• 采集贵州省龙里林场马尾密度试验林15生马尾木材,5造林密度研究造林密度对马尾形态及其径向变异的影响。

    The tracheid form and radial variance were studied for 15 years Masson pine plantations with five different planting densities in Longli, Guizhou.

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  • 结果表明造林密度马尾管胞形态平均值影响不大方差分析显著;

    The results show that the average value of tracheid form can not be affected by the planting density through variance analysis .

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  • 讨讼噪声驱动系统,利用统一色噪声近似方法,得到系统几率密度方程几率分布函数及其极值方程。

    By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived.

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  • 结果:同种异体愈合时的骨密度值、最大弯矩平均小梁厚度逐渐上升。

    Results: Bone mineral density, maximal bending moment and mean trabecular thickness of graft were found to have been increasing constantly.

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  • 非织造布体积密度范围内空气对流传热机理存在。

    There exists a heat transfer mechanism of air convection in the range of bulk density of high loft nonwoven fabrics.

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  • 地塞米扫描一种无痛性测试检测密度骨头

    A DEXA scan is a painless test that detects the density of bones.

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  • 结论中药胶囊能够增加密度改善微循环,对更年期综合征患者明显治疗作用

    CONCLUSION: Traditional Gusongkang capsule can increase bony density and improve microcirculation, and has obvious curative effect in patients with climacteric syndrome.

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  • 密度落叶人工林纤维形态特征物理特征化学特征重要影响生长轮宽度外,其它指标差异显著

    Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.

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  • 流动性密度粒度分布适当并且自动成形过程具有润滑作用

    The molybdenum powder has good flowability, high apparent density and appropriate particle size distribution and has the self-lubricating action in the process of the automatic forming.

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  • 结果表明通过控制工艺参数可以获得质量,且具有导电性密度片状产品。

    The results indicate that good coating quality tin coated flake Cu powder with well electric conductivity and loose specific gravity can be obtained by controlling technological parameters.

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  • 早霜、晚霜、毛虫、叶蜂落叶早期落叶病等都直接影响鞘蛾食物质量数量进而间接地使鞘蛾种群密度降低

    Early and late frost, Dedrolimus superans, sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density.

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  • 本文研究浙江省阳县关山源地区黄山种群密度生物量动态以及它们之间相互关系。

    This study was carried out at Guanshanyuan, Songyang County, Zhe-jiang Province. Density and biomass dynamics as well as their interrelationship for Pinus taiwanensis populations are described.

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  • 采用热压水煮汽蒸云南人工林云南材进行了处理,对经处理的云南剖面密度进行了测定

    Timber of Yunnan pine from plantation was treated with hot pressing, water boiling and steaming, the profile density of treated timber was determined.

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  • 不同年龄组皮质密度年丢失率无差异(P>0.05)。

    The loss rate of BMC value was similar between cancellous bone and cortical bone (P > 0.05).

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  • 还原铁密度流动性压缩性测定分析分别GB1479、GB1480、GB1481GB1482进行

    Return to the apparent density, loose powder liquidity, the determination of compressibility GB1479, respectively and sieve analysis GB1480, GB1481, GB1482.

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  • 分析白皮群落特征、径级结构及其密度变化规律;绘制存活曲线死亡曲线,从多角度研究了白皮幼林种群动态变化规律。

    The community feature, size-class structure, the regulation of changing density were analyzed and the survival curve, the death curve and the life table were worked out.

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  • 计算机模拟试验方法,杉木马尾平均树高、平均胸径最大密度数学模型的预报有效性进行检验。

    This paper deals with the effectiveness of H-HA models, D-H models and maximum density-D models of Chinese fir and Masson pine, making use of computerized simulation tests.

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  • 本文研究了东北落叶黄花落叶木材密度和顺纹抗压强度的变异。

    Pinus koraiensis, Larix gmelini and Larix olgensis are the species of the most important timber in northeast of China.

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  • 研制意杨马尾混合为原料生产地板薄型密度纤维板

    The development of thin high-density fiberboard which made of mix material Populus and Pinus massonia was studied in the paper.

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  • 结果重组生长激素显著增加骨质大鼠的骨密度,对改善骨量及骨结构参数都有显著作用。

    Results Recombinant human growth hormone significantly increased bone mineral density and improved the cancellous bone volume and trabecular bone architectures.

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  • 目的选择性雌激素受体调节剂对去势大鼠、皮质骨密度影响。

    AIM to discuss the influence of selective estrogen receptor modulator (SERM) on bone mineral density loss in cancellated bone and compact bone of ovariectomized rats.

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  • 结论强卵巢大鼠骨质症的作用,骨形态计量参数变化上看促进形成抑制骨吸收,增加质骨的密度

    ConclusionThe cancellous bone density of OVX rats can be evidently improved by increasing bone formation and inhibiting the endocortical bone resorption.

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  • 正如MAD项目创始人马岩设计核心理念是密度城市自然社区结合居住环境

    As MAD says, the project "demonstrates founder Ma Yansong's core design philosophy: to coalesce nature and community into a living environment among high-density cities."

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  • 落叶软木木材随着腐朽程度的加重,力学性能迅速衰减,其中抗弯强度降低最为明显其次是抗强度,密度变化最小

    Wood density and mechanical properties were rapidly decreased with the increasing decay for larch and pine timber, the most is MOR, then crushing strength, and the density is the smallest.

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  • 海峡大陆架,是木材密度纤维板白色装饰黑色装饰,天然整理这些跨国货架上容易安装分钟后所有硬件设施

    Cross shelf, made from wood or MDF, with white finish, black finish, pine natural finish and so on. These cross shelves are easy to install in a few minutes, come with all hardware.

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  • 模型包括离子连续性方程、动量方程方程,特别是提出了可以自洽决定绝缘表面电势、表面电荷密度厚度关系等效电路方程。

    The equivalent circuit model gives the instantaneous relationship between the sheath thickness and the surface potential at an insulating substrate placed on the pulse-biased electrode.

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  • 测定煤灰密度煤灰中铀出率。

    The apparent densities and uranium extractions of ash products are determined.

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  • 同时指出了密度临界堆料高度影响

    The effect of apparent density on the critical feed height is given as well.

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  • 同时指出了密度临界堆料高度影响

    The effect of apparent density on the critical feed height is given as well.

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