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1、英文学术论文常用高级词汇和精美句型1.与时间相关的 no change on 1-day intervals for 3 consecutive days at given intervals of time (30, 50, and 90 min) for a given exposure time increased with age. for different time span. After the scheduled time, each sample was tested. throughout the entire test period. It will decrease a
2、s time passes.2. 表示增加或下降的 An increase in the FA content decreased the decrease with increase in deceases as increases, and increases as increase. As is lowered. augment The cumulative AE energy increases with a stepwise pattern in which each sudden jump of energy can be related to develop at an incr
3、easing rate with time3. 表示原因, 由哪些因素决定 probably due to A possible mechanism contributing to the reduction of is This might be attributed to depends on the two main mechanisms is a common cause of is the essential parameter governing the , contributing in part to the interface separation phenomenon, b
4、esides the above-described possible interfacial material toughening mechanism. the cause of this resides in Two parameters are considered in this study to evaluate the strengthening effectiveness with regard to the amount of FRP (i.e., the number of layers of sheets) and construction imperfections.4
5、. 表示展示。 exhibit illustrate present reflect depict is plot in describe5. 表示某种掺量。 high volume fly ash contain high percentages of fly ash as a replacement of cement (0,15,30 by weight of total cementitious materials) for concrete incorporating 30% and 40% fly ash. increase the amount of fly ash in con
6、crete as partial cement replacement materials with partial fly ash substitution are incestigated. the dosage of fly ash with a certain amount of fly ash added6. 性能的词汇 mechanical property transport property workability flexibility sustainability serviceability7. 表示测试 examine8. 表示超过 exceed9. 有关图片或表格的
7、As seen from Table 2, The result ofare presented in Table 4. A was plotted against square root of time (t0.5 in min0.5) was monitored with the SC3000 which was positioned, as seen in Fig.2a. Sketch of the experimental setup T is plotted as absolute value against the impact energy in Fig.9 Fig.5(c) a
8、nd (d) shows the load versus strain and midspan deflection versus strain curves of the concrete.10. 至于，对于而言 As for In the case of11. 表示比较，对比 The mixture containing 10% FA replacement showed higher strength than mixtures containing 40% and 70% FA replacement. As compared to Ais higher than when it su
9、bstitutes in contrast to Existing damages may lead to catastrophic failures at loading stages earlier than those corresponding to intact specimens. is comparable to or greater than these values are theoretically detectable. The test results were compared with the axial stress-strain behavior of wate
10、r saturated specimen to that of dry specimens. a tremendous amount of AE activities, much greater than that of CB, was recorded because12. 表示效果更明显 The effect was more pronounced with increased dominant have determinant impact on13. 表示结构或材料致密 matrix densification pore structure densification the pore
11、 system becomes finer and less connected14. 影响 Increases in FA contents showed no significant effect on seemed to be insensitive to become decisive for the durability of the concrete The durability of concrete structures has substantial economic, social, and environmental implications. Deicers may a
12、lso pose detrimental effects on15. 因此 Consequently, As a result,16. 表示评价，评估 quantify evaluate assess interpret17. 学科术语（阻抗谱） impedance response EIS spetra electrode arcs in a Nyquist plot (plot of real vs. imaginary impedance) Rct1 extracted from the model captures the changes in microstructure with
13、time.（孔特征） pore structure distribution total porosity pore structure pore network pore walls tortuous pathways（掺合料） fly ash slag silica fume supplementary cementing materials mineral additives low-and high-calcium fly ash（测试方法） SEM：Scanning electron micrograph pigmentation X-ray diffraction analysis
14、 microscopy observation ultrasonic speed measurement acoustic emission technique accelerated ageing test（土建工程） civil infrastructures wide use in Civil Engineering historical heritage masonry structures concrete structures, pavements, and bridge decks（测试仪器） vibrated for 30 sec on a vibration table te
15、sting machine with maximum load capacity of 50kN. the hammer is hemispherical 24mm in diameter（测试试剂） coupling agent between the sensor and the concrete surface（操作工艺） The molds were stripped after 24 hours Each measure was performed on five samples and the results averaged. Aggregates were carefully sieved and remixed to conform to the ASTMC33 grading sta
