银翘散加减治疗耳鼻喉科疾病验案举隅          下载免费PDF全文

郑妍妍  谯凤英 《应用海洋学学报》2018,34(12):78-79

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影响全球气候的“圣婴”     

高士英  肖琢静 《海洋世界》1994,(5)

厄尔尼诺现象厄尔尼诺现象是东太平洋沿岸厄瓜多尔南部和秘鲁北部沿海发展起来的较弱和暖的向南流动的洋流,这种现象一般发生在每年圣诞节前后,因此当地渔民称之为“圣婴”(西班牙语Elnino)。50年代以前,只有当地的渔民对此比较关心,因为暖洋流破坏了生态平衡,海中鱼类赖以生存的浮游生物由于海水温度的升高而无法繁殖,导致一些鱼类缺乏食物大量死亡,以鱼为生的海洋鸟类也遭厄运,渔民及  相似文献   

用零交叉点法自动综合曲线     

Thapa.  K 冯锡昌 《测绘译丛》1989,(6):43-48,5

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Foreword     

D.X.HU 《中国海洋湖沼学报》2004,22(3):J001-J002

Ocean circulation in the Yellow and East China Seas is very rich in mesoscale phenomena, such as eddies, fronts, upwellings, river plumes, etc. Among others, having drawn tremendous attention from oceanographic community in the past for nearly 50 years are mainly the Yellow Sea Cold Water Mass (YSCWM) and its related circulation, the Yellow Sea Warm Current (YSWC), the East China Sea  相似文献   

Influence of the Choice of Core-Envelope Transition Point on the Binary Merger of Two Main-sequence Components     

Xue-Fei Chen  Zhan-Wen HanNational Astronomical Observatories  Yunnan Observatory  Chinese Academy of Sciences. Kunming  Graduate School of the Chinese Academy of Sciences  Beijing 《中国天文和天体物理学报》2005,5(1):65-76

We have studied the influence of different choices of core-envelope transition point on the final merger of contact binaries with two main-sequence components. A binary of 1.00 + 0.90M⊙ with an initial orbital period of 0.35d is examined. The mass fraction of the primary mixed with the matter of the secondary, qmix, determined by the chosen core-envelope transition point, ranges from 0.04 to 1.00 in our analysis. If as qmix< 0.8, none of the  相似文献   

Geochemical survey of thermal system in Northeast China and their geothermometric characters     

MohammedHazaea HUKe MohammedMattash CHENBing M.O.AI-JabaliAref MohammedAbdussalam 《东北亚地学研究》2004,7(2):181-184

The chemical composition of several thermal springs around Changbaishan area has been investigated. Cenozoic basaltic rocks are widely distributed in Northeast China and geothermal characteristics have been described. About one hundred hot springs exist around Changhaishan Volcano at the border between China and D.P.R.Korea with high temperature about 82~C. The pH values of the spring water range from 6.9 to 7.1 and the total flow rate is about 4.8 L/sec. The chemical composition of the thermal springs is sodium carbonate; the high-mineral contents of thermal water are believed to have medicinal properties. Bathhouses are already built along the hot springs to take the advantage of the supposed healing properties. The high quality of those hot springs is believed to be utilitized for mineral water. The chemical equilibrium temperatures were estimated at about 160℃ based on the Na-K-Ca geochemical thermometer.  相似文献   

Size-Flux Relation in Solar Active Regions     

O.V.Chumak 《中国天文和天体物理学报》2003,3(2):175-182

We present a study of the relationship between integral area and corresponding total magnetic flux for solar active regions. It is shown that some of these relationships are satisfied to simple power laws. Fractal examination showed that some of these power laws can not be justified inside the simple models of stationary magnetic flux tube aggregation. All magnetic fluxes and corresponding areas were calculated using the data measured with the Solar Magnetic Field Telescope of the Huairou Solar Observing Station in Beijing.  相似文献   

Isolation of Protoplasts from Undaria pinnatifida by Alginate Lyase Digestion     

HU Xiaoke  JIANG Xiaolu*  GUAN Huashi Fishery College  Ocean University of China  Qingdao  P..R.China 《中国海洋大学学报(英文版)》2003,2(1)

1　Introduction　Protoplastsserveasabasicandversatiletoolforge neticengineeringandbiochemicalresearchforseveralreasons :theymayregeneratetheirwallsandprovideamodelsystemforstudyingwallbiogenesis ,theirlysisprovidesagentlemeansofpreparingsubcellularor ganelles ,andthemembraneexpositionallowsgeneticmanipulationsinvolvingfusionoruptakeofnucleicacidstobepossible .Theseadvantagesarelessachiev ablewhenusingintactcells (Liciaetal.,1999) .Incomparisonwithlandplantsandunicellularalgae ,on lylimitedrepo…  相似文献   

不同景观条件下机械剥蚀与化学剥蚀间之比     

А.П.杰德科夫  В.И.莫兹执林  А.Н.沙里福林  宋广生  李秀英 《地理科学进展》1985,4(4):1-7

机械剥蚀和化学剥蚀的数量是地形形成变化的主要指标,早在上一世纪末就已开始对其进行定量评定。通常,评定剥蚀的基础是离子径流和悬移泥沙径流。当认为这种方法是最客观和最精确时,还必须指出其极大局限性,这种局限性首先是由于机械剥蚀物和化学剥蚀物的形成与搬运的不同机制的缘故。  相似文献   

地震学家认为加州还会有地震     

布莱.  S 梁凯利 《地震科技情报》1992,(12):14-15

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