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an examination
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  考试
     This paper presents an examination system for basic courses of computer technology based on Visual Basic 6.0 software.
     介绍一种利用Visual Basic 6.0开发的计算机技术基础课程考试系统。
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     Establishing an examination system of higher mathematics and raising its teaching quality
     建立高等数学考试出题系统 提高高等数学教学质量
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     Different quantitative methods of analysing an examination result with SPSS are given.
     使用SPSS对考试结果进行各种定量分析。
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     Design and Implementing of An Examination System
     一种考试系统的设计与实现
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     Systematic analysis and design the examination networkedly systematically that this text has recommended, Combine one real B/S mode networked to have an examination system, it is simple for introduction to have an examination systematic module and main procedure.
     本文介绍了网络化考试系统的分析与设计 ,结合一个实际的B/S模式的网络化考试系统 ,简单介绍了考试系统的模块和主要流程。
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  审视
     An Examination of the Innovative Education in China in the New Century
     审视新世纪我国的创新教育
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     AN EXAMINATION INTO PREDICTION METHODS BASED ON RESERVOIR PERFORMANCE ANALYSES
     油藏动态分析预测方法的审视
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     An Examination on College English Teaching from the Perspective of Constructivism
     从建构主义角度审视大学英语教学
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     This account is an examination of my own personal and lifelong passion for China, culminating in attendance at the IUAES meeting held in Beijing in 2000.
     这篇文章审视了我个人一生对中国的美好情感,而我的这种情感于 2000 年参加在北京举行的IUAES(国际人类学民族学联合会中期会议)时达到高潮。
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     An Examination of the Party's Ideological Line from the Philosophical Perspective
     从哲学视角审视党的思想路线
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  一种考试
     Design and Implementing of An Examination System
     一种考试系统的设计与实现
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     Teaching-oneself examination is an examination system as well as education form.
     自学考试是一种考试制度,又是一种教育形式。
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     In this paper, the design and implementing of an examination system is given, the composition, function of the system are also provided and the system have basically implemented.
     给出一种考试系统的设计与实现,以及其系统组成、系统功能,以实现对考试系统的管理,最终应用于实际.
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  “an examination”译为未确定词的双语例句
     An Examination on the Active State of Pd in (PdCl2-PVP)/Al2O3 Catalyst
     (PdCl_2-PVP)/Al_2O_3催化剂中Pd状态的探讨
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     An examination of HPV 6,11 DNA should be taken before treatment.
     CA治疗前应作HPV6,11DNA检查
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     An Examination on Families of Hunter's Syndrome
     Hunter综合征家系调查
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     An Examination on SOD and MDA in the Serum of Diabetes Patients and Its Clinical Significance
     糖尿病患者血清SOD和MDA的检测及临床意义
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     An Examination of the Phoneme Groups in 唐书释音
     《唐书释音》的声类系统
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  an examination
An examination of the translation invariance of V0 under dyadic rationals is presented, generating a new equivalence relation on the collection of wavelets.
      
Its particular example is the examination stress, which develops in some students expecting an examination.
      
Energy Metabolism and Spectral EEG Characteristics of Students with Different Neuroticism and Anxiety Levels in an Examination S
      
Characteristics of the energy metabolism, external ventilation, and spectral characteristics of the EEG in an examination situation were studied in students with high and low neuroticism and situational anxiety.
      
Characterization of the electroactive process includes an examination of the degree of reversibility.
      
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A survey of the molecular rotation data and an examination of the characteristics of the UV absorption spectrum of desoxosipeimone (desoxodihydroimperialon, Ⅱ), coupled with biogenetic considerations, appear to favour the location of the secondary hydroxyl group in sipeimine (imperialin) at C-3.The carbonyl group of sipeimine is tentatively assigned to C-6 in order to account for the unusual chemical and spectral properties of anhydrosipeimine (Ⅹ), which seems to behave like a cyclopropyl ketone. In the...

A survey of the molecular rotation data and an examination of the characteristics of the UV absorption spectrum of desoxosipeimone (desoxodihydroimperialon, Ⅱ), coupled with biogenetic considerations, appear to favour the location of the secondary hydroxyl group in sipeimine (imperialin) at C-3.The carbonyl group of sipeimine is tentatively assigned to C-6 in order to account for the unusual chemical and spectral properties of anhydrosipeimine (Ⅹ), which seems to behave like a cyclopropyl ketone. In the meantime, an extensive study of existing rotation data indicates that position-6 is equally acceptable as position-7 as the site of the carbonyl. The latter position has been favoured by Morgan and Barltrop.The location of the tertiary hydroxyl group and the stereochemistry of the rings A and B are discussed.The structure of sipeimine (imperialin) is provisionally presented as (XIV).

