skeleton相关论文
Lithium batteries (LBs) have become increasingly important energy storage systems in our daily life.However,their practi......
At present,an important direction of intelligent manufacturing is the products Digital Twin,that is,for each product var......
Crop line recognition that is based on image processing is the key to machine vision navigation....
A COMPLETE SOLUTION OF CARTOGRAPHIC DISPLACEMENT BASED ON ELASTIC BEAMS MODEL AND DELAUNAY TRIANGULA
In map production and generalization,it is inevitable to arise some spatial conflicts,but the detection and resolution o......
目的:探究术前n 18F-脱氧葡萄糖(FDG)PET/CT所测肿瘤内代谢异质性参数是否具有预测临床(c)N0期结直肠癌区域淋巴结转移的价值......
Amorphous Se species anchored into enclosed carbon skeleton bridged by chemical bonding toward advan
Potassium-selenium(K-Se)batteries have attracted significant attention as one of the most promising alternatives of lith......
Ultra-processed foods have known negative implications for health;however,their effect on skeletal development has never......
目的:对比n 68Ga-1，4，7，10-四氮杂环十二烷-1，4，7，10-四乙酸-n D-苯丙氨酸1-酪氨酸3-苏氨酸8-奥曲肽(DOTATATE)与n 18F-......
A new baby pterodactyloid pterosaur with soft tissue preserved,Ningchengopterus liuae gen. et sp.nov.,is erected based o......
Traditional stochastic reservoir modeling,including object-based and pixel-based methods,cannot solve the problem of rep......
<正> Methyl dihydrojasmonate is a very precious and widely used perfume. Its skeleton stlueture is similar to that of ma......
目的 探讨应用尿I型胶原氨基末端肽（uNTX）辅助骨显像诊断恶性肿瘤骨转移的价值。方法选取227例骨显像诊断为可疑骨转移患者，首先测定......
Filamentous fungi are one of the major sources of natural products (NPs;which are also termed as secondary metabolites (......
It was in the Lantern Festival of 1983 that LiXiangman first learned there had been a kind oflantern whose art had been ......
It is generally believed that Chinese invented the kite which represents their pursuit of better life. Inspired by flyin......
A new skeleton bisabolane-type sesquiterpene curcuminoid,bisabocurcumin(1),along with 5 known compounds,curcumin(2), dem......
Synthesis and Crystal Structure of(E)-Ethyl 2-(5-(3-methyl-2-butenyloxy)-2-(3-(4-(3-methyl-2-butenyl
The title compound,(E)-ethyl 2-(5-(3-methyl-2-butenyloxy)-2-(3-(4-(3-methyl-2-butenyloxy)phenyl) acryloyl) phenoxy)aceta......
Structure and Stability of P_lO_m Cages and Their Highly Charged Protonated Clusters P_lO_mH_n~(n+):
Density functional calculations are used to determine structural and electronic properties of P4,P4O6,P4O10,P20O30 and P......
A novel and efficient method was developed for the synthesis of diarylpyrazole derivatives as cannabinoid CB1 receptor a......
TOURISTS traveling to Beijing always have the Great Wall,Tiananmen Square and the Forbidden City on their must-see list.......
A novel and efficient synthetic method of atorvastatin was described.The key step of the synthesis was the construction ......
Two sulphonate-crown ether surfactants(sodium(40-dodecanoyldibenzo-18-crown-6)-400(500)-sulphonate,ammonium(40-dodecanoy......
Synthesis of hexacyclic fused isocoumarin framework through selective domino multicyclizations under
A novel fused isocoumarin skeleton has been synthesized through selective domino multicyclizations by mixing homothallic......
Synthesis and antitumor and antibacterial evaluation of fluoroquinolone derivatives(Ⅲ):Mono- and bis
To further explore an efficient modified route for the shift from an antibacterial fluoroquinolone to an antitumor one,m......
A unified strategy toward the construction of the [5.7.6]tricyclic skeleton of liphagal is reported,featuring InCl3-medi......
