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A radical addition and cyclization relay promoted by Mn(OAc)_(3)·2 H_(2)O:Synthesis of 1,2-oxaphosph
Novel and efficient Mn(OAc)3·2 H2O promoted radical addition-[4+1]cyclization relay of 3-indolymethanols and phosphites......
Review articles can be extremely valuable.They synthesize information for readers,often provide clarity and valuable ins......
Mg/Ca Variation in Planktonic Foraminiferal Tests:Assessing Influence of Salinity and Diagenetic Car
Over the past decade,the Mg/Ca ratio in foraminiferal tests has emerged as a valuable paleotemperature proxy.In this stu......
Reversing multidrug resistance by RNA interference through the suppression of MDR1 gene in human hep
AIM: To reverse the multidrug resistance (MDR) by RNA interference (RNAi)-mediated MDR1 suppression in hep-atoma cells. ......
1.An hour in the morning is worth two in the evening.一日之计在于晨。2.As every thread of gold is valuable,so every mom......
<正> Panax ginseng is a valuable medicine in China. The seeds contain immatured embryos at harvest. Thus a period of hig......
We have already known that many risk factors have an effect on the spread of the AIDS. A macroscopic analysis is done by......
Let Σ be a compact surface, with nonempty C<sup>2+γ</sup> boundary Σ. Let CP<sup>n</sup> be the n-dimensional complex......
The single event effects (SEE) threaten the reliability and life of semiconductor devices used to spacecrafts. So it is ......
Daniel Yang, Managing Partner of SAIF Partners, shares with Chinese Venture his experiences as a venture capitalist, his......
Modern societies increasingly rely on automatic control systems. These systems are hardly pure technical systems; instea......
|Editor’s note: The following article is written by a student of Qinhua University.The experience in enlarging his sto......
A series of 7-azaindol derivatives were designed based on the homologous 3D model of human acrosin.These compounds were ......
It was first proposed that an extended chain Ising (ECI) model contains the Ising chain model,single spin doublewell pot......
THE GUARDIANS OF THE HOLY LAKE——A Record of the Observations of the Chinese Academy of Sciences Stat
In July of 2005,the holy lake Namtso welcomed several special guests who were subsequently stationed there to start a lo......
Oxygenolysis reaction mechanism of copper-dependent quercetin 2,3-dioxygenase:A density functional t
The mechanism of the action of copper-dependent quercetin 2,3-dioxygenase(2,3QD) has been investigated by means of hybri......
Asymmetric reduction of α-hydroxy aromatic ketones to chiral aryl vicinal diols using carrot enzymes
Asymmetric reduction ofα-hydroxy aromatic ketones was carried out by using carrot enzymes system,yielding corresponding......
2014年9月20-21日|上海国际会议中心20-21 September 2014|Shanghai International Convention Center(SHICC)两天丰富日程,业界专......
In the paper weakness of air leakage system in our company is discussed firstly. Secondly the improved scheme of air lea......
A new rhodamine B derivative T1 has been rationally synthesized and displayed selective Pd(Ⅱ)-amplified absorbance and ......
Hexafluoropropylene oxide(HFPO) oligomers are toxic,bioaccumulative,and persistent organic pollutants(POPs).Consuming th......
Atomically precise gold nanoclusters have recently attracted intensive attention due to their significance in catalysis,......
Three Gorges Project (TGP),the largest water resources and hydropower project in the world with huge scale and complex t......
In order to evaluate a full trailer’s vibration performance,lumped mass model of seven degrees of freedom is set up to ......
观念,是改变世界的最大原动力,它将人类从茹毛饮血的原始社会带到了繁荣、数字化的当今时代。在人类文明发展的漫长历程中,无数新......
Concise synthesis of valuable chiral N-Boc-β-benzyl-β-amino acid via construction of chiral N-Boc-3-
Valuable chiral N-Boc-β-benzyl-β-amino acid was concisely synthesized via construction of chiral NBoc-3-benzyl-5-oxois......
Books are our friends because they are bridges to knowledge.Knowledge is valuable because it enriches our life and bring......
很多人一辈子有两个追求:一个是有钱,一个是值钱。有的人运气好,出生在富贵之家,他们不必担心钱的问题,但有钱解决不了第二个问题:......
it可用作人称代词、指示代词、先行词及引导词等。1.人称代词it,是第三人称单数中性,代表前文已提到过的一件事物。如:1)That vase......
值此第十九届国际昆虫学大会和国际林联(IUFRO)第四届国际种实害虫研讨会即将召开之际,我们《陕西林业科技》编辑部特邀请国内有......
People often say,“Time is money,”But in fact time is more valuable than money.Why?Because when money is spent,we can e......
Mammary epithelial cells with lactational function can be a valuable cellular model for research of the development and ......
对于过去、现在和未来,每个人都有自己的态度。哪段岁月才是人生最美好的时光呢?有的人回答是过去,因为逝去的岁月中有那么多值得......
你的衣橱里是否挂满了自买回后就没再穿过的衣服?你的书柜里是不是摆满了连碰都没碰过的书籍?你的生活中是不是充斥着无数毫无意义......
In 1988 Zheng Haigen, a seaman with the Towboat Company of the Shanghai Salvage Bureau, began collecting spiral shells.......
Currently,self-confidence has become the order of our life,which improves the theory that nothing is more valuable than ......
A geological research project around the Wenchuan earthquake site yields valuable results The fault zone responsible for......
The rapid and continuous growth of the Chinese economy is closely associated with its dynamic regional and urban economi......
《大学英语》(文理科本科用)第三册,第六课“Why I Teach”(我为什么当教师)第二段有这样一句话“Certainly I don’t teach beca......
AIM:To evaluate the long-term effect of aerobic and/or anaerobic exercise on glycemic control in youths with type 1 diab......
China is a highly-seismic country with abundant records of historical earthquakes, numerous valuable scientific data an......
The following paragraphs are the harvest of a geological investigation madeduring the spring of 1939 in the province of......
U.S. basketball back to its winning best at the Beijing Olympics Kobe Bryant, the most valuable player in the 2007/8 NBA......
Pure Lines of Maize valuable in agricultural production could be bred by anther culture. It has been proved by our work......
In recent times,countries of South Eastern Europe have made clear their strong desire to develop by learning valuable le......
The characteristics of photo, thermal and doping isomerizations of polyacetylene werediscussed. A new biradical mechani......
