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various periods     
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  不同时期
     In this paper, the distribution parameters of magnitude-frequency in North China during three various periods(1370-1739, 1740-1979, 1370-1979) are given by G-R formula(B. Gutenberg, et al., 1949) and the revised G-R formula(Utsu, 1978).
     本文以G-R式(B.Gutenberg等,1949)及G-R修正式(宇津德治,1978)几种不同方法给出华北三个不同时期(1370—1739,1740—1979,1370—1979)震级频度分布参数。
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     After unified reprocessing of the 18 DSS profile data that are got in various periods in the Capital area,a digital crust model of velocity grid is obtained with sampling density 0.25°×0.25°×(2~5)km.
     通过对首都圈地区不同时期的18条深地震测深(DSS)测线资料的重新统一处理,形成采样网格密度为0.25°×0.25°×(2~5)km的速度网格化数字地壳;
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     The level of specific antibody and IFN-r,IL-2 of the immunized mice in various periods after the infection were higher than that of the control group. The number of CD 4+ and CD 8+T lymphocytes of immunized mice increased ,especially the CD 8+ cells, which reached its highest point in 4 weeks after the infection and the CD 4+/CD 8+ cell ratio gradually decreased along with the infective time.
     在感染后不同时期免疫鼠血清中特异性抗体水平及IFN r、IL 2水平均高于同期对照鼠 ,而且免疫鼠脾CD4 + 和CD8+ T淋巴细胞尤其是CD8+ 细胞的数量在感染早期升高较快 ,至感染后第 4周达高峰 ,两者的比值随感染时间的延长而逐渐下降。
短句来源
     A Teratogenic Study of Exposing Rat Embryos in Culture to Methylmercury for Various Periods
     甲基汞暴露不同时期对大鼠胚胎致畸作用的研究
短句来源
     METHODS: Angiotensin converting enzyme inhibitor (temocapril-HCl, 10 mg·kg -1 ·d -1 ) was administered in various periods after rat arterial injury by balloon catheters. The labeling BrdU indexes of smooth muscle cell and intimal areas were observed.
     方法 :球囊导管损伤大鼠动脉后 ,在不同时期投予血管紧张素转换酶抑制剂 (ACEI) (temocapril-HCl,10mg·kg-1·d-1) ,观察平滑肌细胞BrdU(5 -溴脱氧尿嘧啶尿苷 )标记率和内膜面积。
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  各个时期
     Conclusion The specific antibody of IgM treponema pallidum has high sensitivity and specificity,and hence can be applied in the diagnosis of syphilis in various periods.
     结论梅毒螺旋体特异性IgM抗体检测灵敏度高、特异性强,适用于未经治疗的各个时期的梅毒诊断。
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     Objective To evaluate the significance of IgM treponema pallidum specific antibody in the diagnosis of syphilis in various periods.
     目的探讨梅毒螺旋体特异性IgM抗体检测在各个时期梅毒诊断中的意义。
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     The level of VEGF was higher from day 1 to day 17,peaked at day 11,while decreased at day 19,and decreased to the lowest at day 21.②VEGF mRNA expression in rat ovary was also observed in various periods throughout the stage of pseudopregnancy.
     结果①妊娠大鼠各个时期的卵巢黄体中均有VEGFmRNA的表达,第1~17天表达水平较高,第11天达到最高,第19天后开始下降,第21天降至最低。
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     In chapter two, Cultural Characteristics of Henan Musical Relics from Different Period in History, the author places, on the basis of the first chapter, these relics under their specific cultural background, analyzes their concerning cultural and historical remains and documents, and then elaborates the cultural characteristics of various periods embodied in them.
     第二章“历史上各时期河南音乐文物的文化特征”,是以第一章的研究为基础,将各个时期的音乐文物放在特定时代的文化背景下,通过对相关文化遗存和历史文化知识的了解与分析,进而解读各个时期河南音乐文物的文化特征。
