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研究     
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  study
    Study on Removing Flue Gas Entrained by Regenerated Catalyst
    脱除再生催化剂携带烟气的研究
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    Study on Reactive Extrusion of Polyolefin
    聚烯烃的反应挤出研究
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    Study on Preparation of Unsupported Metallocene Catalyst Microparticles Using Supercritical Fluid Technology
    超临界流体技术制备无载体茂金属催化剂微粒的研究
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    Study on A New Porous Carbon Material——Woodceramics
    新型多孔炭材料——木陶瓷的研究
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    Study on the Structure of Polyolefin Hollow Fiber Membranes and Their Properties for Gas Separation
    聚烯烃中空纤维膜结构及其气体分离性能的研究
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  research
    Research, Manufacture and Evaluation of Titanium Silicalite Catalyst and Study on Course of Reaction in Propylene Epoxidation
    丙烯环氧化钛硅沸石催化剂的研制、评价及反应过程的研究
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    Molecular Design、Synthesis and Biological Activity Research of 6-Naphthylmethyl Substituted HEPT Analogs as Nonnucleoside HIV-1 Reverse Transcriptase Inhibitors
    非核苷类HIV-1逆转录酶抑制剂6-萘甲基取代HEPT类似物的分子设计、合成及生物活性研究
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    Study on the New Process of Catalytic Distillation of Methyl Acetate Hydrolysis and Related Fundamental Research
    醋酸甲酯催化精馏水解新工艺及相关基础研究
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    Research on Making γ-Linolenic Acid (GLA) by Animalcule Zymotechnics and Using GLA to Prevent and Treat Cardiovascular & Cerebrovascular Diseases
    微生物发酵法制取γ-亚麻酸(GLA)和用于防治心脑血管疾病的研究
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    The Process Research for 5'-Nucleotide Preparation
    5’-核苷酸制备工艺的研究
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  studies
    Studies on Polyurethane/Polysiloxane IPNs Damping Elastomers
    聚氨酯/聚硅氧烷IPN阻尼弹性体研究
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    Preparation and Separation Studies on ZSM-5 Zeolite Membrane
    ZSM-5沸石膜的合成及渗透性能研究
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    Studies of the Wet Additive-Enhanced Limestone/Lime Flue Gas Desulfurization
    添加剂强化石灰石/石灰湿式烟气脱硫研究
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    Studies on Eulaliopsis Binata Biological Pulping Mechanism and Application in the Factory
    龙须草生物制浆机理研究及工厂化应用
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    Studies on Chemical Compositions and Pharmacological Activity from Fruitbodies and Culture Fluid of Gloeostereum Incarnatum
    榆耳(Gloeostereum incarnatum)子实体及发酵液化学成分和药理活性研究
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    To Investigate VE for Use in the Industry of Chemistry
    化工业VE应用研究
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    Using Voltammetry to Investigate Inhibition of Barnyardgrass DNA Replication by Mefenacet
    伏安法研究苯噻草胺对稗草DNA复制的抑制作用
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    Investigate the influence of lithium chloride on nylon 6' structure and performance
    氯化锂对尼龙6结构与性能影响的研究
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    Investigate of Extruding of LDPE Microcellular Plastics
    LDPE微孔塑料挤出成型的研究
    Response surface optimization experiments were conducted to investigate the hydrolyzation with trypsin. The results showed that the optimal conditions were as follows: pH=8.02, temperature=37.0 °C, enzyme dosage [E]/[S]=1.5 %, ratio of water to material 4.13, time span 4h. Under the optimal conditions, the ACE inhibitory activity of hydrolysates was 84.95%.
    并以ACE抑制活性为响应值对酶解反应进行优化研究,结果显示,最优条件为pH8.02、温度37.0℃、蛋白酶量[E]/[S]=0.75AU、料液比(W/R)为1:4.13、水解时间4.0h,在该条件下获得的酶解物的ACE抑制活性为84.95%。
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  study
In our paper [KR] we began a systematic study of representations of the universal central extension[InlineEquation not available: see fulltext.] of the Lie algebra of differential operators on the circle.
      
This study was continued in the paper [FKRW] in the framework of vertex algebra theory.
      
In the present paper we study the remaing nontrivial case, that of a negative central charge-N.
      
We study reductive group actions on complex affine quadrics.
      
We study certain naturally-defined analytic domains in the complexified groupHC which are invariant under left and right translation byH?.
      
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  research
In the early 1960s research into radar signal synthesis produced important formulas describing the action of the two-dimensional Fourier transform on auto- and crossambiguity surfaces.
      
