查询词典 equiv.

Carl zeiss vario-Tessar: 5,8 - 17,4 mm 35 - 105 mm in 35-mm equiv.

f/2，8 - f/4，8卡尔蔡司等进行荔枝蝽：滴定-18.2%毫米(35-105毫米，35毫米同等学历)。，响应变化，8-f/4显效

A A reactionEffective experimental conditions for 1 mmol olefins in the AA reactions employed 3.1 equiv.

配体在对甲基肉桂酸甲醋的AA中立体选择性最高，产物的光学纯度为96%ee。

Through sampling measurement at reservoirs of hydropower stations, the greenhouse gases emission factor in large and medium hydropower stations in the south of China is analyzed and preliminarily calculated as 243.1 g〓equiv.

通过实验和计算得到的我国南方大中小型水电站的温室气体排放系数为243.1g〓当量／kWh，与国外文献报道的数据0.5～410g〓当量／kWh比较，该结果在此范围之内。

Annual Sales US$ equiv.

年销售收入以美元计

Annual Sales US$ equiv.

年销售收入以万美元计

The result showed simple imidazolium based ionic liquids had excellent catalytic activity, especially when under mild conditions with 0.5 equiv. EMIMBr / K_2CO_3(1 /1.1) in CH_2Cl_2, the desired benzoin was obtained in yield of 86%.

结果表明简单咪唑基离子液体对安息香缩合反应具有比较高的催化活性，当在CH_2Cl_2中，50mo1%EMIMBr/K_2CO_3(1/1.1)时，苯偶姻产率可达86%。

Aimed at substrate S1 and S2, the reation condition is : MeOH: H_2O = 9:1 as solvent, 1 equiv. K_2CO_3 as base.

针对S1、S2两种底物，以甲醇：水=9：1做溶剂，1当量的碳酸钾做碱为反应条件。

On the basis of the above N-vinylaiton of amides,the Cu-catalyzed intramolecular C-S coupling of thiols was implemented for the first time with CuI (10 mol%) as the catalyst and K_3PO_4·3H_2O2 equiv.

在酰胺氮烯基化研究的基础上，我们进而开展了烷基硫醇分子内烯基化反应研究。

With TEMPO(5 mol%) as the catalyst,N-methyl-N-phenyl-hydrazine(1.2 equiv.) as the amine source,the direct ortho-amination of 2-naphthols could be easily achieved.The reaction was carried out at room temperature under air atmosphere.

以5 mol%TEMPO为催化剂，1.2当量N-甲基-N-苯基肼作氨源，二氯甲烷为溶剂，空气中，室温下，实现了对2-萘酚邻位氨基化，可以高效的合成1-氨基-2-萘酚类化合物。

Similarly, HMPA has theability to markedly affect the stereoselectivity of the tandem reaction.β-Aminoketones can be generated with high stereoselectivity (the ratio of trans-anti andtrans-syn is up to 94/6) when 4 equiv. of HMPA was used as the additive in THF.

其次，我们以二乙基锌来引发串联反应，发现HMPA对反应的选择性同样产生显著的影响，并通过在反应体系中加入4当量的HMPA，高立体选择性地得到了β-氨基酮类化合物(trans-anti／trans-syn一般为94／6)。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。