crown相关论文
Evaluation of Crown Performance of Vertical Stack MillsUsing Bi-directional Two-Stage Transport Matr
Crown and shape performance has been one of the most important technical and quality subjects focused by metal producers......
Development of Reappearance and Analysis System of Section Characteristics in Hot Continuous Mill Un
The measurement data about section characteristic and the crown meter only serve the current process in hot continuous m......
Hierarchical self-assembly of crown ether based metal-carbene cages into multiple stimuli-responsive
The hierarchical self-assembly(HSA) strategy widely utilized in biological systems has been applied in artificial system......
Interpretation of primary growth markers (modules) is neglected in sustainable resource management processes, yet it ope......
This study aimed to understand bark thickness variations of Araucaria angustifolia(Bertol.)Kuntze trees growing in natur......
Traditional descriptive observation and advanced geometric morphometric are employed to study the morphological characte......
The paper presents two fundamental models of scientific communication and characterizes and exemplifies the concept of S......
由《中国国家地理》杂志社主办的“crown皇冠杯竹韵人生”摄影大赛已经于日前拉开帷幕。大赛除了在网上征集作品外，还设立了摄影名......
锐志在中国没有显赫的背景，不过场景回到日本，代号Markx的锐志可以说是Crown皇冠车系的旁枝，在相同的平台与动力基础下，以更平价与运动......
<正> There has not been any report on crown other cyanine dyes up to now. The authors succeeded in synthesizing 2-methyl......
福特提供美国警方警车已经由来已久，最近发布的2012款福特警车虽然让我们眼前一亮但也不至于达到惊喜的程度。这款最新的警车将替代......
<正> Crown ether is a new type coordinating agent. It has a hydrophilic internal cavity which can accommodate charged or......
<正> In 1967, Pedersen reported his pioneering work on crown ethers. Since then, a large variety of macrocyclic compound......
<正> Crown ethers with an active functional group were synthesized and then reacted with cellulose diactate, and as a re......
时间横跨了2007年深秋到2011年初冬，从第一次见到CROWN皇冠到第13代新车型的震撼面世。在两个毫无关联的时间点上，却因为CROWN皇冠交......
以新皇冠为代表的豪华轿车，正诠释着新一轮的豪华理念：“这个世界属于未来、属于年轻人”。而中国豪华轿车市场的未来，也恰恰如此。皇......
作为丰田品牌旗舰车型，皇冠历经13代创新，始终代表着丰田的最新技术。凭借不断革新与淬炼的豪华感，以人为本的高端科技运用，皇冠将智慧......
Synthesisand Crystal Structure of the 2:2 Complexes Between Lighter Rare Earth Nitrates and N,N,N’,N
The 2:2 complexes between lighter rare earth nitrates and N,N,N’,N’-tetraphenyl-3,6-dioxaoctanedioicdiamide（TDD）,[RE（TDD）<......
The extraction of strontium ions using DCH18C6 as the extractant and various ionic liquids(ILs) as solvents has been inv......
Chiral recognition of phenylalanine(Phe) was achieved in the gas phase by electrospray ionization Q-TOF tandem mass spec......
A water soluble negatively charged fluorescent 1,4-benzo-1,5-naphtho-36-crown-10-based host has been devised and synthes......
Computer-aided design/computer-aided manufacturing crown survival rates.Abt E.Evidence-Based Dentistry,2010,11(1):25-26.......
Crown ether-appended Fe(Ⅲ) porphyrin:Synthesis,characterization and catalytic oxidation of cyclohexe
A new crown ether appended Fe(Ⅲ) porphyrin complex was prepared by sulfuryl chloride appended benzo-15-crown-5 to the m......
A combination of molecular dynamics (MD) and density functional theory (DFT) calculations were used to study the hydrati......
THE Qin Dynasty(221-206 B.C.) had four imperial polymath councilors who were highly revered by the imperial court for th......
Separation of strontium from associated elements with selective specific resin and extraction chroma
In this paper,separation of Sr from associated elements(Na,K,Ca,Mg,and Ba) was carried out using an extraction chromatog......