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     Language College Entrance Examination under various periods of the different characteristics of this language from the college entrance examination of the nature, have 30 years of college entrance examination proposition language 1977--1983 divided into four stages: First, the stage is the stage of succession, showing characteristics of the disorder;
     根据各个时期语文高考试题的不同特点,本文从高考语文的性质入手,把30年以来的语文高考命题划分为四个阶段:一是1977——1983年,这一阶段是继承阶段,呈现出无序化的特点;
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  各时期
     ResultsTotal bilirubin concentrations at various periods in the observed group were lower than those in the control group (P<0.05).
     结果各时期处理组的胆红素浓度均较对照组低(P <0 .0 5 ) ;
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     Objective To investigate the gene expressions of IL-10 and TGF-β1 in bronchoalveolar lavage fluid (BALF) and lung tissues in mice with pulmonary fibrosis (PF) in various periods and to study the effects of cytokines on PF.
     目的:探讨博莱霉素致肺纤维化小鼠各时期支气管肺泡灌洗液(BALF)及肺组织中IL10和转化生长因子β(TGFβ1)的mRNA表达规律。
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     The development and construction of the hydro-power in rural area of Zhejiang Province invested with the share holding system in various periods and the establishment and development of the compensation systems of resources,ecology and economy are investigated and analyzed herein,and then the technical characteristics of the projects concerned in each period studied as well.
     分析、研究了浙江省农村水电“九五”、“十五”股份制投资开发建设农村水电,“资源、生态、经济”三大补偿制度的建立和发展,以及各时期水电建设的工程技术特点;
短句来源
     In chapter two, Cultural Characteristics of Henan Musical Relics from Different Period in History, the author places, on the basis of the first chapter, these relics under their specific cultural background, analyzes their concerning cultural and historical remains and documents, and then elaborates the cultural characteristics of various periods embodied in them.
     第二章“历史上各时期河南音乐文物的文化特征”,是以第一章的研究为基础,将各个时期的音乐文物放在特定时代的文化背景下,通过对相关文化遗存和历史文化知识的了解与分析,进而解读各个时期河南音乐文物的文化特征。
短句来源
     By the experiment study with rabbit, the authors clarified IOP changes for various periods after alkaline burn and studied the mechanism related to IOP changes.
     作者通过动物实验,澄清兔眼碱烧伤后各时期眼压的反应,并研究了与眼压反应有关的机制.
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  各个时段
     This program also has function of calculating stress and displacement fields at various periods of tunnel excavatipg and supporting under the actions of seepage field and initial stre ssfield.
     程序中还附有在初应力场及渗流场作用下,计算隧洞分层开挖、分期支护时各个时段应力场及位移的功能.
短句来源
     Using new formulae of moist available energy(MAE),the typhoon T81 08 was studied and its three colnponents of MAE during the various periods were calculated. The resuIts show that the system of typhoon has a high energy,its MAE in the stage ofthe extratropical cyclone is more than that in the stage of the tropical typhoon.
     该文利用新给出的公式计算了1981年第8号台风各个时段的湿有效能量(MAE)及其三个分量,结果发现:台风系统是一个高能体,温带气旋阶段系统的MAE比热带台风阶段的MAE大。
短句来源
     Through analysis of dynamic changes of forest resources in Helanshan mountain during various periods,the law of change of forest resources in Helanshan mountain was clarified and the objective of the struggle for a sustainable development of forest in Helanshan mountain was put forward there on.
     通过对贺兰山各个时段森林资源动态变化的分析 ,弄清了贺兰山森林资源的变化规律 ,并在此基础上提出了贺兰山森林可持续发展的奋斗目标
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    Comparative genomic analysis of Vibrio cholerae El Tor preseventh and seventh pandemic strains isolated in various periods
          
