这些元素是很好的电子给体。
意味着,这些元素是非常好的电子给体。
Which means that these elements are very good electron donors.
包括镁，钛，卤素和电子给体的催化剂组分，它的制备和应用。
Catalyst component comprising magnesium, titanium, halogen, and electron donor, its preparation and use.
所述活化剂可以是水溶性烷酰基-给体化合物或螯合过渡金属。
The activator can be a water-soluble alkanoyl-donor compound or a chelated transition metal.
并研究了不同的电子给体对染料的光物理、电化学和光伏性质的影响。
The photophysical, electrochemical properties and photovoltaic performaces of the three as-synthesized dyes with different electron donors were investigated systematically.
对分别使用酸酐和相应的游离羧酸作酰基给体时的反应性能进行了比较。
The performance of the reaction using an acid anhydride as an acyl donor was compared with that using its corresponding free acid.
平均价电子能都较低的元素，我是指那些低于11电子伏的，这些是很好的电子给体。
OK, elements with low average valence electron energy, and here I'm saying below 11 electron volts, these are good electron donors.
在硝基邻位上存在的氢键给体如胺基，酚基时，总与硝基形成分子内氢键。
Donors such as amine and phenolic groups, when positioned ortho to a nitro group, are always involved in intramolecular hydrogen bonding.
同时设计合成了一系列可溶液加工的新型有机给受体小分子太阳能电池给体材料。
Then we designed and synthesized a series of solution processible donor-acceptor small molecules as donor materials.
对四种分子内具有氢给体的电荷转移化合物与阴离子物种间的相互作用进行了研究。
The interaction between four compounds containing hydrogen bond donors and anionic species have been investigated.
药效团包括一个氢键受体，一个氢键给体，一个疏水区和一个带有氯或溴原子的苯环。
The pharmacophore included a hydrogen bond receptor, a hydrogen bond donor, a hydrophobic area and a phenyl ring with a chlorine or a bromine atom.
在每个簇集体含近一个给体分子和一个受体分子的情况下，能量传递效率高达50%。
Under the condition that each co-aggregate contains one A_n and one E_n molecules, the efficiency of energy transfer is as high as 50%.
本文研究了在激发状态下芳烃(受体)和脂肪胺(给体)的相互作用以及高分子链在其中的影响。
The excited state interaction of some aromatic hydrocarbon (acceptor) -aliphatic amine (donor) systems and the effect of polymer chain have been studied.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应，导致生成相应的哌啶羟胺盐酸盐；
The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
在这种包合物中有机小分子是电子的受体，而碳笼则为电子的给体，这与金属富勒烯包合物恰恰相反。
The dopant is an electron acceptor and the cage is a donor which is different from the case of metallofullerenes.
采用CIS方法研究体系的激发态情况，发现给体的给电子能力和分子平面性共同决定激发能的大小。
The excited states were also investigated by using CIS method, the transition energy was determined by the ability of donor giving electrons and the molecular plain.
用于本发明的电子给体组合包括多种取代的蒽化合物或者至少一种取代的蒽化合物与未取代的蒽的组合。
Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.
设计合成了一类以蒽为电子给体，带不同吸电子取代基的苯为电子受体的新型短程有机电子给体受体体系。
A new series of short range donor acceptor systems consisting of anthracene and different substituted benzoic esters were synthesized.
依据非辐射能量转移机理，测定了不同温度下溴甲酚紫与血清白蛋白相互结合时，其给体-受体间距离和能量转移效率。
According to the non-radiation energy transfer theory, the distances and energy transfer efficiencies between dye and protein at various temperatures were obtained.
有机合成法按糖苷化反应糖基给体不同可分为糖基溴苷给体和酰基给体两种方法。生物转化方法是利用生物体为转化体系合成熊果苷。
Organic synthesis can be classified into two ways based upon different donor of glycosyl groups in the glycosidation, namely glycosyl-bromo-glycoside donor and acyl donor.
在DMSO - H_2O混合溶剂中，用TPP和它的四种金属络合物作为敏化剂，EDTA作为电子给体，经可见光照射，成功地还原了甲基紫精。
In DMSO-H2O mixture, using TPP and metal TPP's as sensitizers, EDTA as electron donor, methyl viologen was reduced to the blue methyl viologen cation radical upon irradiation with white light.
他们希望这种装置能够给由于中风、意外事故或老年痴呆症对大脑海马体造成损害的病人提供一条修复记忆功能的途径。
They hope it will provide a way of restoring memory function in patients who have suffered damage to their hippocampus from a stroke, an accident or from Alzheimer's disease.
这一具体的水管理办法是在堆高的垄上种植作物和给料，包括通过垄沟进行水灌溉。
This particular method of water management involves planting crops on raised beds and applying inputs, including irrigation water in furrows.
五岁那一次，你差点把命给丢了，当时我钓上了一条鱼，但是因为太早把它拖上来，几乎让这条船解了体，你还记得吗？
Five and you nearly were killed when I brought the fish in too green and he nearly tore the boat to pieces. Can you remember?
研究人员给56个七个月大的婴儿放一系列不同场景的动画片，里面会有一个类似蓝精灵的角色看一个球滚到桌子上的长方体后。
The researchers showed 56 seven-month-old infants an animated cartoon in which a Smurf-like character watches a ball roll behind a rectangle placed on a table through a number of scenes.
在室内，这种反光板还有一些额外的好处，可以从两个方向给被摄体打光：直接反射光和天花板发射光。
Indoors, a bounce card like this has the added benefit of throwing light onto your subject from two directions, forward and bounced off the ceiling.
他们依靠两人一体的组合连在一起，在这个组合中卡洛斯•特维斯和艾丁•哲科奋勇争先，一度给诺士郡造成极大威胁。
They hinged on the one-two combination with which Carlos Tevez and Edin Dzeko condemned a brave and at one point menacing Notts County to the sword.
为了给莫斯科之行做准备，我专门买了一本旅行指南和一张很管用的英文版街道地图，因为我看不懂俄语的西里尔字母的书写体。
I had prepared for the trip to Moscow by getting a guidebook and a good street map in English since I couldn't read the Russian Cyrillic script.
顺便一提，也许你很好奇，苹果店玻璃立方体怎么都用胶合板给遮起来了，这是因为公司决定重新装修一下，把原来的90块玻璃减少到15块。
Anyway, in case you're wondering why the Apple cube is enshrouded with plywood, it's because the company has decided that 90 pieces of glass is too many and it's replacing them with 15 pieces.
顺便一提，也许你很好奇，苹果店玻璃立方体怎么都用胶合板给遮起来了，这是因为公司决定重新装修一下，把原来的90块玻璃减少到15块。
Anyway, in case you're wondering why the Apple cube is enshrouded with plywood, it's because the company has decided that 90 pieces of glass is too many and it's replacing them with 15 pieces.
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