核譜 的英文怎麼說

中文拼音 []
核譜 英文
nucleus spectrum
  • : 核構詞成分。
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  1. The amniotic fluid and allantoic fluid of chicken embryo have been analyzed and the resonances of most substances in them were assigned by 1 - dimention and 2 - dimention nuclear magnetic resonance ( nmr ) methods. this work could be the basis of quantitative analysis of metabolites and studying the metabolites changing between the amniotic and allantoic fluid during the hatching process. also, it provided a new way to study the process of embryo developing

    用一維及二維液體高分辨磁共振( nuclearmagneticresonance , nmr )方法綜合分析了雞胚羊水和尿囊液的成分,對其中的大多數峰進行了歸屬,發現了一些未經報道的小分子代謝物,為研究胚胎發育過程中各個胚囊中體液的交換和小分子的代謝以及進一步對發育過程中代謝物含量變化的定量研究打下了基礎,並為研究胚胎發育的過程提供了新的思路。
  2. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射線能測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性素信息,工程活動產生的大量人工放射性素信息以及射線與地殼相互作用產生的相關信息。
  3. In this paper, we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole, ethyl benzoate, m - cresol, respectively, which are identified by means of 1hnmr technique

    摘要以-環糊精與苯甲酸乙酯、苯甲醚和間甲酚在水相中通過范德華力發生包合反應形成了主客體超分子絡合物,並用磁共振氫對絡合物進行了表徵。
  4. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖沒有顯示出多態性;增加內切酶種類及供試菌株數量,有可能獲得具有多態性的限制性內切酶酶切圖; 9本實驗中, its區域的真菌特異性引物與真生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  5. The changing tendencies of the relative contents of phosphorous contained substances have been detected by in - vivo " p magnetic resonance spectroscopy ( in - vivo " p mrs ) during the whole hatching process. in - vivo ] p mrs proved the catabolism of adenosine 5 ' - triphosphate ( atp ), phosphorous ester and phosphocreatine ( pcr ) when the embryo dead. the results could be used to deduce the conversion of phosphorous contained metabolites during the chicken embryo developed

    用活體磁共振定域氫( in - vivohmagneticresonancespectroscopy , in - vivohmrs )對胚胎發育過程中羊水和蛋白、蛋黃的成分進行了分析;用活體磷( in - vivo 』 』 pmrs )的方法分析了在整個胚胎發育過程中含磷代謝物的相對含量隨時間的變化,表明了磷脂類物質及三磷酸腺苷( atp ) 、磷酸肌酸( pcr )在此過程中的變化及可能的相互轉化的趨勢,胚胎死亡后的磷也證明了磷脂類物質及三磷酸腺苷( atp ) 、磷酸肌酸( pcr )在死亡過程中降解為無機磷的現象。
  6. 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。
  7. Abstract : several - aromaticamino ketones, which were designed according to some hypothetical models of the cyclooxygenase and 5 - lipoxygenase active sites, were synthesized by an amino exchange reaction. the structures of the eight new compounds were confirmed by ir, 1h - nmr and elemental analysis. the results of the pharmacological tests showed some of the investigated compounds had significant anti - inflammatory activity on croton oil - induced ear edema of mice

    文摘:根據環氧化酶、 5 -脂氧化酶活性中心結構模型設計了一組-芳胺酮類化合物,並用胺交換反應合成了這些化合物.經紅外光磁共振氫及元素分析證實了8個未見文獻報道的化合物的結構.藥理實驗結果顯示.部分受試化合物在巴豆油誘發小鼠足趾腫脹模型中表現出一定的抗炎活性
  8. Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis

    4 .利用函數,提出了基於epanechnikov函數的插值方法將採得的不等間隔的輪速信號轉換成等間隔的輪速信號。利用輪胎滾動方向的振動性質提出了估計法。
  9. The molecular structure of ethyl cellulose was characterized and confirmed by elementary analysis, ft - ir and 1h nmr, and the compound obtained was final objective product

    通過元素分析、紅外光磁共振氫對產物的分子結構進行表徵,確定所合成的化合物即為目標產物。
  10. Study for energ spectra of nuclei in gds shell with pdhf method

    殼層的能研究
  11. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  12. Rapid fourier transform nmr correlation spectroscopy

    快速傅立葉變換磁共振相關波
  13. Pulse fourier transform nmr spectroscope

    脈沖傅里葉變換磁共振波
  14. High - resolution nmr spectroscope

    高解析度工業磁共振波
  15. The amounts of cu, zn, fe and mn in day - lily flower, osmunda cinnamomea and walnut kernel were determined by microwave digestion - flame atomic absorption spectrometry

    摘要採用微波消解樣品,用火焰原子吸收光法測定了黃花菜、薇菜和桃仁中的銅、鋅、鐵、錳的含量。
  16. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三,利用磁共振,紅外光,紫外分析,質等現代分析測試技術對分離提取物f進行結構鑒定,解析出f的結構,初步推斷該物質為鄰苯二甲酸- ( 3 -甲基)壬酯( pdne ) ,根據目前所掌握的資料,還沒有檢索到該物質相關的報道,初步認定為一種新型的天然產物。
  17. Study on immunochromatographic test for detection of tuberculous pleurisy

    病快速免疫色測試卡對結性胸膜炎的診斷價值
  18. Multi - locus dna fingerprint technique was used to check the chimerism of chimeric mouse generated by injecting es cells into blastocysts and to detect whether the chimeric mouse is a germ - line chimeras. the results indicated that : the multi - locus dna fingerprint with a new synthesized probe - jl - 02, has enough polymerism and good stability, and should be very useful to monitor the chimerism in different tissues of es cell chimeric mouse and to check whether an es cell line has the capacity to enter the germ line, especially when involving strains that can not be discerned with coat color or biochemical markers

    嘗試應用多位點dna指紋技術,檢測經過胚胎幹細胞es細胞途徑所獲得的嵌合體小鼠中es細胞在各種臟器中的嵌合情況檢測es細胞在嵌合體小鼠中是否實現種系傳遞。結果表明:採用新型的人工合成的寡苷酸多聚體探針jl - 02探針的多位點dna指紋圖,具有足夠的多態性和很好的穩定性。
  19. Soil quality. determination of polynuclear aromatic hydrocarbons. method using high - performance liquid chromatography

    土壤質量.多芳香碳氫化合物的測定.高性能液相色
  20. The investigation of excited baryons is very important in understanding the internal structure of baryon and the strong interaction in the nonperturbative quantum chromodynamics ( npqcd ) regime. however, there was not much progress on the baryon spectroscopy data since the late 1970 ' s

    子激發態的研究對我們認識物質微觀結構和強相互作用性質有重要意義,目前重子的研究對人類認識物質微觀結構起著非常的作用。
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