2

The optimal molar ratio of CH _ 3 CH ( OH ) CH _ 2 OCH _ 2 CCH _ 2 OH to CH _ 3 CH ( OH ) CH _ 2 OCH _ 2 CCCH _ 2 OCH _ 2 CH ( OH ) CH _ 2 is: 1~2 .

其中CH_3CH ( OH ) CH_2CH_ 2OCH_2CCCH_2OH和CH_3CH ( OH ) CH_ 2OCH_2CCCH_2OCH_ 2CH ( OH ) CH_2的摩尔比以1至2最佳.

9 percent interest less 7 percent inflation equals 2 percent.

9%的利息减去7%的通货膨胀率等于2%。

London seems destined to lose more than 2,000 hospital beds.

伦敦似乎一定会丧失2,000多个医院床位。

CGH analysis indicated copy number gains of 1 p 1, 1 q 2-4,2 p 1,2 q 1,5 p, 7 p 14,7 q 21,11 q 1,15 q 2,20 q and losses of 2 p 2,2 q 2,3 p , 4,9 p, 14,18, Xq.

比较基因组杂交结果得出染色体1p1、1q2-4 、 2p1、2q1、5p 、 7p14、7q21、11q1、15q2 、 20q扩增, 其中5p表现出高水平的扩增.

Nearly 2,500 have died in separatist violence this year.

近2,500人在今年的分裂主义暴乱中丧生。

He won the decider which completed England's 3-2 victory over Austria.

他取得了决赛局的胜利，帮助英格兰最终以3：2战胜奥地利。

The rate of inflation is running at about 2.7 percent.

通货膨胀率大约为2.7%。

£2,500 for software is soon swallowed up in general costs.

用于软件方面的2,500英镑很快就被一般性费用耗光了。

The liquidus temperaturecurves and spontaneous crystallization temperature curves of three systems, i . e . BaB _ 2 O _ 4-BaF , BaB _ 2 O _ 4-BaCl _ 2 and BaB _ 2 O _ 4-BaB _ 2 O _ 4· Na _ 2 O, are given.

详细地介绍了寻找适合于此晶体生长的最佳助熔剂,并给出BaB_2O_ 4Κ—BaF_2,BaB_2O_ 4—BaCl _2和BaB_2O_4—BaB_2O_4·Na_2O等三种体系的液相线温度曲线和自发结晶温度曲线.

The spectral proper-ties of the reactions of T ( 4-MOP ) PS _ 4 , withCu ~ ( 2 + ), Pb ~ ( 2 + ), Zn ~ ( 2 + ), Cd ~ ( 2 + ), Co ~ ( 2 + ) and Mn ~ ( 2 + ) have beeninvestigated.

探讨了试剂的特性及其与Cu~ ( 2+ ) 、 Pb~ ( 2+ ) 、 Zn~ ( 2+ ) 、 Cd~ ( 2+ ) 、 Co~ ( 2+ ) 和Mn~ ( 2+ ) 反应的最适条件.测得了这些配合物的配位比 、 摩尔吸光系数.

Some conditions are put forward about improving the up-conversion efficiency through study of oxy-fluoride glasses based on TeO 2, GeO 2, ZnF 2, SiO 2 and PbF 2. Hosts with low phonon energy benefit the energy up-conversion.

通过以TeO2，GeO2，ZnF2，SiO2，PbF2等为主体的氟氧化物玻璃陶瓷基质材料的研究提出了提高上转换效率的某些条件。

He recovered from a 4-2 deficit to reach the quarter-finals.

他在2比4落后的情况下实现逆转闯进1/4决赛。

I had a very good 14.2 hands pony, called Brandy.

我有一匹很棒的14.2手高的小马，名叫布朗迪。

Between July and August, oil product prices fell 0.2 per cent.

七八月间，石油产品价格下降了0.2％。

While the mixture of Ni ~ ( 2 + ) , Cu ~ ( 2 + ) , Zn ~ ( 2 + ) and that of Co ~ ( 2 + ) , Ni ~ ( 2 + ) had inhibitive effect on cellulase.

当Ni2+、 Cu2 + 、 Zn2+3种离子, Co2 +、 Ni2 +2种离子混合共同作用于反应时, 表现出抑制作用.

There were 2,250 policemen on duty in and around the stadium.

