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| 1 | Progress of the key materials for organic solar cells显示文摘Organic solar cells have attracted academic and industrial interests due to the advantages like lightweight,flexibility and roll-to-roll fabrication.Nowadays,18%power conversion efficiency has been achieved in the state-of-the-art organic solar cells.The recent rapid progress in organic solar cells relies on the continuously emerging new materials and device fabrication technologies,and the deep understanding on film morphology,molecular packing and device physics.Donor and acceptor materials are the key materials for organic solar cells since they determine the device performance.The past 25 years have witnessed an odyssey in developing high-performance donors and acceptors.In this review,we focus on those star materials and milestone work,and introduce the molecular structure evolution of key materials.These key materials include homopolymer donors,D-A copolymer donors,A-D-A small molecular donors,fullerene acceptors and nonfullerene acceptors.At last,we outlook the challenges and very important directions in key materials development. | Yang Tong Zuo Xiao Xiaoyan Du Chuantian Zuo Yuelong Li Menglan Lv Yongbo Yuan Chenyi Yi Feng Hao Yong Hua Ting Lei Qianqian Lin Kuan Sun Dewei Zhao Chunhui Duan Xiangfeng Shao Wei Li Hin-Lap Yip Zhengguo Xiaol Bin Zhang Qingzhen Bian Yuanhang Cheng Shengjian Liu Ming Cheng Zhiwen Jin Shangfeng Yang Liming Ding | 2020 | Science China Chemistry2020，63，6： | 15 |
| 2 | Reliability analysis of marine risers with narrow and long corrosion defects under combined loads显示文摘A marine riser, one of the most important components of offshore oil/gas transportation, needs to be designed to eliminate the risks caused by complex ocean environments, platform displacement and internal corrosion, etc. In this study, a new analytical-numerical assessment approach is proposed in order to quantitatively investigate the reliability of internally corroded risers under combined loads including axial tension and internal pressure. First, an analytical solution of the limit state function of intact risers under combined loads is obtained, which is further modified by the non-dimensional corrosion depth(d/ t) for the risers with a narrow and long corrosion defect. The relationship between d/t and limited internal pressure is obtained by finite element analysis and nonlinear regression. Through an advanced first-order reliability method(HL-RF) algorithm, reliability analysis is performed to obtain the failure probability, the reliability index and the sensitivity. These results are further verified by Monte-Carlo importance sampling. The proposed approach of reliability analysis provides an accurate and effective way to estimate the reliability of marine risers with narrow and long corrosion defects under combined loads. | Hu Xianwei Zhou Canfeng Duan Menglan An Chen | 2014 | Petroleum Science2014，11，1： | 10 |
| 3 | Metal Sealing Performance of Subsea X-tree Wellhead Connector Sealer显示文摘The metal sealing performance of subsea X-tree wellhead connectors is crucial for the safety and reliability of subsea X-trees. In order to establish the theoretical relation between metal sealing ring's contact stress and its structural parameters and working pressure, a mechanical analysis method for double-cone sealing of high pressure vessels is applied in analyzing the metal sealing ring under the condition of preload and operation. As a result, the formula of the unit sealing load for the metal sealing ring under operation with residual preload is shown in this paper, which ensures that the metal sealing ring has an excellent sealing effect and can prevent the metal sealing ring from yielding. Besides, while analyzing the sealing process of the metal sealing ring, the change rule of contact stress and working pressure is concluded here, putting forward that the structural parameters of the metal sealing ring are the major factors affecting the change rule. Finally, the analytical solution