原子質量測定 的英文怎麼說

中文拼音 [yuánzizhíliángdìng]
原子質量測定 英文
atomic determination
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Fat, protein, aminophenol, trace elements in amygdalus ledebouriana schleche were determinated by chp ( 2005 edition ) and national standard methods, natural benzaldehyde and amygdalin were determinated by uv absorb method and hplc method respectively

    分別用索氏抽提法、微凱氏氮法野巴旦杏中脂肪、蛋白,用氨基酸分析儀多種氨基酸含吸收法多種元素,紫外法及反相高效液相法天然苯甲醛及苦杏仁苷。
  2. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    採用發射光譜儀對進口低溫透明釉進行半分析,並用吸收光譜儀其陶瓷製品的鉛、鎘的溶出,分析化學成分對鉛、鎘溶出的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含,對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝,研製出優的1000 1050低溫無鉛透明釉
  3. Levels of fasting blood glucose and 24h urinary microcontent of albumin 24 h malb were determined dynamically ; the serum glycosyl hemoglobin hba1c was determined after the last medication ; the ultrastructural changes of kidney were observed by transmission electron microscope ; the expressions of collagen, fibronctin, laminin ln, and the ecm metabolism influencing factors, including mmp2, tissue inhibitor of metalloproteinase timp2, transfer growth factor 1 tgf 1 in renal tissue were detected by immunohistological chemistry and image collecting analytical system

    動態檢各組大鼠空腹血糖fbg 24h尿微白蛋白24h malb ,末次給藥后大鼠血漿糖化血紅蛋白hba1c透射電鏡觀察各組大鼠腎臟超微結構改變,應用免疫組化技術及圖像採集分析系統各組大鼠腎臟組織中型膠c纖維連接蛋白fn層粘連蛋白ln的表達,影響ecm代謝的基金屬蛋白酶2 mmp2基金屬蛋白酶抑制劑2 timp2及轉化生長因1 tgf 1的表達。
  4. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115體后經篩選陽性克隆並經表型鑒為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和度的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離交換, c _ ( 18 )反相hplc純化得到分為4kd左右的組分,其中4289 . 05的組分經譜鑒,氨基酸組成分析和序列為正確的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達為80mg / l 。
  5. Gfaas determination of trace amounts of arsenic in high purity nickel

    石墨爐吸收光譜法高純鎳中痕
  6. First, glass slides having been rinsed will be treated with nh3h2o, aminosilane and aldehyde. second, the quality of pretreatment surface of glass slides can be tested through methods of fluorescence and afm microscope. in the end, the characteristic of probe immobile ratio for oligonucleotide on glass surface is obtained through researching the internal relation of these two methods

    實驗選用表面平整的德國玻片,將清洗好的玻片分別進行羥基化、氨基化、醛基化,採用熒光法和力顯微鏡法分別檢玻片表面預處理,研究兩種檢方法之間的內在聯系,從而確表徵玻片表面寡核苷酸探針固率的方法。
  7. In the light of field features in desertification areas, the data quality and band combination of different bands are assessed, the indicators, principles and methods for data assessment and band option are put forward to, and optional band combination for desertification monitoring is determined primarily. the data pre - treatment model for desertification monitoring is developed after studying the pre - treatment algorithm of restoration and rebuilding of hyperspectral resolution data. the spectral features and variation rules of different objects in experimental areas are understood and analyzed

    針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據、波段組合進行性和的評價,提出用於數據評價、波段選擇的指標、則和方法;初步確一個適用於荒漠化監的優化波段組合,建立適合於荒漠化監的數據預處理模式;初步分析、掌握研究區內各類地物的光譜特性及變異規律;針對荒漠化地區特點對多種分類方法進行探討分析;建立荒漠化監主要評價因反演模型。
  8. Standard practices for digestion of water samples for determination of metals by flame atomic absorption, graphite furnace atomic absorption, plasma emission spectroscopy, or plasma mass spectrometry

    用火焰吸收法石墨爐吸收法等離體發射光譜法或等離譜法金屬含用水試樣浸煮的標準實施規范
  9. Water quality - determination of total mercury by flameless atomic absorption spectrometry - part 3 : method after digestion with bromine