从旋光数据及脱氧西贝酮的紫外光谱考虑,将西贝素的仲醇羟基定在C-3β-位.为便于解释脱水西贝素异常的化学及光谱性质,认为它具环丙基酮类型的结构,从而西贝素中的羰基应位于C-6.众多的旋光数据对这推断亦无矛盾.对西贝素中叔醇基的位置及其A,B两环的立体化学也有所讨论.西贝素的结构式经推定如(XIV)式.

It has become increasingly apparent in recent years that for a large number of enzymes, including hydrolases, transferases, lyases, isomerases, ligases and oxidoreductases, two ES intermediates are involved in their mechanism of catalysis (Scheme 3). The kinetic behaviour of such systems towards inhibitors has been studied and a general equation is obtained. An examination of the conditions required for the perturbation terms to vanish shows that except competitive and uncompetitive interactions, if a...

It has become increasingly apparent in recent years that for a large number of enzymes, including hydrolases, transferases, lyases, isomerases, ligases and oxidoreductases, two ES intermediates are involved in their mechanism of catalysis (Scheme 3). The kinetic behaviour of such systems towards inhibitors has been studied and a general equation is obtained. An examination of the conditions required for the perturbation terms to vanish shows that except competitive and uncompetitive interactions, if a plot of 1/v against 1/s for various concentrations of the inhibitor gives straight lines with the intersection point in the second quadrient or on the 1/s axis, then, in general, k_(-1)>>k_(+2), and at the same time, E, ES, EY and EYS are at quasi-equilibrium. Furthermore, when k_(+3)>>k_(+2), the experimentally determined Michaelis constant is equal to the dissociation constant of the Michaelis complex, that is to say, the conclusion reached by Botts and Morales can also apply. The relationship between the Michaelis constant and the dissociation constant of the Michaelis complex has also been discussed for the case k_(+2)≥ k_(+3). On the basis of the above discussion some of the kinetic behaviours of chymotrypsin, papain and galactosidase are satisfactorily explained.

我們用稳态的方法处理了抑制剂存在下,酶作用于一个底物,生成两个酶中間的系統,得到了該系統的动力学方程。根据微扰項消失的条件討論了用Lineweaver-Burk法作图时得到直綫关系的条件。当在不同的抑制剂浓度下,得到一組直綫交于第二象限或横軸时,則有K_1=K的关系。并且只有k_(+2)>>k_(+3)时,米氏常数才等于米氏絡合物的解离常数,亦即Botts和Morales的結論也能够在这个系統适用。此外对于在k_(+2)>k_(+3),和k_(+2)=k_(+3)的情况下,米氏常数与平衡常数之間的关系也进行了討論。应用本文推导的动力学方程,討論了胰凝乳蛋白酶,木瓜蛋白酶和半乳糖苷酶的动力学行为。鉴于一些轉換酶、裂解酶、(?)构酶、合成酶甚至于氧化还原酶也都包含两个酶中間物。本文的討論可能具有較为普遍的意义。

1. In October-November, 1961, in the 'Shatien Area' of Pearl River Delta, 223 rodent caves were carefully dissected for an examination of the arthropod fauna. Of these caves, 151 (67.71%) belonged to Rattus rattoides exiguus, 32 (14.35%) to Bandi-cota nemorivaga, 20 (8.97%) to R. n. norvegicus, 12 (3.38%) to Mus muasulus casta-neus, and 8 (3.59%) to Suncus murinus.2. Trombiculid mites, mesostigmatid mites were found to be common ectoparasites of these rodents. On R. rattoides exiguus, B. nemorivaga and...