through theoretical analysis is compared with the simulation result through finite element analysis in a force feedback experiment, and both are consistent with each other, which fully verifies for the design and calculation theory on metal sealing ring's contact stress and its structural parameters and working pressure deduced in this paper. The proposed research will be treated as an applicable theory guiding the design of metal seal for subsea X-tree wellhead connectors. | ZHAO Honglin CHEN Rui LUO Xiaolan DUAN Menglan LU Yinghui FU Guowei TIAN Hongping YE Daohui | 2015 | Chinese Journal of Mechanical Engineering2015，28，3： | 9 |
| 4 | Systematic Identification of the Light-quality Responding Anthocyanin Synthesis-related Transcripts in Petunia Petals显示文摘Previous studies have shown that high light intensity can induce anthocyanin synthesis(AS)in petunia plants.To identifywhich kind of light quality plays a role in inducing such metabolic process,and what transcripts participate in controlling it,we carried out whole-transcriptome sequencing and analysis of petunia petals treated with different light-quality conditions.Among the red and white light treatments,a total of 2205 differentially expressed genes and 15,22,and 20 differentially expressed circRNAs,miRNAs,and lncRNAs,were identified respectively.The AS-related genes,including the structural genes CHSj,F3H,F35H,DFR,and ANS,and the regulatory genes AN4,DPL,PHZ and MYBx were found to be downregulated under red light condition compared with their levels under white light condition.Furthermore,the light photoreceptor Cryptochrome 3(CRY3)and a series of light-dependent genes,such as PIF,HY5,andBBXs,were also determined to respond to the light treatments.The anthocyanin contents in early petunia petals under red light were significantly lower than that under white and blue light.The results of qRT-PCR further confirmed the expression pattern of some AS-related and light-response genes in response to different light quality.Yeast two-hybrid results showed that the key elements in the light signal pathway,HY5 can interact with BBX19,BBX24 and BBX25.And PHZ,the important AS regulator can induce anthocyanin synthesis in response to blue light quality fromtransient expression analysis in petunia petals.These findings presented here not only deepen our understanding of how light quality controls anthocyanin synthesis,but also allow us to explore potential target genes for improving pigment production in petunia flower petals. | Zhenzhu Fu Hongquan Shang Hui Jiang Jie Gao Xiaoyu Dong Huijuan Wang Yanmin Li Limin Wang Jing Zhang Qingyan Shu Yacong Chao Menglan Xu Rui Wang Liangsheng Wang Hechen Zhang | 2020 | Horticultural Plant Journal2020，6，6： | 7 |
| 5 | Recent development on COX-2 inhibitors as promising anti-inflammatory agents:The past 10 years显示文摘Cyclooxygenases play a vital role in inflammation and are responsible for the production of prostaglandins.Two cyclooxygenases are described,the constitutive cyclooxygenase-1 and the inducible cyclooxygenase-2,for which the target inhibitors are the non-steroidal anti-inflammatory drugs(NSAIDs).Prostaglandins are a class of lipid compounds that mediate acute and chronic inflammation.NSAIDs are the most frequent choices for treatment of inflammation.Nevertheless,currently used anti-inflammatory drugs have become associated with a variety of adverse effects which lead to diminished output even market withdrawal.Recently,more studies have been carried out on searching novel selective COX-2 inhibitors with safety profiles.In this review,we highlight the various structural classes of organic and natural scaffolds with efficient COX-2 inhibitory activity reported during 2011-2021.It will be valuable for pharmaceutical scientists to read up on the current chemicals to pave the way for subsequent research. | Zhiran Ju Menglan Li Junde Xu Daniel C.Howell Zhiyun Li Fen-Er Chen | 2022 | Acta Pharmaceutica Sinica B2022，12，6： | 4 |
