calcareous相关论文
通过采用工业废料硬氟石膏、钢渣粉等进行处理,制备具有微膨胀性能的KH砂策收缩补偿剂,砂浆补偿荆的膨胀性能在早期和后期均高于UE......
为了评价ＦｅＳＯ４、Ｆｅ２（ＳＯ４）３、Ｆｅ２Ｏ３、Ｆｅ（ＮＯ３）３和Ｆｅ－ＥＤＴＡ在巴基斯坦钙积干旱土上对水稻产量和化学组成的影响，进行了盆栽试验．结果表明：每千克土壤施用１０和１５ｍｇＦｅ后，５种铁源均使水稻植......
This study investigated the impact of topography and vegetation on distribution of rare earth elements(REEs)in calcareou......
The influence of dissolved oxygen on calcareous deposits formed under galvanostatic polarization mode was studied.When t......
目前高等级公路的建设进入了蓬勃发展的时期,但在工程建设中关于路基暗穴病害探测与处理仍是急待解决的一个重要课题。本文结合工......
介绍新近纪海相生物地层研究的新进展。2004年新的“国际地质年代表”以405ka偏心率长周期为基础来划分新近纪的主要地层界线，标志......
[目的]采用ICP-OES法同时测定石灰性土壤中交换性盐基钙镁钾钠。[方法]用pH 8.5的0.1 mol/L氯化铵溶液-70%乙醇溶液作为交换浸提液......
选用山东省花生主产区的代表性石灰性土壤，通过土培试验的方法，研究了3种不同形态铁的波尔多液营养保护剂BNPP—NFe、BNPP—EFe、BNP......
Calcareous sand has distinct characteristics in comparison with silica sand,such as dynamic behavior at high strain rate......
在帕拉顺序的床集合的识别和对比在陆上的盆是困难的高分辨率的顺序地层学。这研究为床的鉴定和对比根据歧管的记载给数据的边界提......
Benthic Foraminiferal and Calcareous Algae Assemblages in the Tirgan Formation (Urgonien Facies Type
In this research, the Tirgan Formation in the south flank of Ghorogh Syncline (north of Chenaran), northeastern Iran wit......
New anatomical features revealed in some Early Cambrian calcareous microfossils suggest comparison with Rhodophyta (red ......
Ameliorate salinity effect through sulphur application and its effect on some soil and plant charact
The main objective of this work is to study the effect of sulphur application and irrigation water quantity on some soil......
作者用透射电子显微镜研究了沉积钙质白云石中的带状面缺陷。在衍衬象中面缺陷呈现出特有的条纹衬度，并具有一定的择优取向，它们沿着......
Miocene to Pliocene Paleoceanography of the Western Equatorial Pacific Ocean Based on Calcareous Nan
We describe in detail the Miocene to Quaternary paleoceanography of the western equatorial Pacific Ocean based on calcar......
The Lower Cretaceous benthic Limestone in Yazd Block (Central Iran zone) is known as the Taft and Shahkuh Formations. In......
Sea-Surface Dynamics Changes in the Subpolar North Atlantic Ocean (IODP Site U1314) during Late Plio
Calcareous nannofossils were observed to reconstruct the surface water conditions during late Pliocene climate transitio......
Mechanism and Distribution of Calcareous Interbeds in Songtao Uplift and Its Periphery of Qiongdongn
Based on core and casting slice observation, well drilling and logging data, the source of carbonate materials, litholog......
Effect of Arbuscular Mycorrhiza Fungal Inoculation with Compost on Yield and Phosphorous Uptake of B
An experiment was conducted in pots under natural conditions in alkaline calcareous soil to determine berseem (Trifolium......
Calcareous Algae from Northeastern Brilon Reef Complex of Middle and Upper Devonian in Eastern Sauer
ＣａｌｃａｒｅｏｕｓＡｌｇａｅｆｒｏｍＮｏｒｔｈｅａｓｔｅｒｎＢｒｉｌｏｎＲｅｅｆＣｏｍｐｌｅｘｏｆＭｉｄｄｌｅａｎｄＵｐｐｅｒＤｅｖｏｎｉａｎｉｎＥａｓｔｅｒｎＳａｕｅｒｌａｎｄ，Ｇｅｒｍａｎｙ￥ＨｏｎｇＴｉａｎｑｉｕ（ＤｅｐａｒｔｍｅｎｔｏｆＲｅ.........
The effects of calcium combined with chitosan amendment on the bioavailability of exogenous Pb in ca
Lead(Pb) in soil may accumulate in crops and enter the human body. This study aimed to understand the speciation transfo......
The temporal distributions of pigment on bio-genic calcareous and terrigenic reef sediments, chlorophyll a, chlorophyll ......
In this paper,the effect and mechanism of calcareous stone powder with size less than 0. 074mm are investigated in stone......
A long-term field experiment was carried out with a wheat-maize rotation system to investigate the accumulation and bioa......
Calcareous nannofossil changes linked to climate deterioration during the Paleocene-Eocene thermal m
The Paleocene-Eocene Thermal Maximum(PETM)event was a dramatic global warming~55.93 Ma ago that resulted in biological e......
Influence of Calcareous Deposit on Corrosion Behavior of Q235 Carbon Steel with Sulfate-Reducing Bac
Cathodic protection is a very effective method to protect metals, which can form calcareous deposits on metal surface.Re......
Calcareous soil contains organic and inorganic carbon(C) pools,which both contribute to CO2 emission during closed-jar ......
Phosphorus fractions and sorption dynamics in the sediments of two Ca-SO4 water reservoirs in the ce
Phosphorus (P) fractionation and sorption behavior were studied in the sediments of two calcium-sulfate(Ca-SO4: Ca2t170 ......
This study was conducted during 2008-2009 ,which included calcium carbonate determination from 84 locations (40 soil sam......
A Comparative Study of Element Cycling in the Soil-Plant System: A Case Study of Shaly and Calcareou
This study focused on the cycling of major and trace elements in the soil-plant system in parts of Southern Benue Trough......
Calcareous Nannofossil Biostratigraphy and Stage Boundaries of the Santonian-Eocene Successions in W
The stratigraphic successions exposed in Wadi El Mizeira have been dated through the analysis of the calcareous nannofos......