1. In October-November, 1961, in the 'Shatien Area' of Pearl River Delta, 223 rodent caves were carefully dissected for an examination of the arthropod fauna. Of these caves, 151 (67.71%) belonged to Rattus rattoides exiguus, 32 (14.35%) to Bandi-cota nemorivaga, 20 (8.97%) to R. n. norvegicus, 12 (3.38%) to Mus muasulus casta-neus, and 8 (3.59%) to Suncus murinus.2. Trombiculid mites, mesostigmatid mites were found to be common ectoparasites of these rodents. On R. rattoides exiguus, B. nemorivaga and R. n. norvegicus, as far as tfombiculid mites were concerned, Gahrliepia (Walchia) parapacifica was the dominant species, and in the order of abundance, G. (Gahrliepia) yangchenensis, G. (W.) pacifica, G. (W.) chinensis, and Euschongastia centralkwangtunga were the next; while of the mesostigmatid mites, Laeiaps nuttalli was the dominant species, Tricholaelaps sp. the next, and L. echidninus the least common,3. The inhabitants of the rodent nests were mesostigmatid mites, ants, spiders, several species of Collembolla, Coleoptera, Isopoda and Diplopoda, of which the mesostig-natid mites were the most numerous. In 191 nests only two nymphs of trombiculid mites were collected. The mesostigmatid mites from the nests belonged to the same species as those found on the body of rodents, but Tricholaelaps sp. was the dominant species in the nest.4. Experimental evidence indicates that in rodent caves, mesostigmatid mites are the natural enemies of trombiculid mites, while mesostigmatid and trombiculid mites are the natural enemies of ants and certain species of Collembola and Isopoda.5. It seems that the nests in rodent caves can hardly become a breeding place of trombiculid mites as long as the rodents are in occupation. In the 'Shatien Area' of the Pearl River Delta where the altitude approximates the sealevel and the underground water level is often high, the place may be suitable for the propagation of Gakrliepia but probably not for Trombicula akamushi var. deliensis, the chief vector of tsutsugamushi disease in this country.

1.1961年10—11月间在沙田地区一个公社范围内挖掘鼠穴223个,捕获鼠398只,包括5种鼠和它的巢穴,其中黄毛鼠(Rattus rattoides exiguus)占大多数,板齿鼠(Bandicotanemorivage)次之。 2.鼠体上寄生的节肢动物有恙虫、(虫穴)蚲和虱子。黄毛鼠、板齿鼠还有褐家鼠(R.norvegicus norvegicus)身上寄生的恙虫蚴,不论从感染率或携带数量看,皆以似太平洋背展(恙虫)[Gahrliepia(Walchia)parapacifica Chen et al.,1956]蚴为优势种,羊城背展(恙虫)[G.(Gahrliepia)yangchenensis Chen & Hsu,1957]蚴次之,太平洋背展(恙虫)[G.(W)pacifica Chen & Hsu,1955]蚴及中华背展(恙虫)[G.(W.)chinensis Chen Hsu,1955]蚴又次之,而粤中真棒(恙虫)[Euschongastia centralkwangtunga Mo et al.,1959]仅极偶然地出现,没有发现地里红恙虫(Trombicula akamushi var....

1.1961年10—11月间在沙田地区一个公社范围内挖掘鼠穴223个,捕获鼠398只,包括5种鼠和它的巢穴,其中黄毛鼠(Rattus rattoides exiguus)占大多数,板齿鼠(Bandicotanemorivage)次之。 2.鼠体上寄生的节肢动物有恙虫、(虫穴)蚲和虱子。黄毛鼠、板齿鼠还有褐家鼠(R.norvegicus norvegicus)身上寄生的恙虫蚴,不论从感染率或携带数量看,皆以似太平洋背展(恙虫)[Gahrliepia(Walchia)parapacifica Chen et al.,1956]蚴为优势种,羊城背展(恙虫)[G.(Gahrliepia)yangchenensis Chen & Hsu,1957]蚴次之,太平洋背展(恙虫)[G.(W)pacifica Chen & Hsu,1955]蚴及中华背展(恙虫)[G.(W.)chinensis Chen Hsu,1955]蚴又次之,而粤中真棒(恙虫)[Euschongastia centralkwangtunga Mo et al.,1959]仅极偶然地出现,没有发现地里红恙虫(Trombicula akamushi var.deliensis Walch,1922)。 3.上述三种鼠身上寄生的(虫穴)蚲,不论从感染率或携带数量看,皆以那氏暴螨(Laelapsnuttalli Hirst,1915)为优势种,毛暴螨属(Tricholaelaps Vitzthum,1926)的一种次之,棘暴螨(L.echidninus Berlese,1887)很少,还有一种未能定名的(虫穴)蚲仅出现过2次。 4.鼠体上寄生的(虫穴)蚲可能比恙虫更普遍,数量更多。鼠体上的虱子很少。 5.191份鼠巢内发现的(

 
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