    .用無火焰吸收光譜法總汞含.第3部分:溴煮解后的方法
  10. Water quality - determination of total mercury by flameless atomic absorption spectrometry - part 1 : method after digestion with permanganate - peroxodisulfate

    .用無火焰吸收光譜法總汞含.第1部分:用高錳酸鉀-過氧二硫酸鹽煮解后的方法
  11. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、了20種常見生物的能(發熱)和c 、 h 、 n元素含,根據實驗結果分別建立了以h和c為自變的生物經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能轉化率計算和生物利用率計算提供了依據和方便; ( 2 )選擇了8種生物試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物的頻率因和活化能參數,進而建立了各種生物的熱解動力學模型,為科學確反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確不同尺度的生物顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物顆粒的長徑比進行了實驗觀察和,得出生物的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  12. In this study, we designed a pair of primers based on the sequence of the upstream and downstream of chicken il - 2 gene. about 600 bp chicken il - 2 cdna fragment was cloned from cona - stimulated chicken splenocytes by reverse transcription - polymerase chain reaction ( rt - pcr ) and was subcloned into puc18 vector. recombinant clone was demonstrated by restriction enzyme digestion and dna sequencing. next, we construct recombinant plasmid pproex ? t - il - 2. the cdna of chicken il - 2 gene was subcloned into bamh i / hind iii sites of vector. the recombinant plasmid pproex ? t - il - 2 was transformed into e. coli dh5a and the bacteria was induced with iptg. it was demonstrated by sds - page and western blot that a 18kda protein which was equal to chicken il - 2 protein in molecular weight was expressed in e. coli dh5a. the expression level was up to 30 % of the total bacterial proteins. the purified protein was used to prepare the antibody against chicken il - 2 protein

    經酶切鑒及dna序列,該基因為雞il - 2基因,其序列與sundick等報道的完全一致。在此基礎上,我們把雞il - 2基因亞克隆到大腸桿菌核表達載體pproex ~ ( tm ) ht中,構建重組表達粒並進行確證性序列,重組序結果表明將編碼雞il - 2成熟蛋白的基因正確地插入到核表達載體pproex ~ ( tm ) ht的目的位點。重組粒轉化受體菌dh5後用iptg於37進行誘導培養, sds - page和westernblot分析顯示,表達的雞il - 2融合蛋白分約為18kda ,表達的融合蛋白經薄層掃描發現目的蛋白表達約占菌體蛋白的30 。
  13. Water quality - physical, chemical and biochemical methods - determination of sodium and potassium : determination of sodium by atomic absorption spectrometry

    .第2部分:物理化學和生物化學方法.第42節:鈉和鉀含:吸收光譜法鈉
  14. Soil quality - extraction of thallium and determination by electrothermal atomic absorption spectrometry iso 20279 : 2005

    土壤.鉈的萃取和電熱吸收光譜法
  15. Abstract : the fraction compositions, group compositions and structure compositions of seve n catalytic stocks were determined by means of vacuum distillation, mass spectrum, element analysis and molecular mass measurement

    文摘:採用減壓蒸餾、譜分析、元素分析和分對遼河油的7種催化料油進行了餾分組成、族組成和結構族組成的分析。
  16. Liming materials - determination of magnesium content - atomic absorption spectrometric method

    石灰浸物.鎂含.吸收分光光度法
  17. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of magnesium content - flame atomic absorption spectrometric method

    稀土金屬及其氧化物中非稀土雜化學分析方法鎂火焰吸收光譜法
  18. Soil quality - determination of lead, cadmium - ki - mibk extraction flame atomic absorption spectrophotometry

    土壤鉛鎘的ki - mibk萃取火焰吸收分光光度法法
  19. Methods for the analysis of pewter - determination of alloying and impurity element contents by atomic spectrometry

    錫鉛合金分析方法.光譜法合金和雜元素含
  20. Soil quality - determination of nickel - flame atomic absorption spectrophotometry

    土壤鎳的火焰吸收分光光度法
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