| 6 | Confining shell-sandwiched Ag clusters in MnO_(2)-CeO_(2)hollow spheres to boost activity and stability of toluene combustion显示文摘Supported noble metal catalysts have the promising application in volatile organic compounds(VOCs)catalytic combustion but suffer from the deactivation due to noble metal sintering at high temperatures.Herein,we report the construction of shellsandwiched MnO_(2)-Ag-CeO_(2)hollow spheres with remarkable sintering resistance and high activity in toluene combustion.Ag clusters were sandwiched between outer MnO_(2)and inner CeO_(2)shell to enlarge and stabilize metal–support active interface.The unique hollow structure could alter the electronic states of catalysts sites and increase the adsorbed site of reactant molecules.Meanwhile,Mn–Ag–Ce multi-interfaces in MnO_(2)-Ag-CeO_(2)could facilitate the sustainable activation and the stable release of oxygen species via a tandem transfer.The oxygen species at Ag–Mn interface perimeter were instantly replenished by Ag–Ce interface to accelerate a deep oxidation of intermediates,guaranteeing the opening of benzene ring to generate maleic anhydride.This investigation provides a promising method for constructing efficient and sintering-resistant cluster catalysts for VOCs oxidation. | Menglan Xiao Xueqin Yang Yue Peng Yucong Guo Yuechang Wei Maofa Ge Xiaolin Yu | 2022 | Nano Research2022，15，8： | 4 |
| 7 | Integrin β4 was downregulated on the airway epithelia of asthma patients显示文摘流上皮的功能的动态平衡的上皮的房间和损失是的航线气喘的主要病理学的特征;然而,位于这些病理下面的机制仍然保持阴暗。我们的以前的工作证明在 integrin 的 5 flanking 区域有三个变化地点 4 在气喘病人,它与 integrin 的减少的表示被相关 4 在外部白血球。Integrin 4 是航线 epithelia 上的一个重要结构的粘附分子保留上皮的房间的结构的粘附。在这个工作,我们进一步表明了 4 表示是的那 integrin 在气喘病人的航线 epithelia 的 downregulated。探查在 integrin 的 imbalanced 表示之间的关系 4 并且航线的机能障碍在气喘的上皮的房间, integrin 4 由 integrin 是在人的支气管的上皮房间(16HBE14O ) 的 silenced 4 小介入的 RNA lentivirus 向量。在 integrin 的 silencing 之上 4, 16HBE14O 房间显示出减少的增长和创伤修理。大多数房间被显示在 integrin 以后在 G1 阶段被逮捕 4 silencing,和增加的 apoptosis 在 integrin 4 沉默房间被导致。在摘要,我们的结果提供了引人注目的证据那 integrin 4 涉及结构的正直和航线的功能的动态平衡上皮的房间。它是可能的 4 在气喘航线 epithelia 上贡献的 integrin 的那 downregulation 航线的结构的混乱和机能障碍上皮的房间。 | Chi Liu Yang Xiang Huijun Liu Yun Li Yurong Tan Xiaolin Zhu DanZeng Menglan Li Liwen Zhang Xiaoqun Qin | 2010 | Acta Biochimica et Biophysica Sinica2010，42，8： | 4 |
| 8 | Model test investigation on an innovative lifting system for deepwater riser installation显示文摘An S-lay crane barge,named CNOOC 201,has been built for pipe laying in deepwater oil/gas fields in the South China Sea.It is due to be commissioned by the end of the year 2010.A special lifting system is developed to meet the challenge that installing deepwater risers from an S-lay barge is difficult and has not been achieved.The purpose of this paper was to investigate the model test on such an innovative system,which has to be done before field application.By applying the similarity theory,the movement of the S-lay barge is simulated through a six degrees-of-freedom motion platform,and a truncated model riser is utilized for the model testing.The displacement and force boundary conditions at the truncated position of the riser are obtained from the catenary governing equation and become realized by a slideway cart and a loading system designed to control the configuration of the model riser,which presents a similar configuration to a real riser in deepwater.The test results are in very good agreement with theoretical calculations,showing that the active truncated test is applicable for controlling the configuration of the deepwater riser in model testing investigation. | Mao Dongfeng Duan Menglan Wang Yi He Ning Chen Bangmin Zhang Yingjie | 2010 | Petroleum Science2010，7，4： | 4 |
| 9 | 温拌添加剂对沥青结合料PG分级的影响研究显示文摘采用室内试验量化分析了不同温拌添加剂对基质沥青和SBS改性沥青结合料PG分级的影响。结果表明:温拌添加剂对沥青结合料的PG分级影响程度取决于沥青和添加剂种类、添加剂含量和RTFOT老化温度等。石蜡基添加剂Sasobit对沥青结合料PG分级产生强化作用,在其典型掺量3%时,沥青结合料的PG分级上限、下限和中间温度可分别提高13.5、6.9和5.0℃。在正常掺量范围内,Aspha-min温拌添加剂对沥青结合料的PG分级上限、下限和中间温度影响不大。剔除个别异常数据,RTFOT老化温度163~133℃的变化对沥青结合料PG分级无显著影响。 | 刘克非 Chaofan Wu Menglan Zeng | 2015 | 中外公路2015，35，4： | 4 |