TTA(thenoyl trifluoroacetone)extraction can effectively remove large amounts of uranium in the analysis of trace neptuni......
A minor diterpenoid with a novel carbon skeleton,secoeuphoractin(1),was isolated from an ethanol extract of the roots of......
Synthesis and biological evaluation of nitric oxide-releasing sixalkoxyl biphenyl derivatives as ant
A series of novel nitric oxide-donating sixalkoxyl biphenyl derivatives (14a-l) were synthesized by coupling furoxan wit......
Two pairs of unusual scalemic enantiomers with a novel carbon skeleton of 2-[1’-(’’-hydroxy-3’’,5’’-dimethoxyphen......
Bioassay-guided fractionation of the diethyl ether extract of the liverwort Asterella angusta led to the isolation of tw......
Chemoselective synthesis of novel aminoindolizines using aminopyridines, acetylenic diesters and α-h
A chemoselective synthesis of novel indolizine derivatives were reported via three-component reactions of aminopyridines......
Atisane diterpenes are biologically interesting natural products. We report here a convergent approach to construct the ......
From the perspective of growth units, the growth mechanism of Mg_2(OH)_2CO_3·3H_2O whisker is investigated in this pape......
Synthesis,Crystal Structure and Fluorescence of a Bicyclic Product Containing Chromene and Propargyl
The bicyclic product containing a chromene skeleton and a propargylamine skeleton(C_(22)H_(22)N_2O_2) was synthesized fr......
咔咯是一种卟啉类似物,由于具有独特的结构特征使其拥有优越的化学、物理以及光谱性质.相对于非水溶性咔咯,水溶性咔咯在催化和生......
以脱镁叶绿酸-a甲酯和脱镁叶绿酸-b甲酯为起始原料,通过3-位乙烯基、外接E-环和20-meso-位的化学修饰,在脱镁叶绿酸-a甲酯周环上建......
Based on laboratory tests and field materials evaluation, the inner frictional resistance of SMA skeleton was investigat......
Synthesis, Dimer Crystal Structure and Herbicidal Activity of 2-(4-Ethoxybenzoyl)cyclopentane-1,3-di
The title compound 2-(4-ethoxybenzoyl)cyclopentane-1,3-dione(C14H14O4) was synthesized, and its crystal structure was st......
Mechanical Properties of Silica Aerogels Prepared from a Mixture of TEOS and Organo-alkoxysilanes of
Silica aerogels were prepared from a mixture of tetraethylorthosilicate and organoalkoxysilanes. The effects of organo-a......
Echinoside A is a triterpene saponin isolated from the sea cucumber Actinopyga echinites(JAEGER), which displays potent ......
Antiviral enantiomers of a bisindole alkaloid with a new carbon skeleton from the roots of Isatis in
A pair of indole alkaloid enantiomers with a novel bisindolylacetamide skeleton, insatindibisindolamides A and B(1a and ......
Gastradefurphenol(1),a minor 9.9’-neolignan with a novel carbon skeleton substituted by two phydroxybenzyls was isolate......
The dwarf（矮人） wants to give something to the wizard（巫师）. But the basement（地下室） is messy（杂乱的）. How can the dwarf find h......
专家已证实,发现于英国一停车场下的骨架确为查理三世——史上有名的暴君。莎士比亚的戏剧《查理三世》以这位倍遭唾弃的君主一声......
From the “Red Beds” at Lufeng, Yunnan, two forms of Saurischia, Lufengosaurus huenei and Gyposaurus sinensis, have be......
Cambrian Stem-group Cnidarians with a New Species from the Cambrian Series 3 of the Taebaeksan Basin
Five species, Lipopora lissa Jell and Jell, 1976, Lipopora daseia Jell and Jell, 1976, Tretocylichne perplexa Engelbrets......
Introduction of Constrained Cyclic Skeleton into β-Enaminoketonato Vanadium Complexes: A Strategy fo
Several novel mono( ?-enaminoketonato) vanadium complexes bearing constrained cyclic skeleton, including[(C6H5)C6H3C(O) ......
