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    A METHOD OF FREQUENCY STABILITY MEASUREMENT WITHOUT FREQUENCY STANDARD
    在没有标准频率信号源的情况下测量振荡器频率稳定度的一种方法
    REDUCED LARGE-N LATTICE GAUGE THEORY WITHOUT SPONTANEOUS SYMMETRY BREAKING
    没有自发破缺的约化大N格点规范理论
    Planning without Facts: A Framework for Economic Evaluation of the Three Gorges Project
    在没有具体资料的情况下谈规划:关于三峡水坝工程经济评价的设想(摘要)
    AR 5060: An Ative Region with Large Comeplex Sunspot group but without intense flares
    AR5060——具有复杂结构的大黑子但没有大耀斑发生的太阳活动区(英文)
    EXISTENCE OF SOLUTIONS OF TWO-POINT BOUNDARY VALUE PROBLEMS FOR FOURTH-ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITHOUT GROWTH RESTRICTIONS
    没有增长限制条件的四阶非线性方程两点边值问题解的存在性
    The First Step Towards“Library Without Roof”
    向“没有屋顶的图书馆”迈出的第一步
    The analyses of B4C/Al composite by using the fracture SEM and the back-scattering equipment show that, the microstructure of B4C/Al composite prepared by pressureless infiltration technology is more evenly distributed and compacted without large size defects of microstructure.
    B4C/Al复合材料经扫描电镜和背散射仪分析后发现,无压浸渗法制备的B4C/Al复合材料中没有大尺寸的显微缺陷,组织分布比较均匀、致密;
    Methods A case-control study was conducted. 268 BP patients and 268 workers occupationally exposed to benzene without poisoning manifestations were investigated.
    方法采用病例-对照研究,以268名苯中毒工人为病例组,268名接触苯而没有中毒表现的工人为对照组。
    【Results】The levels of vitamin A in the plasma in the exposed group were showed to alter but without significance(P>0.05),while the retinol-binding protein had been exhibited to increase with marked significance(P<0.01).
    【结果】与对照组相比,暴露组血浆中维生素A含量有所升高但没有统计学意义(P>0.05),而视黄醇结合蛋白的水平出现明显的上升且具有统计学意义(P<0.01)。
    Uncontaminated asthenosphere (or plume) -generated continental basaltic rocks are normally characterized by (Th/Nb)N<1, Nb/La≥1, low 87Sr/86Sr(t) ratios, high εNd(t) values, similar La/Nb and La/Ba ratios to ocean island basalts (OIB) and “hump-shaped” mantle-normalized multi-element patterns without negative Nb, Ta and Ti anomalies.
    没有受到混染的软流圈(或地幔柱)源大陆玄武质岩石通常是以(Th/Nb)N<1、Nb/La≥1、低87Sr/86Sr(t)比值、高εNd(t)值及La/Nb和La/Ba比值与洋岛玄武岩相似并以具有缺乏Nb、Ta、Ti负异常的“隆起”状多元素地幔标准化分配型式为特征。
    The results show that Z-DNA appears at 2.3 mol/L salt concentration without any external forces and torques exerting on it.
    结果表明:在没有外力和外力矩的情况下,盐浓度达到2.3 mol/L时,Z构象开始出现,与实验结果一致.
    Results The insulin level and growth rate of NIT cells transfected with WeelHu gene or without transfection were observed at the same time, and no significant differences between both groups were found (P>0.05).
    结果转染WeelHu基因与未转染的NIT细胞胰岛素的分泌和生长速度没有明显变化(P>0.05)。
    It is showed that the reinforcements of composites are TiB and Nd2O3which are distributed uni-formly in the composite. The interfaces between reinforcements of TiB,Nd2O3and Ti matrix are clear without any interfacial reaction.
    结果显示,原位合成的复合材料中,增强体为TiB与Nd2O3,它们均匀分布在Ti基体中,与基体之间没有发生显著的界面反应。
    In mode 1: rainwater is not considered,and groundwater is exploited only for lake; the total yield of 14 wells is 274×104 m3/a,and that of every well is equal; water level drawdown is little(only 1~2 m) without cone of depression,and this would lead to soil salinization.
    开采工况1没有考虑雨水利用,开采地下水仅满足湖水景观用水,14口井均匀开采,地下水开采量为274×104m3/a,无降落漏斗出现,水位降深较小(1~2 m),可能会导致湖体周边土地盐渍化现象产生;
    When oxygen content reached 5% and 8%,the absorption capacity of NO decreased about 50% and 31% respectively comparing with the results without oxygen.
    经测定,当O2的体积分数为5%和8%时,FeⅡ(EDTA)溶液对NO的吸收容量分别为没有氧气作用时的50%和31%;
    Under treatments of 1, 10 and 50 mg·kg-1 B[a]P, the degradation rates of B[a]P with ryegrass were 90.3%, 87.5% and 78.6% , while, which were 79.3%, 66.4% and 55.6%, without ryegrass, respectively.
    而没有黑麦草生长土壤中苯并[a]芘的降解率则为79.3%、66.4%、55.6%。
    Society cannot develop without personal ability development,which in turn must conform to social development trend.
    另一方面,社会发展又是推进个人发展的驱力。 没有个人能力的发展不可能有社会的发展,而个人能力的发展又必须顺应社会的发展趋势。
    The rate of complicatiom of group A was higher than that of group B without statistical significance (P >0.05).
    两组毒性反应率和并发症发生率基本没有差异(P>0.05)。
    Simulation results show that the presented method can accurately construct the inverse dynamic model of the continuous nonlinear system even without prior knowledge about the controlled plant.
    仿真结果表明,在没有被控对象先验知识的情况下,利用该方法能准确地建立连续非线性系统的逆模型.
    Moreover, it shows that with air vents opened to 20%, 60% and 100%, the arc can arrive in the splitter plates successfully under 10mT magnetic field without restriking.
    此外,还发现当磁场为10mT时,在出口面积分别为20%、60%和100%3种情况下电弧均可以顺利到达栅片,在运动的过程中没有电弧重击穿现象的发生。
 

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