| 10 | Time-and Frequency-Domain Analysis of Ice-Induced Displacement Responses Offshore Fixed Platforms显示文摘—On the basis of ice-induced forced vibration model,ice-induced displacement responses ofoffshore fixed platforms are investigated in both time domain and frequency domain.The relationships ofice-induced displacement responses with ice breaking modes,ice acting directions and platform structuresare analyzed and determined.The results lead to an important conclusion obtained for the first time thatice breaking frequency and the natural frequency of the first mode of the platform are the two main fac-tors that dominate the degree of vibration.The present work provides a firm basis for both design and op-eration of fixed platforms against ice loading. | Gao, Zhaojie Duan, Menglan | 1998 | China Ocean Engineering1998，13，4： | 3 |
| 11 | Combining chlorination and sulfuration strategies for high-performance all-small-molecule organic solar cells显示文摘Three small-molecule donors based on dithieno [2,3-d:2’,3 ’-d’]-benzo[1,2-b:4,5-b’] dithiophene(DTBDT)unit were designed and synthesized by side chain regulation with chlorinated or/and sulfurated substitutions(namely ZR1,ZR1-Cl,and ZR1-S-Cl respectively),along with a crystalline non-fullerene acceptor IDIC-4 Cl with a chlorinated 1,1-dicyanomethylene-3-indanone(IC) end group.Energy levels,molar extinction coefficients and crystallinities of three donor molecules can be effectively altered by combining chlorination and sulfuration strategies.Especially,the ZR1-S-Cl exhibited the best absorption ability,lowest higher occupied molecular orbital(HOMO) energy level and highest crystallinity among three donors,resulting in the corresponding all-small-molecule organic solar cells to produce a high power conversion efficiency(PCE) of 12.05% with IDIC-4 Cl as an acceptor. | Ruimin Zhou Chen Yang Wenjun Zou Muhammad Abdullah Adil Huan Li Min Lv Ziyun Huang Menglan Lv Jianqi Zhang Kun Lu Zhixiang Wei | 2021 | Journal of Energy Chemistry2021，30，1： | 3 |
| 12 | Lateral buckling of non-trenched high temperature pipelines with pipelay imperfections显示文摘An analysis method for the buckling process of a pipe section with a random pipelay imperfection is proposed. Four basic lateral modes,acquired by fi nite-element(FE) eigenvalue buckling analysis,are combined to provide the needed grid conf igurations for describing a real pipelay imperfection and an arc-length algorithm is used to analyze the snap-through process of the shell-element-grid model under nonlinear frictional boundary conditions. This paper also presents evaluation methods for the lateral buckling of two types of pipe-in-pipe systems that are used in the offshore oil and gas industry. For evaluating the buckling and postbuckling of compliant pipe-in-pipe systems FE analyses were carried out to judge the occurrence of the system buckling and furthermore to check postbuckling stresses induced in the buckles. The calculated results of the modifi ed Riks algorithm indicate that only when high temperature would not trigger an abrupt short-wavelength buckle and when no yielding has been induced in the unavoidable long-wavelength buckles,the thermal stability and safety of compliant pipe-in-pipe systems can be proved. In the non-compliant pipe-in-pipe systems,fi rstly small-amplitude buckles of the carrier pipe may occur in the annulus between carrier pipe and casing pipe and the contact forces between the spacers and the casing pipe may drive the buckle of the pipe-in-pipe systems on the seabed. Based on the classical analytical solution of pipe buckling,four potential buckling modes corresponding to fi nite-element models are developed to evaluate the stability and the postbuckling strength of such pipe-in-pipe systems. | Zhao Tianfeng Duan Menglan Pan Xiaodong Feng Xianhong | 2010 | Petroleum Science2010，7，1： | 3 |
