采集贵州省龙里林场马尾松密度试验林15年生马尾松木材,5种造林密度,研究造林密度对马尾松管胞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.
结果表明,造林密度对马尾松管胞形态总平均值影响不大,方差分析不显著;
The results show that the average value of tracheid form can not be affected by the planting density through variance analysis .
讨讼色泊松噪声驱动系统,利用统一色噪声近似方法,得到系统几率密度主方程,定态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.
结果:同种异体松质骨愈合时的骨密度值、最大弯矩、平均骨小梁厚度逐渐上升。
Results: Bone mineral density, maximal bending moment and mean trabecular thickness of graft were found to have been increasing constantly.
在高膨松性非织造布的体积密度范围内,有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.
一地塞米松扫描是一种无痛性测试,检测的密度骨头。
A DEXA scan is a painless test that detects the density of bones.
结论:中药骨松康胶囊能够增加骨密度,改善微循环,对更年期综合征患者有明显的治疗作用。
CONCLUSION: Traditional Gusongkang capsule can increase bony density and improve microcirculation, and has obvious curative effect in patients with climacteric syndrome.
初植密度对落叶松人工林的纤维形态特征、物理特征及化学特征有重要的影响,除生长轮宽度外,其它各指标差异显著;
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.
该钼粉的流动性好、松装密度高、粒度分布适当,并且在自动成形过程中具有自润滑作用。
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.
结果表明:通过控制工艺参数可以获得镀覆质量好,且具有很好导电性和低松装密度的片状锡包铜粉产品。
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.
早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量,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.
本文研究了浙江省松阳县关山源地区黄山松种群的密度与生物量动态以及它们之间的相互关系。
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.
采用热压、水煮和汽蒸对云南松人工林的云南松材进行了处理,对经处理的云南松材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.
还原铁粉的松装密度、流动性、压缩性的测定及筛分析分别GB1479、GB1480、GB1481、GB1482进行。
Return to the apparent density, loose powder liquidity, the determination of compressibility GB1479, respectively and sieve analysis GB1480, GB1481, GB1482.
分析了白皮松的群落学特征、径级结构及其密度变化规律;绘制了存活曲线和死亡曲线,从多角度研究了白皮松幼林种群的动态变化规律。
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.
用计算机模拟试验的方法,对杉木和马尾松平均树高、平均胸径及最大密度的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.
本文研究了东北红松、落叶松和黄花落叶松的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.
研制以意杨、马尾松混合材为原料生产地板用薄型高密度纤维板。
The development of thin high-density fiberboard which made of mix material Populus and Pinus massonia was studied in the paper.
结果重组人生长激素显著增加骨质疏松大鼠的骨密度,对改善松质骨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.
目的选择性雌激素受体调节剂对去势大鼠松质骨、皮质骨骨密度的影响。
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.
结论强骨宝对去卵巢大鼠骨质疏松症的作用,从骨形态计量参数变化上看能促进骨形成,抑制骨吸收,增加松质骨的密度;
ConclusionThe cancellous bone density of OVX rats can be evidently improved by increasing bone formation and inhibiting the endocortical bone resorption.
正如MAD说,项目创始人马岩松设计的核心理念是:在高密度的城市将自然和社区结合进居住环境。
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."
落叶松和软木松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,其次是抗压强度,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.
海峡大陆架,是由木材或中密度纤维板,用白色装饰,黑色装饰,天然松整理等。这些跨国货架上很容易安装在数分钟后,跟所有的硬件设施。
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.
模型包括离子连续性方程、动量方程和泊松方程,特别是提出了可以自洽地决定绝缘基板表面电势、表面电荷密度和鞘层厚度关系的等效电路方程。
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.
测定了煤灰的松装密度和煤灰中铀浸出率。
The apparent densities and uranium extractions of ash products are determined.
测定了煤灰的松装密度和煤灰中铀浸出率。
The apparent densities and uranium extractions of ash products are determined.
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