quaterna相关论文
In the modern ocean, deep water is mainly produeed in the Atlantic and flows to thePacific. But during glacials deep wa......
Middle and late pleistocene biostratigraphy and paleoclimate of an open-pit coal mine Schoningen Ger
In the Schoningen open-pit lignite mine (Northeastern Lower Saxony, Germany),Tertiary strata are unconformably overlain......
The Fengzhou loess section is very typical in the Qinling Mountains. The section, which is about 82 m thick and underla......
The deep sea records from the ODP Sites 1143 and 1144 in the northern and southern South China Sea (SCS), including fora......
Red Clay Sediment in the Central Chinese Loess Plateau and Its Implication for the Uplift of the Tib
The widely distributed red clay sediment underlying the Chinese Loess Plateau truly records the Neogene environmental ev......
Early Holocene High Magnitude Debris Flow Events and Environmental Change as Illustrated by the Moxi
Thick debris flow deposits in the Hengduan Mountains of southwestern China record landscape instability at the close of ......
Ice core records from polar regions are of great value to study long-term climate and environmental change. Greenland ic......
Identification and field evaluation of the sex pheromone of an invasive pest,the fall webworm Hyphan
Pheromone gland extracts of the fall webworm,Hyphantria cunea(Lepidoptera:Arctiidae) were analyzed by gas chromatography......
The MS6.4 Menyuan earthquake occurred on the northern side of the Lenglongling fault(LLLF) in the mid-western of the Qil......
采用嫁接法制备了硅胶同载季鳞双三氟甲烷磺酰亚胺盐离子液体,并将其用于对CO2的吸附,考察了吸附剂的吸附等温线及循环使用性,并运......
以羧甲基纤维素（ＣＭＣ）为原料、３－氯－２－羟丙基三甲基氯化铵（ＣＨＰＡＣ）为季铵化剂，合成了一系列水溶性两性纤维素衍生物，研究了ＣＭＣ季铵化反应的主要影响因素，发现......
以全氟辛基磺酰氟为基础原料，与N,N-二甲基-1，3-丙二胺磺酰化再与2-氯乙醇和过量环氧丙烷反应，得到一种聚醚季铵盐类阳离子型氟碳表面......
为探讨北京潮白河冲洪积扇第四系地下水系统水化学分布特征,依据地层结构及水文地质条件,于2008年枯水期采集浅、中、深层水样293......
这篇研究论文在喝附近在 Xingshan 分析第四级的沉积物的谷物尺寸特征，在由采用图形的措施学习谷物尺寸分发和它运输和免职的模式的......
趋磁细菌(MB)属变形菌纲,为简单的原核细胞.它的最大特征是体内长有磁小体(MSs), 沿地磁线运动.MSs由膜及其内部的无机矿物或铁素(......
本文阐述了某第四纪盆地108矿床的区域地质、矿床地质特征,提出了第四纪盆地铀成矿的四个方面的地质条件并对铀矿床的成因进行了探......
新疆柴窝堡盆地属天山地槽褶皱带博格达复背斜的一个中新生代山间盆地,含有丰富的地下水资源.柴窝堡盆地总的轮廓和结构,严格受构......
研究了菲律宾海盆东北部“大洋钻探工程”１２５航次７８２Ａ孔晚始新世以来的放射虫化石。根据Ｓａｎｆｉｌｉｐｐｏ等１９８５年的分带，将研究区自下而上划分为１０个带。讨论了始......
塔里木盆地东北部库车以东地区下第三系化石罕见。该地区主要为红色含膏盐的粗碎屑岩沉积。中新世以来，由于喜巴拉雅运动的影响，天山......
首次在西藏那曲地区孔玛盆地第四系湖相沉积地层中发现了昆虫化石，对昆虫化石的特征和产出层位进行了描述，昆虫化石经初步鉴定分别属......
Paleoceanographic records and sea ice extension history on the slope of the northern Bering Sea over
Quantitative analytic results of the biogenic components in Core B2-9 from the northern Bering Sea slope indicate that t......
研究发现二元酸酯PVC膜电极对季鏻和季鉮盐均具有能斯特响应。电极的响应机理是由于季鏻、季鉮阳离子的正电中心与电子云密度较大......
<正> 1 引言 以往用于多元体系汽液平衡的热力学一致性逐点检验的算法大多是有限差分法,对三元体系变成求解10~4～10~6量级的非线性......
怎么有效地识别冰川的沉积，特别第四级的冰碛，在争论十年了。传统的方法，例如，沉积并且 geomorphologicones，在争论冰碛存款是 dominati......
Hydrologic conditions of the ground water of the Quaternary aquifer in west Ismailia area, Egypt, were characterized bas......
Synthesis, Optical and Surface Properties of the New Gemini Quaternary Ammonium Surfactants Containi
Four novel gemini quaternary ammonium surfactants containing DSD acid-triazine structure were synthesized using a facile......