| 13 | Dynamic Ice-Induced Responses of Offshore Fixed Platforms显示文摘The dynamic responses of offshore fixed platforms under ice loads are analysed in this paper. The responses calculated include the displacement and the hot spot stresses on the basis of a dynamic equation of ice-induced forced vibration for offshore structures. The results obtained can be cited and used for the design and operation of offshore fixed platforms against ice loading. | Duan Menglan Liu Chuntu Wang Weiming Postgraduate, China Classification Society, Beijing 100006 Professor, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080 | 1996 | China Ocean Engineering1996，11，1： | 3 |
| 14 | The chromosome-level Stevia genome provides insights into steviol glycoside biosynthesis显示文摘Stevia(Stevia rebaudiana Bertoni)is well known for its very sweet steviol glycosides(SGs)consisting of a common tetracyclic diterpenoid steviol backbone and a variable glycone.Steviol glycosides are 150–300 times sweeter than sucrose and are used as natural zero-calorie sweeteners.However,the most promising compounds are biosynthesized in small amounts.Based on Illumina,PacBio,and Hi-C sequencing,we constructed a chromosome-level assembly of Stevia covering 1416 Mb with a contig N50 value of 616.85 kb and a scaffold N50 value of 106.55 Mb.More than four-fifths of the Stevia genome consisted of repetitive elements.We annotated 44,143 high-confidence protein-coding genes in the high-quality genome.Genome evolution analysis suggested that Stevia and sunflower diverged~29.4 million years ago(Mya),shortly after the whole-genome duplication(WGD)event(WGD-2,~32.1 Mya)that occurred in their common ancestor.Comparative genomic analysis revealed that the expanded genes in Stevia were mainly enriched for biosynthesis of specialized metabolites,especially biosynthesis of terpenoid backbones,and for further oxidation and glycosylation of these compounds.We further identified all candidate genes involved in SG biosynthesis.Collectively,our current findings on the Stevia reference genome will be very helpful for dissecting the evolutionary history of Stevia and for discovering novel genes contributing to SG biosynthesis and other important agronomic traits in future breeding programs. | Xiaoyang Xu Haiyan Yuan Xiaqing Yu Suzhen Huang Yuming Sun Ting Zhang Qingquan Liu Haiying Tong Yongxia Zhang Yinjie Wang Chunxiao Liu Lei Wu Menglan Hou Yongheng Yang | 2021 | Horticulture Research2021，8，1： | 2 |
| 15 | Development of a widely targeted volatilomics method for profiling volatilomes in plants显示文摘Volatile organic compounds play essential roles in plant environment interactions as well as determining the fragrance of plants.Although gas chromatography-mass spectrometry-based untargeted metabolo-mics is commonly used to assess plant volatiles,it suffers from high spectral convolution,low detection sensitivity,a limited number of annotated metabolites,and relatively poor reproducibility.Here,we report a widely targeted volatilomics(WTV)method that involves using a“targeted spectra extraction”algorithm to address spectral convolution,constructing a high-coverage MS2 spectral tag library to expand volatile annotation,adapting a multiple reaction monitoring mode to improve sensitivity,and using regression models to adjust for signal drift.The newly developed method was used to profile the volatilome of rice grains.Compared with the untargeted method,the newly developed WTV method shows higher sensitivity(for example,the signal-to-noise ratio of guaicol increased from 4.1 to 18.8),high annotation coverage(the number of annotated volatiles increased from 43 to 132),and better reproducibility(the number of volatiles in quality control samples with relative standard deviation value below 30.0%increased from 14 to 92 after normalization).Using the WTV method,we studied the metabolic responses of tomato to environmental stimuli and profiled the volatilomes of different rice accessions.The results identified benzothiazole as a potential airborne signal priming tomato plants for enhanced defense and 2-nonanone and 2-heptanone as novel aromatic compounds contributing to rice fragrance.These case studies suggest that the widely targeted volatilomics method is more efficient than those currently used and may considerably promote plant volatilomics studies. | Honglun Yuan Guangping Cao Xiaodong Hou Menglan Huang Pengmeng Du Tingting Tan Youjin Zhang Haihong Zhou Xianqing Liu Ling Liu Yiding Jiangfang Yufei Li Zhenhuan Liu Chuanying Fang Liqing Zhao Alisdair R.Fernie Jie Luo | 2022 | Molecular Plant2022，15，1： | 2 |