    Genetic organization of 52 Vibrio cholerae El Tor biotype preseventh and seventh pandemic strains isolated in various periods was studied by PCR assay and DNA-DNA hybridization.
          
    Comparative genomic analysis of vibrio cholerae el tor preseventh and seventh pandemic strains isolated in various periods
          
    Genetic organization of 52 Vibrio cholerae El Tor biotype preseventh and seventh pandemic strains isolated in various periods was studied by PCR assay and DNA-DNA hybridization.
          
    Data are presented on the dynamics of leachate (zinc, copper, oil products, paraformaldehyde, and acetone) diffusion into the environment from tire rubber preexposed to seawater for various periods of time.
          
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    Adult male laboratory animals, including 38 mice, 17 rabbits and 8 rats, were dividedinto the experimental and control groups. The control animals were fed with a basic diet,and the experimental animals were fed with the same diet with 1% of condensed leci-thin in addition. They were maintained on the same diet for various periods (mice for10 weeks, rabbits for more than one year, and rats for 25 weeks) and were sacrificed forvarious cytological studies. The following techniques were adopted for the study...

    Adult male laboratory animals, including 38 mice, 17 rabbits and 8 rats, were dividedinto the experimental and control groups. The control animals were fed with a basic diet,and the experimental animals were fed with the same diet with 1% of condensed leci-thin in addition. They were maintained on the same diet for various periods (mice for10 weeks, rabbits for more than one year, and rats for 25 weeks) and were sacrificed forvarious cytological studies. The following techniques were adopted for the study of adrenal cortex: 1) Regaud'sfixing and Altmann-Cowdry's staining methods for mitochondria; 2) Ma's modificationof Kopsch-Kolatchev's method for Golgi apparatus; 3) Carnoy's fixing and Kurnick'sstaining methods for nucleic acids; 4) Carnoy's fixing and hematoxylin-eosin or Mallory'sstaining methods for general morphology; and 5) frozen sections for measuring the nu-clear size. The animals fed with lecithin showed an increase in number and size of mitochon-dria in the adrenal cortical cells. The Golgi apparatus of these cells, as compared withthose of the controls, possessed a more complex network of thicker strands and showeda wider distribution both in the individual cells and through the entire cortex. Thelipoid vacuoles, the nuclear size, and the number of the nucleoli were also increasedslightly in these cells in the experimental animals. In spite of some individual varia-tions, the above changes indicated that the fundamental structures of the adrenal corticalcells were strengthened by feeding the animals with lecithin. The appearance of Golgi apparatus and lipoid substance in the cortical cells andtheir relation to the mitochondria were discussed. The reticular zone of the adrenalcortex is considered as a stratum of very active cells.

    一、本实验共用小白鼠38只,家兔17只,大鼠8只,全部为成年雄性,其中实验组每日喂以浓缩黄豆磷脂,定期杀死取两侧肾上腺,制作线粒体、高尔基体、核酸及冰冻切片标本,观察肾上腺皮貭的细胞形态学变化。二、喂磷脂后发现肾上腺皮貭细胞 1.线粒体的数目和大小有轻微增多增大现象,小白鼠的束状带和网状带以及家兔的交错带较为显著些。 2.高尔基体网架较为粗大,网团范围较广,结构较复杂,对锇酸还原力较强,在皮貭的可见范围较大。 3.类脂貭稍见增多。 4.细胞核较有增大,核仁数目也加多。三、喂磷脂后尽管由于个体或细胞类型的不同,以致它们所表现的结果也不完全相似,但总起来看,对细胞结构都具有一定的加强作用。四、文中对高尔基体和类脂貭在皮貭的出现,以及它们与线粒体的关系进行了讨论。并认为网状带是一层活性很强的细胞。

    The ordering of the alloy AgAuZn2 has been studied by means of X-ray diffracto-metry. The specimens were quenched from 600℃ and subsequently annealed at 100℃ for various periods of time. It was shown that in the quenched condition almost all of the Zn atoms were at their appropriate lattice sites, whereas the Ag and Au atoms were comparatively less readily to occupy their right places. A very short period of annealing at 100?? was sufficient to make all the Zn atoms take their proper positions. The...

    The ordering of the alloy AgAuZn2 has been studied by means of X-ray diffracto-metry. The specimens were quenched from 600℃ and subsequently annealed at 100℃ for various periods of time. It was shown that in the quenched condition almost all of the Zn atoms were at their appropriate lattice sites, whereas the Ag and Au atoms were comparatively less readily to occupy their right places. A very short period of annealing at 100?? was sufficient to make all the Zn atoms take their proper positions. The ordering among Ag and Au atoms proceeded as annealing was continued, the positions of Zn atoms being unaffected.