At the end of the article, the method is tested on real magnetic field data measured by the German geoscientific research satellite CHAMP.
      
The extensive research and applications obtained for the continuous wavelet transform can therefore be directly applied to the Stockwell domain.
      
Nauk SSSR 134:536-539, [1960]) in his research related to the hyperplane Radon transform in??n.
      
Analogue-Based Drug Research: Lead and Drug Optimization
      
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  studies
The paper studies generic commutative and anticommutative algebras of a fixed dimension, their invariants, covariants and algebraic properties (e.g., the structure of subalgebras).
      
This paper introduces the concept ofn-valued groups and studies their algebraic and topological properties.
      
This paper studies intersection theory on the compactified moduli space ${\mbox{$\cal M$}} (n,d)$ of holomorphic bundles of rank n and degree d over a fixed compact Riemann surface $\Sigma$ of genus $g \geq 2$ where n and d may have common factors.
      
These studies may be useful in designing molecules with better cyclooxygenase-2 inhibitory activity.
      
ANTIMICROBIAL AND PHYTOCHEMICAL STUDIES ON THE LEAVES OF PHYLLANTHUS SINGAMPATTIANA (SEBASTINE >amp; A.N.
      
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  investigate
We investigate the eigenvalue problem for such systems and the correspondingD-module when the eigenvalues are in generic position.
      
We investigate such normal affine algebras in the case of a locally trivial action on a factorial variety.
      
We investigate holomorphic self-maps of complex manifolds of the formG/Γ whereG is a complex Lie group and Γ a lattice.
      
We investigate the sets C(S) of such x for various orbits S and their relations with each other.
      
In this paper we investigate the ring of Siegel modular forms of genus two and level 3.
      
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  其他


This is a preliminary report of the application of several methods in the making of bamboo pulp. The two-stage soda process and the two-stage sulfate process were first tested. It was found that the pulp obtained by the second process can be better bleached than that by the first process. In order to im-prove the quality of the pulp, the three-stage sulfate process was then applied. It consists of three steps, namely, cooking in water under slight pressure (115℃) for about one hour, digesting in a solution of...

This is a preliminary report of the application of several methods in the making of bamboo pulp. The two-stage soda process and the two-stage sulfate process were first tested. It was found that the pulp obtained by the second process can be better bleached than that by the first process. In order to im-prove the quality of the pulp, the three-stage sulfate process was then applied. It consists of three steps, namely, cooking in water under slight pressure (115℃) for about one hour, digesting in a solution of one percent of the cook-ing reagent (HaOH:Na2S=2:l) at 120℃ for two hours, and finally digesting in a 5% solution of the reagent for three hours. This 3-stage method gave a product which is satisfactorily white and was found equally applicable to sev-eral kinds of bamboo used.

本文系将数量制粕法应用於竹材纸粕之初步研究报告,试以二级碱法及二级硫酸盐法蒸解老竹,发现后者竟较前者更宜於竹材,所得硫酸盐竹粕,经漂白后色泽较碱粕为佳,再试以三级硫酸盐法,先以水於微压下(115℃)蒸煮一小时,次於120℃时以1%蒸解剂(NaOH:Na_2S=2:1)稀溶液预行蒸解两小时,最后以5%蒸解剂溶液蒸解三小时,结果可得洁白之纸粕,对於所用数量竹料均极相宜.第三级蒸解之最宜情况,经试验结果,以在160℃时用5%蒸解剂溶液(NaOH:Na_2S=2:1)蒸解3(1/2)小时之成绩为最佳,所得纸粕色泽既白,且漂剂消耗量亦低.作者曾将竹材皮层与心材剥离,分别以三级硫酸盐法蒸解,证明两者所得纸粕,就色泽及漂剂消耗量而言,大致相同,指示前人理论,谓老竹皮层中含有高分子胶质,纸粕不易漂白,似属不确.本试验仅用三种不同地区所产之竹为原料,故三级硫酸盐法是否适用於所有国产竹材,及其最宜蒸解情观是否完全相同,犹待於将来之研究.

A method for the paper chromatography of aureomycin is here described. Out of 43 kinds of developing solvents studied, four have been proved satisfactory. They are: (1) n-butanol saturated with M/10 citrate buffer of pH 3.9, (2) 1% aqueous solution of boric acid, (3) M/10 citrate buffer of pH 3.9 saturated with n-butanol, and (4) n-butanol-acetic acid-water (5∶1∶4). The upward R_F values for the above four solvent systems are 0.40 ± 0.02, 0.83 ± 0.02, 0 and 1 respectively when Whatman No. 1 filter paper is...

