The significance of phytolith in peat deposit is discussed.
对泥炭沉积中的植硅体进行了分析,初步证实植硅体对重建泥炭地古环境变迁模式起着重要的作用,对提高古气候变化的分辨率有很大的帮助。
Catalyst deactivation due to coking is microscopically analyzed,then a model is presented,based upon the analogy between coke deposition and solid aggregation.
从微观角度分析焦炭沉积与固体粒子凝聚间的相似性 ,提出一种催化剂积炭失活的微观模型 ,并用 Monte-Carlo方法模拟计算 。
The configuration deactivation causes of residue hydrogenation catalyst were analyzed from coke deposition,metal deposition,and their synergistic effect,the deposition process,deposition structure and deposition distribution were discussed,and the analysis method of coke and metals were reviewed.
从焦炭沉积、金属沉积及其协同作用等方面分析了引起渣油加氢催化剂构型失活的原因,讨论了沉积过程、沉积形态及沉积物的分布情况,并对其分析测试方法进行了论述。
Phytolith Research as an Indicator of Paleo-climate in the Late-Holoncene Peat Deposits of Northeast China;
东北地区晚全新世泥炭沉积的植硅体气候指示意义研究
Preliminary Research about Climate Changes Record of Wushan Peat Bog during 47-21kaB.P. in Northern Part of China s Tropics;
中国热带北缘47-21ka.B.P.期间气候环境演变泥炭沉积记录的初步研究
Distribution,Accumulation Rate of Peat in the Changbaishan Mountains and Climate Change in Holocene
长白山地泥炭分布、沉积速率与全新世气候变化
This is also borne out by the fact that the river and lake deposits contain peat.
这一点也被河湖沉积物中包含着泥炭这样的事实所证明。
Strata and Sedimentary Fades of Lower Mudstone Section in Carboniferous System of Well Hade 1 in Tarim Basin
塔里木盆地哈德1井区石炭系下泥岩段地层及沉积相研究
GEOCHEMICAL CHARACTERISTICS OF CARBONIFEROUS MUDSTONES IN QILIAN MOUNTAIN AND NORTHERN QAIDAM BASIN
祁连—柴达木盆地北缘地区石炭系泥岩沉积地球化学特征
The foreland basin of Late Paleozoic is accumulated by the Upper Devonian and Lower Carboniferous.
晚古生代在前陆盆地率先接受了上泥盆统、下石炭统沉积;
Research on Sedimentary, Reservoirs and Nonstructural Traps of Carboniferous-upper Devonian in the Central Tarim Area;
塔中地区石炭系—上泥盆统沉积、储层特征及非构造圈闭研究
Sediment facies, provenance evolution and their implications of the Lower Devonian to Lower Carboniferous in Shaerbuerti mountain in North Xinjiang.
北疆沙尔布尔提山地区早泥盆-早石炭世沉积相、物源演变及其意义
When deposited, 70-80% of the volume of muddy sediments may be water.
泥质沉积物沉积后，体积的70-80％是水。
The river deposited silt at its mouth.
那条河在河口沉积淤泥。
This formation is dominated by a set of sandstone-mudstone dark clastic rock series which belongs to marginal marine deposit at the end of the Gondwana Carboniferous-Permian glacier period.
该组主要为一套砂岩－泥岩的暗色碎屑岩系，属冈瓦纳石炭－二叠纪冰川末期的边缘海沉积。
Carboniferous Sedimentary Facies and Environment in North Altay , Xinjiang
新疆北阿尔泰石炭纪的沉积相和沉积环境
The Devonian Period or its system of deposits.
泥盆纪（系）或泥盆纪（系）的沉积矿系体系
A river as it flows may deposit earth, stone, mud, etc.
河流能沉积泥土、石头和泥等。
Anti-Oxidation Coating Prepared by CVD Technique for Carbon/Carbon Composites
化学气相沉积制备炭/炭复合材料防氧化涂层
Catalytic carbon deposition on three-dimensional carbon fiber preforms using alkane gas feedstocks
三维炭纤维预型体上烷烃气的催化炭沉积(英文)
Basic Features of Early Carboniferous Sedimentary Environment at Ciyao in Jingyuan County, Gansu
靖远磁窑早石炭世沉积环境基本特征