查询词典 glacial epoch
- 与 glacial epoch 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At last. on the basis of comprehensive studies of the glacial, lake, periglacial phenomena .palaeosols and paleontology in the research areas. the late stadial of the Last Glaciation can be divided into three periods: the early phase, 25000-20000a. B. P.. with the cold and wet climatic conditions; the middle phase, the full of last glacial maximum. 20000-16000a. B. P., with the cold and dry climatic conditions; and the late phase, 16000 10000a. B.P., with the warm and dry climatic conditions besides the Younger Dryas event.
最后,根据对研究区的冰川、湖泊、冰缘现象、古土壤和古生物等在末次盛冰期中的发育、演化状况的综合分析,把末次盛冰期大致划分为三个阶段:早期,25000-20000a.B.P。,气候条件主要表现为冷湿;中期,20000-16000a.B.P。,气候条件主要表现为冷干;晚期16000-10000a.B.P,气候条件主要表现为温干,但Younger Dryas事件也有反映。
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Results Qidan Granules could relieve the pain caused by glacial acetic acid and heat stimuli; significantly inhibit the oxytocin-induced dysmenorrheal in mice; It also showed obvious inhibitory effects on the increased capillary permeability induced by glacial acetic acid, carrageen-induced toe edema in rats and dimethylbenzene-induced ear swelling in mice, and cotton pellet-induced granuloma formation in rats. It could also significantly inhibit oxytocin-induced dysmenorrhea in mice.
结果 奇丹颗粒能明显抑制乙酸和热刺激所致的小鼠疼痛反应;对缩宫素所致实验性痛经小鼠具有良好的镇痛作用,对乙酸所致小鼠腹腔毛细血管通透性增高以及大鼠角叉菜胶足趾肿胀、二甲苯所致小鼠耳廓肿胀、大鼠棉球肉芽肿等急慢性炎症模型均有明显抑制作用。
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Researchers used the features of glacial erosional and sedimentary landforms as well as the differences of the glacial tills in chemical and physical weathering to determine the ages of Quaternary glaciations .
1引言20世纪70年代及其以前,我国第四纪冰川的年代主要是采用相对年代法确定,即采用冰川侵蚀地貌和沉积地貌,冰碛物化学和物理风化程度差异来划分第四纪冰期[1~3]。
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The only current ice sheets are in Antarctica and Greenland ; during the last glacial period at Last Glacial Maximum the Laurentide ice sheet covered much of Canada and North America, the Weichselian ice sheet covered northern Europe and the Patagonian Ice Sheet covered southern South America.
格陵兰冰原将全岛覆盖,仅在狭窄的边缘有少量岩石露出。因为动、植物贫乏,故有人将格陵兰的冰原称为&冷荒漠&。南极洲冰原不但将全陆地覆盖,而且有些地方扩大至海上。冰原的厚度有些地方可达数千米。
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The distribution of glacial-erosion traces on the roche moutonnee has fair regularity, that is to say the long-straight striations were often formed on the top of stoss side and the crescentic scars, crescentic wedges, chatter marks and shorted striations on the end of stoss side and striation of many groups on the flanks, which can show the condition of glacial division-flow.
迎冰面的顶部为长度大且平直的擦痕,尾部为新月型裂纹,新月型凿口,颤痕和较短的擦痕;侧部常有多组擦痕,它可指示冰川分流的情况。
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Five chalcones were synthesized via the aldol condensation reaction of acetophenone or parasubstituted acetophenones with 1-phenyl-3-methyl-5-phenoxyl-pyrazol-4-aldehyde, which reacted with two kinds of hydrazine in glacial acetic acid under refluxing to give a series of bipyrazoline derivatives. In this synthetic course, glacial acetic acid is not only a solvent, but also a catalyzer.
以1-苯基-3-甲基-5-苯氧基-吡唑-4-甲醛为原料,与苯乙酮发生羟醛缩合,生成相应的查尔酮,再在冰醋酸中与不同的肼反应,高产率的合成出10种新的5位含1-苯基-3-甲基-5-苯氧基-吡唑基的吡唑啉类衍生物。
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The invention relates to a fabric nanometer following cleaning agent for obtaining TiO2/ZnO composite hydrosol, and relative production and cleaning method, wherein it uses butyl titanate and zinc acetate as predecessor, uses glacial acetic acid as catalyst and peptizer, uses water as solvent, uses absolute ethyl alcohol as the solvent of butyl titanate, and uses ethanolamine as deposit agent and supplies OH-, to be hydrolysed and polycondensated to form TiO2/ZnO composite hydrosol. And its components and mass percents are: butyl titanate at 1-15%; zinc diethyl at 1-12%; absolute ethyl alcohol at 1-20%; glacial acetic acid at 5-15%; and aminoethyl alcohol at 0.1-5%, and the left is water. The invention has lower cost and simple process.
本发明涉及一种可以得到TiO 2 /ZnO复合水溶胶的纺织品纳米后整理试剂及其制备工艺及对织物的整理方法,以钛酸丁酯和乙酸锌为前驱物,冰乙酸为催化剂和胶溶剂,水为溶剂,无水乙醇为钛酸丁酯的溶剂,乙醇胺为沉淀剂并提供OH -,经过水解、缩聚反应形成的TiO 2 /ZnO纳米溶胶整理剂,其组分和重量百分比含量如下:钛酸丁酯占1~15%;二水乙酸锌占1~12%;无水乙醇占1%~20%;冰乙酸占5%~15%;乙醇胺占0.1%~5%;水余量,具有耐洗性、无毒、无刺激、成本低廉、制作工艺简单可靠的优点,可实现对对织物的抗紫外、抗菌、抗静电功能整理。
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The down core changes of Florisphaera profunda percentage content implied that the thermocline was shallower in glacial periods and deeper in interglacial periods, which might be the direct controlling factors of WPWP productivity changes. It is speculated that the glacial-interglacial fluctuation of the depth of thermocline was induced by the super-ENSO variation.
钙质超微化石下透光带属种Florisphaeva profunda百分含量指示的温跃层深度变化表明冰期温跃层浅、间冰期温跃层加深,这说明类ENSO式变化导致的冰期-间冰期温跃层深度波动可能是MIS7期以来暖池核心区古生产力在冰期高而在间冰期显著降低的直接控制因素。
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Geological evidence for ice ages comes in various forms, including rock scouring and scratching, glacial moraines , drumlins , valley cutting, and the deposition of till or tillites and glacial erratics .
冰河地质证据来多种形式,包括岩石冲刷和刮、冰川地貌、drumlins,河谷切割、沉积、冰川erratics起至或新元。
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More : glacier, glacial river, glacier stream, ice stream, glacial stream
结冰的河流。2。即冰川。福斯特先生和他的向导进入了冰河地区。
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- 推荐网络例句
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Dixie itself is a nickname for the American South.
Dixie 本身是美国南部的别称。
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I think John Terry epitomises that and a big reaction is what we will be looking for.
而我认为特里就是这样一个典型,他正是我们期望看到的那个领秀。
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It has been shown that in the design of hull forms for such high block coefficient ships, the attention must be payed to resistance performance both in the full load and ballast conditions.
在此基础上,探讨肥大船型的权衡设计,并认为在肥大船型设计时应同时兼顾满载和压载航行状态的阻力性能。