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| 1 | Broadband rhenium disulfide optical modulator for solid-state lasers显示文摘Rhenium disulfide(ReS_2), a member of group Ⅶ transition metal dichalcogenides(TMDs), has attracted increasing attention because of its unique distorted 1T structure and electronic and optical properties, which are much different from those of group Ⅵ TMDs(MoS_2, WS_2, MoSe_2, WSe_2, etc.). It has been proved that bulk ReS_2 behaves as a stack of electronically and vibrationally decoupled monolayers, which offers remarkable possibilities to prepare a monolayer ReS_2 facilely and offers a novel platform to study photonic properties of TMDs. However,due to the large and layer-independent bandgap, the nonlinear optical properties of ReS_2 from the visible to midinfrared spectral range have not yet been investigated. Here, the band structure of ReS_2 with the introduction of defects is simulated by the ab initio method, and the results indicate that the bandgap can be reduced from 1.38 to 0.54 eV with the introduction of defects in a suitable range. In the experiment, using a bulk ReS_2 with suitable defects as the raw material, a few-layered broadband ReS_2 saturable absorber(SA) is prepared by the liquid phase exfoliation method. Using the as-prepared ReS_2 SA, passively Q-switched solid-state lasers at wavelengths of 0.64,1.064, and 1.991 μm are investigated systematically. Moreover, with cavity design, a femtosecond passively modelocked laser at 1.06 μm is successfully realized based on the as-prepared ReS_2 SA for the first time. The results present a promising alternative for a rare broadband optical modulator and indicate the potential of ReS_2 in generating Q-switched and mode-locked pulsed lasers. It is further anticipated that this work may be helpful for the design of 2D optoelectronic devices with variable bandgaps. | XIANCUI SU BAITAO ZHANG YIRAN WANG GUANBAI HE GUORU LI NA LIN KEJIAN YANG JINGLIANG HE SHANDE LIU | 2018 | Photonics Research2018，6，6： | 4 |
| 2 | Effects of Differential Expression of Monosaccharide Transporter Genes on Yield Formation of Virus-free Sugarcane Seedlings显示文摘The yield increase effect was analyzed by planting disease-free sugarcane seedlings,and the differential expression of three monosaccharide transporter genes( SGT1,SGT2 and PST2a) in disease-free and untreated sugarcane seedlings was studied to clarify the functions of these genes on sugarcane yield. The yield was increased by 27. 2% by planting disease-free sugarcane seedlings. The expression levels of SGT1,SGT2 and PST2 a in leaves of virus-free plants were1-20 times higher than those in untreated sugarcane plants during the whole growth period. In addition,the expression levels of SGT1 and SGT2 in 1-8 internodes of sugarcane at elongation stage and maturity stage were 1-45 times higher than those in untreated plants. And the expression levels of PST2 a in 4-8 internodes of sugarcane plants at elongation stage were 4-7 times higher than those in untreated plants,but there was no difference in expression levels at maturity stage. The functions of different monosaccharide transporters varied among different growth stages. The three kinds of monosaccharide transporters might form a mutual cooperation network,and improved monosaccharide transport efficiency by increasing their self activity to provide more monosaccharide for cell metabolism,favorable for the yield increase of sugarcane stem. | Wang Jungang Zhao Tingting Yang Benpeng Xiong Guoru Zhang Shuzhen | 2017 | Plant Diseases and Pests2017，8，4： | 0 |
| 3 | Cloning and Analysis of Chitinase Gene in Bacillus subtilis HAS显示文摘[Objective] The paper was to study the possible mechanism of chitinase gene. [Method] The chitinase gene with inhibitory effect against a variety of pathogenic fungi was cloned and analyzed in this study. [Result] The genome of HAS strain contained an ORF of 834 bp. The homology of coding protein corresponding to ORF with chitosanase [Bacillus subtilis subsp. subtilis str. 168](ref|NP_390566.1) was the highest of 98%(272/277).[Conclusion]Through the analysis of amino acid sequence and secondary structure of the protease, tertiary structure prediction and analysis, HAS strain may play a pivotal role in controlling Sporisorium scitaminea Syd. | Xiong Guoru Zhao Gengfeng Cai Wenwei Wang Jungang Yang Benpeng Zhang Shuzhen | 2019 | Plant Diseases and Pests2019，10，2： | 0 |
| 4 | Design Index and Empirical Analysis of the Evaluation Index System for the Transformation of Scientific and Technological Achievements of Universities in Beijing, Tianjin and Hebei显示文摘Promoting the transformation of scientific and technological achievements of universities and colleges in Beijing, Tianjin, and Hebei is an important measure to enhance the level of scientific and technological development in universities, enhance the scientific and technological synergy of Beijing-Tianjiii-Hebei urban agglomeration, practice the coordinated development strategy of Beijing, Tianjin and Hebei, and promote the construction of Xiong'an New District. Based on the scientific and technological input of colleges and universities, the development of science and technology and the output of science and technology, this paper uses Delphi and AHP to construct a Beijing, Tianjin, Hebei University Science and Technology Achievement Transformation Performance Evaluation System from the perspectives of transformation potentials, scientific research activities and achievements transformation of university scientific and technological achievements. An empirical analysis was carried out to provide reference for the government's efficient decision-making and improvement of strategies for transforming scientific and technological achievements in universities. | Guoru Yang Yuenan Xu | 2018 | Journal of Educational Theory and Management2018，2，3： | 0 |