    本工作是用X射线衍射法观察合金AgAuZn_2的有序化过程。样品首先从600℃淬炼,然后在100℃再经不同时间的熟炼处理。样品在熟炼状态,几乎全部的Zn原子都占据了它们的适宜位置,Ag和Au原子占有适宜位置的几率则较小些。随着熟炼时间的增加,Ag,Au原子作有序的排列,而不影响Zn原子的位置。 在有序畴长大的初期阶段,从不同衍射线所求出的有序畴大小是不同的。但它们随着熟炼长大,最后却几乎达到同一线性大小。原子的有序化和有序畴的长大同时进行,但在有序畴达到稳定大小以前,有序度早已达到了稳定程度。

    A thorough investigation of the Cu-Au system has been taken by means of X-ray diffraction studies. Alloys were annealed at appropriate temperatures for different periods (one month, three months, six months and one year) and slowly cooled down to room temperature, or quenched at 300° and 600℃, with the purpose to elucidate the phases and the phase transformations that might occur. Lattice parameters were accurately determined in order to study their variations with compositions and heattreatments. The stacking...

    A thorough investigation of the Cu-Au system has been taken by means of X-ray diffraction studies. Alloys were annealed at appropriate temperatures for different periods (one month, three months, six months and one year) and slowly cooled down to room temperature, or quenched at 300° and 600℃, with the purpose to elucidate the phases and the phase transformations that might occur. Lattice parameters were accurately determined in order to study their variations with compositions and heattreatments. The stacking periods of the ordered structures with long periods were investigated, particularly in their relations to compositions and temperatures, and by means of quenching alloys after having been annealed for various periods of time, the ordering process near the equiatomic composition was studied.

    本文用X射线衍射的方法全面地研究了Cu-Au二元系合金经不同时间(一个月、三个月、六个月、一年)熟炼后缓冷到室温,以及在300℃和600℃淬炼后的物相与相转变过程;精确地测定了点阵间隔,以研究其随成份和热处理的变迁;探讨了长周期超结构的堆垜周期同成份和温度的关系;并用保持不同热处理时间后淬炼的方法来研究等原子成份处的有序化过程。 在上述的热处理条件下,整个二元系共出现了六种不同的相:α_1是Au在Cu中的固溶体,α_1~′是相当于Cu_3Au的超结构,α_2是Cu在Au中的固溶体,α_2~′是相当于CuAu_3的超结构,k是相当于CuAuⅠ的超结构,k′是相当于CuAuⅡ的超结构。值得注意的是,随着热处理时间的加长,有序区逐渐扩大,二相区逐渐缩小,在一年缓冷的合金,二相区几乎完全消失。因此作者认为:Cu-Au系的二相共存是处于介稳状态,以α_2~′相而论,最清晰的超结构线并不出现在化学计量成份而在68at.%Au。在等原子成份两边所出现的k′相,当合金经一年熟炼之后,一部分又变成了k相,在等原子成份处,k相和k′相的最高转变温度都并不恰好在等原子成份,而在于或小于49at.%Au。 点阵间隔的量度表明:基本单...

    本文用X射线衍射的方法全面地研究了Cu-Au二元系合金经不同时间(一个月、三个月、六个月、一年)熟炼后缓冷到室温,以及在300℃和600℃淬炼后的物相与相转变过程;精确地测定了点阵间隔,以研究其随成份和热处理的变迁;探讨了长周期超结构的堆垜周期同成份和温度的关系;并用保持不同热处理时间后淬炼的方法来研究等原子成份处的有序化过程。 在上述的热处理条件下,整个二元系共出现了六种不同的相:α_1是Au在Cu中的固溶体,α_1~′是相当于Cu_3Au的超结构,α_2是Cu在Au中的固溶体,α_2~′是相当于CuAu_3的超结构,k是相当于CuAuⅠ的超结构,k′是相当于CuAuⅡ的超结构。值得注意的是,随着热处理时间的加长,有序区逐渐扩大,二相区逐渐缩小,在一年缓冷的合金,二相区几乎完全消失。因此作者认为:Cu-Au系的二相共存是处于介稳状态,以α_2~′相而论,最清晰的超结构线并不出现在化学计量成份而在68at.%Au。在等原子成份两边所出现的k′相,当合金经一年熟炼之后,一部分又变成了k相,在等原子成份处,k相和k′相的最高转变温度都并不恰好在等原子成份,而在于或小于49at.%Au。 点阵间隔的量度表明:基本单胞平均点阵间隔同成份的关系是正偏离Vegard定律的连续曲线。在α和α′相区内,α值随Au含量而递增。在Au含量小于等

     
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