搜索结果: 1-15 共查到“理学 tertiary”相关记录24条 . 查询时间(0.109 秒)
Performance Prediction of the TMT Tertiary Mirror Support System
Tertiary mirror mirror performances mirror support optimizations
2015/5/12
The Ritchey-Chrétien (RC) optical design of Thirty Meter Telescope (TMT) calls for a 3.1m diameter secondary mirror
(M2M) and an elliptical tertiary mirror (M3M) of 3.5m along its major axis and 2.5...
Control and support of 4-meter class secondary and tertiary mirrors for the Thirty Meter Telescope
Mirror support articulation figure contro
2015/5/12
The Thirty Meter Telescope (TMT) project is a partnership between ACURA, AURA, Caltech, and the University of
California. The design calls for a 3.6 m diameter secondary mirror and an elliptical ter...
The reaction of free chlorine with tertiary ammonium or amine compounds in aqueous solution was studied by the amperometry at a rotating Pt-disk electrode. The amperometric method can be applied to fo...
Tertiary structure of the Sørkapp-Hornsund Region,South Spitsbergen,and implications for the offshore southern extension of the fold-thrust Belt
Tertiary structure Sø rkapp-Hornsund Region offshore southern extension fold-thrust Belt
2009/12/3
The Sørkapp-Hornsund region of southern Spitsbergen has undergone a complex Tertiary tectonic history, including contractional and transpressional uplift and transtensional subsidence and react...
RESISTIVITY METHODS FOR GROUNDWATER EXPLORATION IN THE CRETACEOUS-TERTIARY SEDIMENTARY SEQUENCE, EAST OF JEDDAH, SAUDI ARABIA
Vertical electrical sounding potential groundwater resources horizontal electrical profiling
2009/10/12
Vertical electrical sounding (VES) and horizontal electrical profiling (HEP) were used to locate potential groundwater resources in the Cretaceous-Tertiary sedimentary sequence east of Jeddah, Saudi A...
2,2'-Binaphthylene phosphorochloridite (BINOL-PCl) as a bulky and efficient reagent for the conversion of primary and secondary alcohols into iodides, and tertiary alcohols stereo- and/or regioselectively into olefin(s)
Alkyl iodide 2,2'-dihydroxy-1,1'-dinaphthalene (BINOL) 2,2'-binaphthylene phosphorochloridite (BINOL-PCl) stereoselective anti-E2 elimination reaction heavy atom effect
2010/4/8
Primary and secondary alcohols were transformed in high yield to corresponding iodides by 4-chloro-3,5-dioxaphosphacyclohepta [2,1-a; 3,4-a'] dinaphthalene (BINOL-PCl) at room temperature. The tertiar...
Iridium concentration and noble gas composition of Cretaceous-Tertiary boundary clay from Stevns Klint, Denmark
K-T boundary, iridium, noble gas
2017/8/10
The Cretaceous-Tertiary (K-T) boundary about 65 million years ago records a mass extinction event caused by a bolide impact. K-T boundary clay collected from Stevns Klint, Denmark was investigated in ...
Spatio-temporal observations of the tertiary ozone maximum
Spatio-temporal observations tertiary ozone maximum
2009/7/15
We present spatio-temporal distributions of the tertiary ozone maximum (TOM), based on GOMOS (Global Ozone Monitoring by Occultation of Stars) ozone measurements in 2002–2006. The tertiary ozone maxim...
Stratigraphy, Geochemistry and Depositional Environment of the Celestine-bearing Gypsiferous Formations of the Tertiary Ulaş-Sivas Basin, East-Central Anatolia (Turkey)
Celestine Gypsum Geochemistry Ulukı ş la-Sivas Basin East-Central Anatolia
2009/7/8
Celestine-bearing evaporite mineralization is widespread in the Tertiary evaporitic units of the Ulaş-Sivas Basin, east-central Anatolia. The oldest deposition of gypsum, which is of laminated ch...
Tertiary Terrestrial to Shallow Marine Deposition in Central Anatolia: A Palynological Approach
Eocene Middle Miocene palynostratigraphy palaeoecology central Anatolia Turkey
2009/7/8
In central Turkey the Çankırı Basin developed between the Kırşehir and Sakarya continents as a collisional basin during the Tertiary. Along the southern border, between Yozg...
Transfer of organic Br and Cl from the Biosphere to the Atmosphere during the Cretaceous/Tertiary Impact: Implications for the stratospheric Ozone Layer
organic Br Cl Biosphere Atmosphere stratospheric Ozone Layer
2009/1/23
Following the Cretaceous/Tertiary (K/T) meteoritic impact some 65Myr ago, large portions of aboveground terrestrial biomass were burned. As a result, large amounts of various trace gases were injected...
Mineral Chemistry and Petrochemistry of Post-Collisional Tertiary Mafic to Felsic Cogenetic Volcanics in the Ulubey (Ordu) Area,Eastern Pontides,NE Turkey
calc-alkaline volcanics crystal fractionation mineral chemistry Tertiary volcanism eastern Pontides Turkey
2010/1/11
Post-collisional Tertiary volcanic rocks in the Ulubey (Ordu) area at the western edge of the eastern Pontides palaeo-arc are divided into four suites. The Yenisayaca basalt (TB) contains plagioclase ...
Homocoupling of Aryl Iodides Catalyzed by Cyclopalladated Complexes of Tertiary Arylamines
2007/7/28
期刊信息
篇名
Homocoupling of Aryl Iodides Catalyzed by Cyclopalladated Complexes of Tertiary Arylamines
语种
英文
撰写或编译
作者
LI,Qiang,NIE,Juan,YANG,Fan,ZHENG,Rui,ZOU,Gang,TANG,Jie*
第一作者单位
刊物名称
Chin. J. Chem
页面
2...
期刊信息
篇名
Heck Reaction of Iodoarenes with Methyl Acrylate Catalyzed by Cyclopalladated Complexes of Tertiary Arylamines Immobilized in Ionic Liquid [Bmim] BF4-
语种
英文
撰写或编译
作者
ZHENG,Rui,YANG,Fan,ZOU,Gan...
Separation Process Of Citric Acid with Tertiary Amines/Diluents in Supercritical CO2
Citric Acid Reactive Extraction Supercritical CO2 Hostarex A 327 Oleyl Alcohol
2010/4/22
Reactive extraction of citric acid was investigated at atmospheric and supercritical conditions. The most suitable diluent and amine from among the tertiary amines and eight different diluents were de...