1.In view of characteristics of seismic data of gobi-sand dune areas, this paper, through various data-processing means such as quality control, high-pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal-to-noise ratio areas and managed to form the seismic data-processing technique for such complex areas as gobi, foreland and dune.
摘要针对戈壁、沙丘地区地震资料的特点,通过对原始资料进行质量控制、高通滤波、倾角滤波、野外静校正、地表一致性反褶积、精细速度分析、叠前去噪、剩馀静校正多次迭代、叠后去噪和偏后修饰等处理,提高了低信噪比地区地震剖面的资料质量,摸索出了一套戈壁、山前、沙丘等复杂地区地震资料处理技术。
2.The Gobi Altai fault zone is over 1 000 km long along the Gobi Altai Mountains. The preliminary study shows that the left lateral strike-slipping rate of the fault is around 1~2 mm/a.
戈壁阿尔泰山发育的戈壁阿尔泰断裂带断续延伸可达 10 0 0km以上 ,目前的研究认为 ,其滑动速率为 12mm/a。
3.The result indicated that loading march on summer Gobi desert was a intense stress stimulus to soldiers,which was very remarkable during the first two days coming to the Gobi desert.
结果表明,夏季戈壁负荷行军对人员是一种强烈的应激刺激,初进入戈壁行军,前两天反应尤其明显。
4.On basis of parameters of size distribution of soil micro-aggregates and aerodynamic roughness length of various surface land cover types in the north of China, and the DPM model , the saltation fluxes of various land covers such as steppe with tall grass, steppe with low grass, Gobi with big gravel, Gobi with small gravel, loose till with big soil clods, and bare sand land in desert are computed under friction velocity from 0.20 to 1.00 m/s.
根据中国北方不同地表覆盖类型下表土的微团粒粒度分布和粗糙度长度参数,应用DPM模型分别计算了高草覆盖下、低草覆盖下、开垦耕地、砂砾质戈壁、砾质戈壁和裸露沙地在不同摩擦速度时的跃移通量。
5.The results show that the neutral bulk transfer coefficients over desert and Gobi are 2.2×10-3 and 1.6×10-3, respectively. The roughness lengths over desert and Gobi are 4.5-10-3 and 1.7-10-3m, respectively.
结果表明:沙漠和戈壁的中性总体输送系数分别为2.2×10~(-3)和1.6×10~(-3),对应的粗糙度分别为4.5×10~(-3)和1.7×10~(-3)m。 中性总体输送系数随风速无明显变化。
6.The Bowen ratio of oasis is about 1/20 that of Gobi, showing an obvious difference in climatic features between oasis and Gobi.
绿洲的 Bowen比大约是周围荒漠戈壁的1/20, 相差一个量级, 这说明绿洲和周围荒漠的气候特征相差十分明显.
7.In the paper, turbulent energy dissipation rate e and temperature variance disssipation rate N have been analysed by using turbulent energy spectrum theory in inertial subrange in the Gobi desert region.
本文在分析戈壁地区湍流能谱特征的基础上,利用惯性副区有关规律,对湍流能量耗散率ε和温度脉动耗散率N作了初步研究,得到无因次湍流能量耗散率(?) _E为 无因次温度脉动耗散率(?)
8.The fragile environment of gobi desert was destroyed because of mining work.
采矿在不同程度上破坏了戈壁滩原本脆弱的生态环境。
9.PRELIMINARY EXPERIMENTAL STUDY OF NEW GEOCHEMICAL EXPLORATION METHODS FOR GOLD PROSPECTING IN THE AREA OF GOBI COVERING AREAS
戈壁覆盖区化探新方法找金初步试验研究
10.Using the data of aerosol particle number concentration(APNC) observed over Gobi desert and oasis crop land in Dunhuang in spring of 2002,the relationship of APNC with dusty weather,spectrum distribution characteristics and differences of APNC over the two surfaces are analyzed in this paper.
利用2002年春季在敦煌地区戈壁沙漠和绿洲农田观测的大气气溶胶粒子数浓度资料,分析了它与沙尘天气的关系、谱分布特征以及两种地表下粒子数浓度的差异。