overseas customers and continue contribute to the happy life of humans. 展开

射频电容液位计英语怎么翻译？除了用翻译器翻译的Rf capacitor applications:

哪位英语高手帮帮忙，翻译英语文章！谢谢1: 英语高手，谢谢了！ThecatalystsupportwasimpregnatedwithacetonesolutionofRuCl3.nH2Ouptorutheniumcontentof4w%，understirringfor6h.Afterconcentrationinarotaryevaporator，theobt... 英语高手，谢谢了！ The catalyst support was impregnated with acetone solution of RuCl3.nH2O up to ruthenium content of 4 w%， under stirring for 6 h. After concentration in a rotary evaporator， the obtained material was dried in air at 383 K overnight and subjected to preliminary reduction with a 1N2/3H2 stream at 698 K， and then cooled in 1N2/3H2 atmosphere. The potassium promoter was introduced by incipient wet impregnation with KNO3 solution at room temperature with molar ratio of K+ /Ru = 5/1. After stirring for 6 h and infusing for 24 h， the samples were dried in a rotary evaporator at 343K and then dried in the air at 383K for 12 h. The ammonia synthesis activities of the catalysts with about 35-60 meshes were evaluated by 1N2/3H2 flow of 2100 mL/h at 0.2 MPa from 623 K to 773 K. The amount of effluent ammonia was determined by titration method. As we can see from the Table 1， under the same reaction conditions， the catalyst K-Ru/Mg(Al)O exhibited the highest activity， 38.42 mL NH3•h-1•g-1 at 673K， 3 times more active than K-Ru/MgO， 12.88 mL NH3•h-1•g-1 at 748K. This means that selection of supports takes great effects on the activity of catalysts. The ammonia synthesis activity of different supports are K-Ru/Mg(Al)O > K-Ru/Mg-Al-Ca(1) > K-Ru/Mg-Al-Ca(2) > K-Ru/Al2O3 > K-Ru/CaO > K-Ru/MgO. The combinatorial supports showed higher activity than single supports. However， the sequence of temperature corresponding to the highest activity is just opposite to that of the activity. The optimal temperature for K-Ru/Mg(Al)O， 673K， is the lowest of all， on the contrary， that of K-Ru/MgO is the highest， 748K. The Mg(Al)O has a larger surface area of 140.95 m2•g-1 ， similar to γ-Al2O3， 110-180 m2•g-1 . The other two combinational supports have little surface areas but higher activities than Al2O3. It suggested that the activity of the catalyst is influenced not only by the dispersion of Ru crystals but also by the crystal structure of the supports. Table 1 Ammonia synthesis activities and BET surface areas Catalyst Optimal activity Highest activity Surface area of support temperature(K) (NH3/mL•h-1•g-1) (m2•g-1) K-Ru/MgO 748 12.88 K-Ru/Al2O3 698 23.79 K-Ru/CaO 723 23.22 K-Ru/Mg(Al)O 673 38.42 140.95 K-Ru/Mg-Al-Ca(1) 698 30.75 29.10 K-Ru/Mg-Al-Ca(2) 698 26.12 14.69 Acknowledgments This work was supported by the NNSF of China (20273053， 20023001 and 29933040)， the 973 Programming (001CB108906) and the NSF of Fujian province (E0310001). References 1. C. J. H. Jacobsen， S. Dahl， P. L. Hansen et al.， J. Mol. Catal. A， 2000， 163， 19. 2. F. Cavani， F. Trifiro， A. Vaccari， Catal. Today， 1991， 11， 173. 展开

急求翻译毕业论文: 我是妇科专业博士，我们学校要求毕业论文写成双语，即要求把中文的翻译成英文，现急求专业翻译人士，请大家提供这方面信息，非常感谢... 我是妇科专业博士，我们学校要求毕业论文写成双语，即要求把中文的翻译成英文，现急求专业翻译人士，请大家提供这方面信息，非常感谢展开

有什么有趣的英语故事，Z好有翻译:

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