| 5 | Expression of Invertase Genes in Virus-free Sugarcane显示文摘Virus-free sugarcane seedlings have improved biomass and sucrose content compared with ordinary seedlings,and sucrose invertases are key enzymes regulating sugarcane growth and sucrose accumulation.In this study,the differences in the expression levels of 3 invertase genes,CWI,SAI and NI,between virusfree and ordinary sugarcane seedlings were analyzed.Compared with ordinary sugarcane plants,the expression of CWI was mainly up-regulated in immature leaves and stems at elongation stage and leaves and immature internodes at maturation stage,and especially,greatly up-regulated in immature internodes at maturation stage of virus-free plants.The expression of SAI and NI were mainly up-regulated in leaves and immature internodes of virus-free plants at maturation stage,which might be beneficial to sugar accumulation and rapid utilization of monosaccharide in the stalks of virus-free plants.It is further indicated that virus-free treatment could significantly improve the expression of sucrose invertases at late growth period,and might facilitate the increase of plant biomass. | Jungang WANG Tingting ZHAO Benpeng YANG Wenwei CAI Cuilian FENG Jun ZENG Guoru XIONG Shuzhen ZHANG | 2017 | Agricultural Biotechnology2017，6，4： | 0 |
| 6 | Research Progresses on Sucrose Accumulation and Genetic Improvement in Sugarcane显示文摘Sugarcane is an important sugar and energy crop in tropical areas. Sucrose is the main product of photosynthesis and the end accumulation carbohydrate.The sucrose accumulation mechanism in sugarcane is typical in plants. We summarized the new progresses of molecular mechanisms on sucrose accumulation in sugarcane and the genetic improvements on sugar trait by genetic modification techniques. In addition,the developments of genetic modification techniques were also concluded. | Jungang WANG Tingting ZHAO Benpeng YANG Guoru XIONG Shuzhen ZHANG | 2017 | Agricultural Biotechnology2017，6，5： | 0 |
| 7 | Control Effects of 12 Kinds of Insecticides on Sugarcane Pests at Different Periods显示文摘[Objective]The paper was to study control effects of 12 kinds of insecticides on sugarcane pests at different periods.[Method]By field experiment,the control effects of different insecticides against sugarcane pests at planting stage,seedling stage and tillering stage of sugarcane were studied.[Result]After seedcane was treated by Chlorantraniliprole,Durivo and Seed soaking,the dead heart seedlings were significantly reduced in fields,and the control effects were87.13%±12.87%,85.22%±14.78%,82.71%±17.29%,respectively;Durivo(seedling emergence rate is 63.00%±10.30%)and Seed soaking(seedling emergence rate is 57.75%±4.50%)could also significantly enhance seedling emergence rate.After'removal-irrigation'treatment during seedling stage,the control effects of Flubendiamide(76.26%±4.31%)and Chlorantraniliprole(61.66%±6.65%)against sugarcane stem borer were significantly higher than Virtako(60.17%±7.06%),Deltamethrin(38.75%±9.88%),lambda-cyhalothrin(54.06%±6.83%),18%Dimehypo AS(37.98%±10.31%)and Dipterex(38.64%±9.34%).During tillering stage,with the increased application of 3.6%Dimehypo GR in cultivation and earthing up,the control effect on stem borer was significantly increased,and the control effect reached(72.03%±17.06%)as the dosage was 120 kg/hm2;when the dosage of phoxim exceeded 30 kg/hm2,the control effect on underground pests reached 44.00%±14.80%,and the control effect did not have significant difference as the dosage was ranged from 30kg/hm2to 60 kg/hm2.[Conclusion]The paper provided scientific basis for selection of different control methods,different chemicals and dosages against pests during different periods. | Wu Suran Xiong Guoru Zhang Shuzhen Zhang Yuliang Wang Jungang Zeng Jun Yang Benpeng | 2013 | Plant Diseases and Pests2013，4，5： | 0 |
| 8 | Resistance Evaluation of 23 Sugarcane Varieties to Smut显示文摘[Objective] The paper aimed to screen sugarcane varieties and species layout suitable for Hainan sugarcane area.[Method] Using mixed spores of Ustilago scitaminea Sydow,smut resistance of 21 major sugarcane varieties in national sugarcane regional trial as well as ROC22 and ROC16 were identified through artificial inoculation test and field natural incidence.[Result] Yunzhe 99-596,Yuegan 42,Guitang 29 and Funong 39 reached highly resistant and resistant levels to smut in artificial inoculation test.[Conclusion] Most of the varieties showed better resistance to smut in newly planted sugarcane and ratoon sugarcane except Yunzhe 03-103,Liucheng 03-1137 and ROC22. | Xiong Guoru Cai Wenwei Wang Wenzhi Wu Suran Yang Benpeng Zhang Shuzhen | 2017 | Plant Diseases and Pests2017，8，3： | 0 |
| 9 | Polyploidization Genetic Mechanism of Sugarcane Genome显示文摘The sugarcane genome polyploidization can reduce the pressure of gene evolution selection,promote the fixation of fine traits,and increase the biomass and economic value of sugarcane.This paper mainly introduced the origin of the sugarcane genome,the chromosome composition,the research progress of polyploidization genetic mechanism,in the hope of providing theoretical reference for sugarcane polyploidization breeding. | Jungang WANG Tingting ZHAO Benpeng YANG Guoru XIONG Shuzhen ZHANG | 2017 | Asian Agricultural Research2017，9，8： | 0 |
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