A method for the paper chromatography of aureomycin is here described. Out of 43 kinds of developing solvents studied, four have been proved satisfactory. They are: (1) n-butanol saturated with M/10 citrate buffer of pH 3.9, (2) 1% aqueous solution of boric acid, (3) M/10 citrate buffer of pH 3.9 saturated with n-butanol, and (4) n-butanol-acetic acid-water (5∶1∶4). The upward R_F values for the above four solvent systems are 0.40 ± 0.02, 0.83 ± 0.02, 0 and 1 respectively when Whatman No. 1 filter paper is used. For general purpose the first solvent is preferred. With this solvent, the R_F values for terramycin hydrochloride, streptomycin hydrochloride-calcium chloride complex and chloromycetin are 0.32±0.03, 0 and 1 respectively. Chromatograms containing aureomycin may be easily recognized with naked eyes if the amount of the antibiotic present is not less than 5 μg/cm~2, or by fuming with HC1- vapour to give an orange stain of anhydroaureomycin hydrochloride if not less than 1.6 μg/cm~2, or by agar-plate method if not less than 0.3 μg/cm~2, or by fluorescence method if not less than 0.09 μg/cm~2. Under an UV-lamp, aureomycin hydrochloride shows a bright lemon-yellow fluorescence; terramycin, dirty yellow; and anhydroaureomycin hydro- chloride-boric acid complex, dull brown. The fluorescing chromatograms can be photo- graphed. The present method can be directly employed for qualitative as well as rough quantitative determination of the aureomycin in the beer of Streptomyces aureofaciens. It may serve as a useful aid in antibiotic screening. By means of mixing chromatography, aureomycin may be detected in the human urine collected after oral administrations. Using 1% boric acid as the developing solvent, anhydroaureomycin hydrochloride can be successfully separated from aureomycin hydrochloride by chromatography. In fact, the existence of a trace of the anhydro-compound has been detected in some crude aureomycin preparations.

本報告提供了一個金黴素的紙上層析方法。在28°用Whatman 1號濾紙研究了43種紙上層析用的顯層溶劑。用其中的四種顯層溶劑,M/10檸檬酸鹽pH 3.9緩衝液飽和的丁醇(I),1%硼酸水溶液(II),丁醇飽和的M/10檸檬酸鹽pH3.9緩衝液(III),和丁醇-醋酸-水(5∶1∶4)(IV)顯層,都可以得到較滿意的色層。它們的比移分別是0.40±0.02,0.83±0.02,0.87±0.01和0.88。這四種中尤以顯層溶劑(I)的結果最佳。用顯層溶劑(I),在同一條件下的鹽酸地黴素、鹽酸鏈黴素氯化鈣複鹽和氯黴素的比移,分別是0.32±0.03,0和1。色層辨認的方法,在超過5微克/厘米~2以上可用肉眼;1.6微克/厘米~2以上可用氯化氫氣體顯色;在0.3微克/厘米~2以上可用瓊脂平板培養基制菌法;在0.09微克/厘米~2以上可用螢光法。色層螢光可以直接攝照。 應用本法可以直接鑑定金黴菌發酵液中的金黴素,並可以初步估計含量。用混合層析法也可以鑑定尿中的金黴素。 應用1%硼酸水溶液作顯層溶劑,可以鑑別鹽酸金黴素和鹽酸脫水金黴素,用本法曾鑑定了幾批鹽酸金黴素粗製品中有微量脫水化合物的存在。

For the sake of fulfilling the increasing demands on high-pressure vessels, and discussing further on the techniques in their manufacture, we started the research works since the end of 1956.

为了满足国内高压容器的发展的需要,并对制造高压容器的新技术作进一步的探讨,我们进行了以铸钢代替锻钢的研究试验,以解除对高压容器材料的限制。同时也研究运用金属的塑性理论以自动增强高压容器。这种利用材料的塑性性质来进行结构的研究,肯定是一种先进的分析方法,它不但充分发挥了材料的潜力(塑性材料的屈伏点被提高了),而且是正确地估计了结构的真正工作能力。 通常由於铸钢所具有的一定的缺陷,以及作为高压容器时,估计到铸钢在爆破中所可能形成的碎片将有较大的杀伤破坏,因此国外许多文献上都载着铸钢作为容器时的压力限制,甚至有的在根本上就否定了铸钢作为高压容器材料的可能。 我们的试验否定了文献上的规定,现在铸钢的高压容器已受到普遍的欢迎有许多地方则早已把这种价廉、质优、安全、能够很快成批生产的设备投入了生产。

 
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