将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。
The condensation compound was synthesized by 2 butene 1, 4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.
去年七月份的出口量十分惊人，但是今年七月的环比仍然猛增了38.1%。
But exports leaped 38.1 percent from an already strong showing in the same month last year.
2009年七月，销量环比下降26%，是连续第五个月出现销量下滑。
In July sales were down 26%, the fifth successive monthly decl in e.
在1999年，不到3年之后他战胜了癌症，阿姆斯特朗赢得了环法自行车赛，然后他赢得了一站又一站，一位癌症幸存者连续七次赢得最著名的自行车比赛。
In 1999, less than 3 year after he beat cancer, Armstrong won the Tour De France, then he won it again and again, a cancer survivor winning cycling's most famous race seven times in a row.
下环“库平七钱二分” “光绪元宝”四个字，字体俊秀。
Ring "library flat seven binary money" under the "wing" four word, font.
可分离的碳环化合物环内含七个或七个以下的碳。
Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
花莲七星潭漫游的好伙伴，包含景点、店家、环景、小游戏等。手机导游带您享受美丽的阳光与海湾。
It is a good guide in Qixingtan, including scenery, shops, Panorama, games, etc. With your Mobile tour guide to enjoy the beautiful sunshine and the bay.
这位26岁的球员已经身披阿根廷球衣达七年之久，已经成为阿根廷中场重要的一环。现在，他还戴上了队长袖标。
The 26-year-old has been wearing the Albiceleste jersey for seven years now, and has become such an important cog in the midfield that he now sports the captain's armband.
以此纯化蛋白为靶，采用固体包被法对噬菌体展示随机十二肽库及环七肽库进行亲和筛选。
The purified protein coated on polystyrene plate was used as the target to carry out four rounds of bio-panning.
本文合成了七个硫三碳菁。其中四个具有桥环的菁染料。
Seven thiatricarbocyanine dyes in which four are with bridge chain were synthesized. Among them three compounds are first reported.
微囊藻毒素（MC）是一类七肽单环肝毒素，MC-LR是一种强烈的肝脏肿瘤促进剂。
Microcystins (MC) are hepatotoxins containing cyclic heptapeptides. Microcystin-LR (MC-LR) is a strongly liver tumour promotor.
听说这是四环以内最大的植物园，一期景观由七大温室和十五个花园广场组成。
I heared it's the biggest botanical garden within the Forth Ring in Beijing. It contains seven greenhouses and fifteen outdoor garden squares.
采用七甲基乙烯基环四硅氧烷和丙烯酸酯类单体，用乳液聚合的方法同时对明胶改性制作皮革涂饰剂。
In the research, organic silicon and acrylic esters were used to modify the gelatin as leather finishing coatings.
结论：噬菌体筛选pge2受体拮抗剂的方法可行，并且得到的环七肽具有一定的抗炎作用。
Conclusions the method of screening the antagonists of PGE2 receptor by phage display is feasible and the T7 peptides have the anti-inflammatory effect.
该图是由安装在环火星巡逻者上的高智能相机于七月底拍摄的。
The HiRISE camera aboard the Mars-orbiting Mars Reconnaissance Orbiter captured the above image in late July.
所有书面反对环评报告之意见需于二千年七月十一日或以前寄达该处。
All written objections to the EIA report must reach the office by 11 July 2000.
本论文主要研究了稀土氯化物催化的合成氮杂环化合物的反应，得到了新型的七元氮杂环膦酸酯和苯并咪唑衍生物。
The reactions towards synthesis of novel azaheterocyclic phosphonates and benzimidazoles using lanthanide chlorides as catalyst were studied in this thesis:1.
以S-（-）-2，2’-联二萘酚为手性模板分子，合成出了它的两个七元环衍生物。
Two 7 - membered ring derivatives of S-(-)-2,2'- binaphthyl - diol, were synthesized.
以S-（-）-2，2’-联二萘酚为手性模板分子，合成出了它的两个七元环衍生物。
Two 7 - membered ring derivatives of S-(-)-2,2'- binaphthyl - diol, were synthesized.
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