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hot weathering
相关语句
  相似匹配句对
     HOT
     热报!
短句来源
     The Hot Spots
     热点
短句来源
     Development on Making B490NQ Hot Rolled Weathering Steel
     热轧耐候钢板B490NQ的研制
短句来源
     ON THUNDERSTORM WEATHERING
     论雷暴风化作用
短句来源
     the damp and hot climate which is favourable to the weathering of the ore-bearing mother rock;
     有利于含矿母岩风化的湿热气候;
短句来源
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The microstructure of quartz surface and clay in the red boulder clay of Lu Shan is characterized by fracturing structure formed under pressure effect and unsorted sharp-edged fragments with conchoidal fracture and wearing surface. These are all regarded as marks of glacial action. The dissolution and precipitation on surfaces of quartz sand and existence of newly formed clay minerals show that the red boulder clay has experienced the tow stages: accumulation and postaccumulational damp-hot weathering....

The microstructure of quartz surface and clay in the red boulder clay of Lu Shan is characterized by fracturing structure formed under pressure effect and unsorted sharp-edged fragments with conchoidal fracture and wearing surface. These are all regarded as marks of glacial action. The dissolution and precipitation on surfaces of quartz sand and existence of newly formed clay minerals show that the red boulder clay has experienced the tow stages: accumulation and postaccumulational damp-hot weathering. The latter stage lasted a longer period, accompanied by violent weathering and being an important period of laterization and formation of Quaternary weathering-eluvial ore deposits in China.

庐山红色泥砾层中土和石英砂的微结构特征,具有力作用形成的碎裂结构;未经分选滚动的尖棱角状;以及砂粒表面的贝壳断口和刻蚀痕迹等,这些均是冰川作用的标志。石英砂表面的溶蚀与沉淀,以及新形成粘土矿物的存在,说明红色泥砾经历了堆积和堆积后的湿热风化两个阶段。后一阶段历时长,风化剧烈,也是我国重要的红土化作用时期和第四纪风化淋滤型矿床的形成时期。

Since the 1930's, the problem of the Huangshan Quaternary sedimental environment has been argued. J. S. Lee (1936) had even suggested that the Huangshan had a paleo-glacier history and paleo-glacial landform as well as paleo-glacial deposits during Quaternary. However, according to the analyses of 17 samples from Xiaoyaoxi, profile,Huangshan Mountain, the authors obtained the following new results and discoveries:1. Size parameter and C-M map show, most of the sediments have not been reformed more a new place...

Since the 1930's, the problem of the Huangshan Quaternary sedimental environment has been argued. J. S. Lee (1936) had even suggested that the Huangshan had a paleo-glacier history and paleo-glacial landform as well as paleo-glacial deposits during Quaternary. However, according to the analyses of 17 samples from Xiaoyaoxi, profile,Huangshan Mountain, the authors obtained the following new results and discoveries:1. Size parameter and C-M map show, most of the sediments have not been reformed more a new place for sedimentation. This phenomenon indicates that there was a proximal and diverse depositional environment here. 2. By using volumetric analysis method to test thee Fe3+ and Fe2+ contents of the samples, the Fe3+/ Fe2+(formula: tpaleo-temperature; T-local present mean annual air-temperature; M-difference of Fe3+/ Fe2+ between single sample and mean value; X-mean value of all samples for Fe3+ / Fe2+) the data did not show the lowest annual air-temperature during Quaternary to reach below 0℃, in fact, the lowest value was 11.42℃, and the highest was 20.29℃. Gladers, therefore, could not have developed here. 3. By using ICP-AES method, the leachingof CaO for the profile is stronger than the loess-land. The oxide ratio here shows that in most cases the higher annual mean air-temperature is synchronous with the pluvial period,contrary to the lower annual air-temperature. 4. Pollen assemblage reveals at least that the place had undergone the sedmentary environment, i.e from warm→cool dry→humid hot during the Mid-pleistocene. 5. Illite (d001) X ray diffraction indicates that open index Ns is gradually increscent (1.4-1 .6) from lower to upper on the profile; conversely for the ratio index (Hw: 2.3-1.95) of long and width, this illustrates that the weathering intensity has a gradual increscent trend. 6. Both panning and scanning electron microscope reveal that the surface of magnetite and epidote in the samples have stronger solution phenomena, which confirms that the place had undergone the humid-hot weathering enviroment during the Mid-Pleistocene. 7. Paleomagnetic dating finds that the profile belongs to Brunhes normal epoch, its stratigraphical time table should be Q2-Q4. 8. In the strata of the Q2, Q3 and the Q4, most low susceptibility values are correspondence with the fine grain size of the samples, on the contrary for their high susceptibility values. Comprehensive an,alyses of susceptibility and granularity, etc. show that the place had undergone the environments of humid-hot, dry-hot, and warm-dry, warm-humid as well as dry-cool during the Mid-Pleistocene; periglacial slope-gravity deposition for the Late-Pleistocene, and humid-hot slope deposition (sliderock) for the Holocene epoch.

根据对黄山逍遥溪剖面17个样品的分析,得出下述见解:1.粒度参数和CM图象反映,该处沉积物大都未经改造就进入新环境,反映了近源沉积和多变的环境.2.Fe3+/Fe2+含量测定表明,该处第四纪期间最低年均气温并未低于0℃,因此不具备冰川发育的条件.3.该剖面CaO的淋溶强于黄土发育区,氧化物比值反映出多数情况下较高年均气温与多雨期一致,反之亦然.4.孢粉样品揭示中更新世至少经历过从温暖→干凉→湿热的沉积环境.5.伊利石(d001)衍射峰显示:开形指数Ns值自下而上逐渐被动增大,长宽比Hw指数正相反,表明风化度有逐渐增大的趋势.6.重矿和扫描电镜分析均发现磁铁矿和绿帘石表面的强烈溶蚀现象,证实了中更新世经历过湿热风化沉积环境.7.古地磁测试发现该剖面主要属布容正极性世,地层年代应属Q2-Q4。8.磁化率、粒度等综合分析表明:该处在中更新世既经历过湿热和干热过程,也有过暖千与暖湿及干凉环境;晚更新世以冰缘坡面重力堆积环境为主控新世以湿热坡积环境为主.

Four kinds of hard plastics of packaging case were tested with hot weathering chamber for one month. The impact strength of the materials was chosen as index of judgment and the storage life of the material in room temperature was predicted with regression methods.

用热老化箱对 4种塑钢包装箱用材进行了为期 1个月的热老化试验 ,以材料的冲击强度作为判据指标 ,通过回归处理外推得到其常温下的贮存寿命预测评估结果。

 
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