{[K.18-Crown-6]Br3}n , a unique tribromide-type catalyst, was utilized for the N-boc protection of amines and trimethyls......
A further understanding of the cation exchange mechanism for the extraction of Sr~(2+) and Cs~+ by i
The cation exchange mechanism was further investigated during the extraction of Sr 2+ and Cs+ using the extractant dicyc......
Cold nanoparticles(AuNPs) functionalized with supiamolecular macrocycles are versatile and diverse hybrid nanoinaterials......
全新皇冠上市以来,凭借商品与价格的双重优势,获得媒体高度评价,2010年1月份新皇冠更以6400辆的销量突破了以往皇冠的销售记录,可......
Two sulphonate-crown ether surfactants(sodium(40-dodecanoyldibenzo-18-crown-6)-400(500)-sulphonate,ammonium(40-dodecanoy......
Li~+-templated complexation of cylindrical macrotricyclic host with naphthalene diimide:Cation-contr
Anthracene-based cylindrical macrotricyclic polyether (1) containing two dibenzo-30-crown-10 cavities has been proved to......
Synthesis of a Nine-atom Germanium Cluster K_(0.5)[K(18-crown-6)]_(1.5)Ge_9·1.5en with Unprecedented
A new complex K0.5[K(18-crown-6)]1.5Ge9·1.5en(1) which contains unprecedented “up” and “down” chain arrangement of ......
Two new ditopic metalloporphyrin receptors constructed by combining metalloporphyrin with crown ethers have been prepare......
A new phase transition compound,2-methoxyanilinium perchlorate-18-crown-6(1) {(oCH3OC6H4NH3)+(18-crown-6) ClO4 },has bee......
The macrocyclic ligand,15-crown-5,was used as an ionophore for fabrication of a polyvinyl chloride(PVC) based membrane s......
Solid-state structure of the crystalline 1:1 complex [C 3 H 10 N(18-crown-6)] + [I 3 ](1) between 18-crown-6 and n-propy......
基于大环自组装和多卤阴离子合成了有机-无机杂化超分子化合物,[(1,4-PMNH3)·(18-crown-6)]·[(H3O)·(18-crown-6)]2·[(H2O)·(......
Synthesis and Crystal Structure of 15,16-Bis((4-nitrophenoxy)methyl)-2,3,5,6,8,9,11,12- octahydroben
Double-armed crown ether 15,16-bis((4-nitrophenoxy)methyl)-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13] pentaoxacycl......
Crown Prince:Mrs Anna.Anna:Yes,Your Highness?Crown Prince:I do not understand how slaves can be set free if their maste......
Crystal structure and dielectric property of supramolecular macrocyclic[(NDPA).(18-crown-6)]~(2+)·(D
One novel organic-inorganic hybrid supramolecular assemblies |(NDPA)(18-crown-6)]~(2+)(DMA)~+·3ClO_4~-(1),has been succ......
Synthesis and fluorescence properties of a 1,3-disubstituted thiacalix[4]arene crown-5 armed with ph
A new thiacalix[4]arene phenothiazine derivative(2) based on a thiacalix[4]crown with a 1,3-alternate conformation has b......
Synthesis,O_2-binding ability and catalytic oxidation performance of cobalt(Ⅱ) complexes with dihydr
Novel Co(Ⅱ) complexes with dihydroxamic acids functionalized N-pivot lariat ether CoL~1-CoL~4 were synthesized and char......
A Fluorescent Supramolecular Crosslinked Polymer Gel Formed by Crown Ether Based Host-Guest Interact
Based on the combination of B21C7/dialkylammonium salt host-guest interactions and tetraphenylethylene(TPE)-based aggreg......
Bis(2-propyloxy)calix[4]crown-6 (BPC6) is an effective separation agent for cesium removing from spent nuclear fuel. The......
A[3]rotaxane 1 involving two naphtho-21-crown-7(N21C7) rings and a dumbbell-shaped component 4 was synthesized.The dumbb......