| 16 | 双重卡口机构对波浪能转换器性能的影响评估显示文摘Lower efficiencies induce higher energy costs and pose a barrier to wave energy devices'commercial applications.Therefore,the efficiency enhancement of wave energy converters has received much attention in recent decades.The reported research presents the double snap-through mechanism applied to a hemispheric point absorber type wave energy converter(WEC)to improve the energy absorption perfomance.The double snap-through mechanism comprises four oblique springs mounted in an X-configuration.This provides the WEC with different dynamic stability behaviors depending on the particular geometric and physical parameters employed.The efficiency of these different WEC behaviors(linear,bistable,and tristable)was initially evaluated under the action of regular waves.The results for bistable or tristable responses indicated significant improvements in the WEC's energy capture efficiency.Furthermore,the WEC frequency bandwidth was shown to be significantly enlarged when the tristable mode was in operation.However,the corresponding tristable trajectory showed intra-well behavior in the middle potential well,which induced a more severe low-energy absorption when a small wave amplitude acted on the WEC compared to when the bistable WEC was employed.Nevertheless,positive effects were observed when appropriate initial conditions were imposed.The results also showed that for bistable or tristable responses,a suitable spring stiffness may cause the buoy to oscillate in high energy modes. | Bingqi Liu Carlos Levi Segen F.Estefen Zhijia Wu Menglan Duan | 2021 | Journal of Marine Science and Application2021，20，2： | 2 |
| 17 | Effects of supports and combined process on hydrogen purification over nickel supported catalysts显示文摘Hydrogen purification must be done to meet the different purposes of hydrogen utilization.In the present work,it is confirmed that the catalyst Ni/CeO2 has the highest activity for total methanation(Total MET) of CO and CO2,and is thus most suitable for hydrogen purification for ammonia synthesis.While,the catalyst Ni/ZrO2 appears the best one for selective methanation of CO(CO-SMET) in the H2-rich gas to produce clean fuel for proton exchange membrane fuel cell(PEMFC).In spite of this,the catalyst Ni/ZrO2 without adding chlorine ions as promoter is not yet capable of removing the CO in the reformate gas to below 10 ppm in a wide reaction temperature range by the way of CO-SMET.Adding chlorine ions as promoter is indeed not favorable for practical application due to its gradual loss in the catalytic reaction as proved in our previous work.Therefore,a step to decrease CO2 concentration(called as de-CO2 step) is suggested to be set prior to the CO-SMET step in this work.It is proved that such combination of de-CO2 step and CO-SMET step is efficient to achieve a deep removal of CO to below 10 ppm with a high selectivity more than 50% in a wide reaction temperature range of 220-280℃over the catalyst Ni/ZrO2 without adding chlorine ions as promoter.The combined process has potential for practical application,at least in the large-scale power plant of PEMFC. | Menglan Xiao Lu Zhang Yanyan Sang Zhiming Gao | 2020 | Journal of Rare Earths2020，38，1： | 2 |
| 18 | An experimental study of mechanical behavior of coiled tubing in pipelines显示文摘 | Guan Feng Duan Menglan Ma Weiguo | 2014 | Applied Ocean Research2014，44，： | 1 |
| 19 | Risk analysis of oil/gas leakage of subsea production system based on fuzzy fault tree显示文摘 | Hu Xianwei Zhang Haitao Duan Menglan | 2012 | International Journal of Energy Engineering2012，2，3： | 1 |
| 20 | Riser and pipeline corrosion riser assessment显示文摘 | HUACAN F MENGLAN D | 2014 | Offshore Operation Facilities2014，12，6： | 1 |
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