在体育场内及周边有2,250名警察在值勤。

Pr ~ ( 3 + ) doped bismuth tellurite glass with molar composition 7.5 Li _ 2 O-7.5 K _ 2 O-5 BaO-5 Bi _ 2 O _ 3-75 TeO _ 2 were prepared.

制备了Pr~ ( 3+ ) 掺杂7.5Li_ 2O-7.5K_2O-5BaO-5Bi_2O_3-75TeO_2铋碲酸盐玻璃.

Lanthanum zirconate ( La 2 Zr 2 O 7 , LZ ) and CeO 2-La 2 O 3-ZrO 2 ( LCZ ) composite ceramic powders were prepared by the chemical precipitation.

采用化学沉淀法制备了La2Zr2O7 ( LZ ) 和CeO2-La2O3-ZrO2(LCZ ) 陶瓷粉末.

First , LiOH · H _ 2 O , FeC _ 2 O _ 4·2 H _ 2 O and NH _ 4 H _ 2 PO _ 4 were selected as the raw materials based on their characteristics.

对固定体系反应历程的研究发现:由于LiOH·H_2O 、 FeC_2O_4·2H_2O两 种原料之间相互反应生成Fe( OH) _2,导致混料阶段产生Fe~(3+)杂质.

In that 2.7-litre form it really was a terrific racing car.

其2.7升的车型确实是非常棒的赛车。

Send a cheque for £18.99 plus £2 for postage and packing.

请寄上18.99英镑的支票，外加2英镑的邮资和包装费。

The distribution of vanadium between melt and CaOMgO _ ( sat )-Fe _ tO-MnO-SiO _ 2-V _ 2 O _ 5-TiO _ 2-Al _ 2 O _ 3 slag in BOF was studied by thermodynamics experiment.

通过热力学试验研究的方法研究了1600℃时含钒铁液与含钒转炉渣系CaO-MgOsat-FetO-MnO-SiO2-V2O5-TiO2-Al2O3间钒的分配平衡.

The expansion of ( a + b ) ^ 2 is a ^ 2 + 2 ab + b ^ 2.

( a+b ) ^2的展开式是a^2+2ab+b^2.

Positivities of CIC, RF and direct Coombs test were found in 6 ( 6 7 % ), 2 and 2 patients ( 2 2 % ) respectively.

CIC 、 RF或直接Coombs试验阳性者分别有6例 ( 6.7% ) 、 2例和2例 ( 2.2% ).

The electronic absorption Spectrum and ESR Spectrum of the crystalof title Compound [ Cu ( C _ 7 H _ 4 NO _ 3 S ) _ 2 ( H _ 2 O ) _ 4 ] ·2 H _ 2 O are measured.

术文报告了 [ Cu ( C_7H_4NO_3S ) _2 ( H_2O ) _4 ] ·2H_2O晶体的电子吸收光谱和ESR谱的测定结果.

It was a close run thing before Spain beat Poland 3-2.

比赛难分高下，最终西班牙以3比2击败波兰。

The optimal molar ratio of CH _ 3 CH ( OH ) CH _ 2 OCH _ 2 ≡ CCH _ 2 OH to CH _ 3 CH ( OH ) CH _ 2 OCH _ 2 C ≡ CCH _ 2 OCH _ 2 CH ( OH ) CH _ 2 is: 1~2 .

其中CH_3CH ( OH ) CH_2CH_ 2OCH_2C≡CCH_2OH和CH_3CH ( OH ) CH_2OCH_2C≡CCH_2OCH_ 2CH ( OH ) CH_2的摩尔比以1至2最佳.

The delighted pensioner walked off with a £2,000 prize.

那个退休老人轻松赢得了2,000英镑的奖金，高兴得不得了。

The average adult man burns 1,500 to 2,000 calories per day.

普通成年男子每天消耗的热量为1,500到2,000卡路里。

The change of emission spectra in Y _ 2 O _ 2 S : Sm ~ ( 3 + ) , Mg ~ ( 2 + ) , Ti ~ ( 4 + ) and Y _ 2 O _ 2 S : Tb ~ ( 3 + ), Mg ~ ( 2 + ), Ti ~ ( 4 + ) were studied though altering the concentration of activator.

通过改变掺杂激活剂离子的含量,分析了合成样品Y_2O_2S:Sm~(3+),Mg~ (2+),Ti~ (4+ ) 和Y_2O_ 2S:Tb ~ ( 3+ ), Mg~ ( 2+ ), Ti~ ( 4+ ) 中发射光谱的变化.