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1. 取决于
a. This is an important distinction, as the overall activity of a catalyst will depend on the material properties, synthesis method, and other possible species that can be formed during activation. (Nat. Mater. 2017,16,225–229)
b. This quantitative partitioning was determined by growing crystals of the 1:1 host–guest complex between ExBox4+ and corannulene. (Nat. Chem. 2014, 6177–178)
c. They suggested that the Au particle size may be the decisive factor for achieving highly active Au catalysts.(Acc. Chem. Res., 2014, 47, 740–749)
d. Low-valent late transition-metal catalysis has become indispensable to chemical synthesis, but homogeneous high-valent transition-metal catalysis is underdeveloped, mainly owing to the reactivity of high-valent transition-metal complexes and the challenges associated with synthesizing them. (Nature 2015, 517,449–454)
e. The polar effect is a remarkable property that enables considerably endergonic C–H abstractions that would not be possible otherwise. (Nature 2015, 525, 87–90)
f. Advances in heterogeneous catalysis must rely on the rational design of new catalysts. (Nat. Nanotechnol. 2017, 12, 100–101)
g. Likely, the origin of the chemoselectivity may be also closely related to the H?bonding with the N or O?atom of the nitroso moiety, a similar H-bonding effect is known in enamine-based nitroso chemistry. (Angew. Chem. Int. Ed. 2014, 53: 4149–4153)
2. 有很大潜力
a. The quest for new methodologies to assemble complex organic molecules continues to be a great impetus to research efforts to discover or to optimize new catalytic transformations. (Nat. Chem. 2015, 7, 477–482)
b. Nanosized faujasite (FAU) crystals have great potential as catalysts or adsorbents to more efficiently process present and forthcoming synthetic and renewable feedstocks in oil refining, petrochemistry and fine chemistry. (Nat. Mater. 2015, 14, 447–451)
c. For this purpose, vibrational spectroscopy has proved promising and very useful. (Acc Chem Res. 2015, 48, 407–413.)
d. While a detailed mechanism remains to be elucidated and there is room for improvement in the yields and selectivities, it should be remarked that chirality transfer upon trifluoromethylation of enantioenriched allylsilanes was shown. (Top Catal. 2014, 57: 967. )
e. The future looks bright for the use of PGMs as catalysts, both on laboratory and industrial scales, because the preparation of most kinds of single-atom metal catalyst is likely to be straightforward, and because characterization of such catalysts has become easier with the advent of techniques that readily discriminate single atoms from small clusters and nanoparticles. (Nature 2015, 525, 325–326)
f. The unique mesostructure of the 3D-dendritic MSNSs with mesopore channels of short length and large diameter is supposed to be the key role in immobilization of active and robust heterogeneous catalysts, and it would have more hopeful prospects in catalytic applications. (ACS Appl. Mater. Interfaces, 2015, 7, 17450–17459)
g. Visible-light photoredox catalysis offers exciting opportunities to achieve challenging carbon–carbon bond formations under mild and ecologically benign conditions. (Acc. Chem. Res., 2016, 49, 1990–1996)
3. 因此
同义词：Therefore, thus, consequently, hence, accordingly, so, as a result
这一条比较简单，这里主要讲一下这些词的副词词性和灵活运用。这些词并不总是以插入语的形式出现在句子最前面，还可以灵活的出现在句子的各个部分，典型的如：
a. Therefore, we shift our focus to free energies, as these are more relevant for a reaction rate analysis. (Nat. Mater. 2017, 16, 225–229)
b. In general, the morphologies and thus performance of state-of-the-art donor polymers are sensitive to the choice of fullerene and replacing PC71BM with another C60-based or non-PCBM fullerene decreases PSC efficiency to 6-7%. (Nature Communications 2014, 5, 5239)
c. We hence determine the steady state excitation density (where excitations can be free charge or excitons) to be between 1013 and 1015 cm?3. (Nature Communications 2014, 5, 3586 )
可以变形为：Hence, We determine the steady state excitation density (where excitations can be free charge or excitons) to be between 1013 and 1015 cm?3.
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