ring compounds 中文意思是什麼
ring compounds
解釋
環狀(結構)化合物-
The benzene ring is also seen in other compounds.
苯環在其他化合物中也可以看見。 -
Carbasugars, carbocyclic analogues of true sugars, are compounds in which the ring - oxygen of furanoid or pyranoid sugars is replaced by methylene group
摘要碳環糖是一類呋喃或吡喃糖環中的氧原子被亞甲基取代后形成的糖類似物。 -
The predominance of these series is replaced in turn by benzothiophenes and increasingly complex ring-like compounds in the higher temperature ranges.
在更高的溫度范圍內,這些化合物的絕大部分又被苯噻吩和更復雜的環狀化合物置換。 -
Abstract a new, stereo - controlled method of aldehyde group synthesis is summarized, which is used to synthesize aldehyde group by introducing thiazole ring and has a wide appreciation for bio - activated compounds synthesis
摘要本文綜述了一種新型可立體控制的醛基合成方法? ?利用唑環引入醛基的方法以及它在具有生物活性物質合成中的應用。 -
In fused-ring and bridge-ring compounds two carbons are common to the two rings.
在稠環和橋環化合物中,兩個碳原子是兩個環公用的。 -
In fused-ring and bridged-ring compounds two carbons are common to the two rings.
在稠環和橋環化合物中,兩個碳原子是兩個環公用的。 -
In there compounds, the cyclopentadiene ring has only four hydrogens.
在這些化合物里,環戊二烯環只有4個氫。 -
Systemic research including the influence of the crown ether ring ' s symmetry, the size and the conformation on the liquid - crystalline behavior have been done in this paper. the synthesis way and method were improved. from the experimental results, it was found that : 1, compounds 2, 4, 16, 17 and 18 have liquid crystal properties
優化和改進了合成路線及方法,對席夫堿型液晶冠醚,因取代基的大小、冠醚環的大小和冠醚環的對稱性以及不同結構的順反構型對液晶性能的影響等諸方面進行了較系統的研究,取得了一系列具有規律性的結果。 -
Results from twelve novel pyridine ring derivatives of podophyllotoxin, three compounds 4. 4 、 4. 5 and 4. 6 have more higher toxicities than others, and the lc50 were 1. 66, 3. 96 and 1. 54 mg / l respectively
結果12種新型吡啶類鬼臼毒素衍生物對3齡淡色庫蚊幼蟲的毒殺作用有明顯的差異,化合物4 . 4 、 4 . 5和4 . 6的毒殺作用明顯高於其它化合物。 -
In structure ( 6 ) mn ( 1 ) 2 + links with two [ mo6p4 ] units by sharing corners and then forms mn ( 1 ) [ mo6p4 ] 2, while mn ( 2 ) links to four different mn ( l ) [ mo6p4 ] 2 clusters and forms plenary channel structure. polyanion [ p2mo5o23 ] of compounds ( 9 ) and ( 10 ) consists of five mooe octahedra which form a ring by sharing corners and edges, and two po4 tetrahedra which exist in two sides of the ring plane by three oxygen atoms bonded to the mo - o cluster
化合物( 9 )和( 10 )的多陰離子[ p _ 2mo _ 5o _ ( 23 ) ]由五個moo _ 6八面體通過共邊和共角連接形成一個環,每個moo _ 6八面體均帶有2個端基氧,在其環平面的上下兩側各有一組po _ 4四面體通過共用3個氧原子與mo - o簇鍵合。
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