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XIA Tianxiang,JIANG Lin,JIA Xiaoyang,ZHONG Maosheng,LIANG Jing
《环境科学与工程前沿(英文)》 2014年 第8卷 第3期 页码 441-450 doi: 10.1007/s11783-013-0572-6
关键词: Probabilistic Risk Assessment (PRA) a coking plant risk cleanup level sensitivity analysis polycyclic aromatic hydrocarbons (PAHs)
蒋亚龙,袁宏永
《中国工程科学》 2003年 第5卷 第4期 页码 73-75
焦化炉是石化行业很重要的一个设备,随时了解它的温度场分布和掌握它的运行状态一直是一个备受人们关注的问题。就CCD测温在现代焦化炉中的应用进行了介绍,阐述它的原理,指出了它今后发展的方向,最后举例说明该方法在现代工程上可行,并取得了比较令人满意的结果。
魏晓金,李静,何绪文
《中国工程科学》 2009年 第11卷 第2期 页码 88-91
从活性污泥中筛选出一株能产高效絮凝剂的芽孢杆菌,对该菌产生的微生物絮凝剂进行了絮凝条 件及废水絮凝实验研究。结果表明,微生物絮凝剂最佳絮凝条件为:原水pH值7.0以上;助凝剂CaCl2 (1% 浓度)适宜投加量为 5.0 % ;发酵液的适宜投加量为0.2% ;发酵液较好的离心条件为n = 4000转/min, t = 30 min。在最佳絮凝条件下,该菌产生的微生物絮凝剂对多种废水净化效果明显。
IN VITRO ACTIVITY OF EXTRACTS OF FIVE MEDICINAL PLANT SPECIES ON PLANT PATHOGENIC FUNGI
《农业科学与工程前沿(英文)》 2021年 第8卷 第4期 页码 635-644 doi: 10.15302/J-FASE -2020343
The antifungal effectiveness of extracts of five medicinal plant species was determined. The inhibitory activity of extracts of Eucalyptus tereticornis, Xanthium sibiricum, Artemisia argyi, Tupistra chinensis and Pyrola calliantha were evaluated against the mycelial growth of the plant pathogenic fungi Aspergillus niger, Botrytis cinerea, Penicillium digitatum, P. expansum, P. italicumand Rhizopus stolonifer. All plant extracts were prepared at 60°C using solvents (either water, 50% ethanol (v/v), 95% ethanol (v/v), ethyl acetate or petroleum ether). Fungicidal effects of all plants tested were confirmed. Different extracts from the same plant species gave different degrees of inhibition. All aqueous extracts had weak or no activity on all fungi tested. Ethyl acetate and 95% ethanol extracts from T. chinensis rhizomes gave greater inhibition and a broader spectrum inhibition than the other extracts. T. chinensis may have potential as a new natural fungicide and may be used for the preservation of agricultural and forestry products such as fruits and vegetables.
关键词: Botrytis cinerea / food preservation / plant diseases / plant pathogenic fungi / Tupistra chinensis
赵英杰,易群,王涛,韩建超,崔阳,刘倩,任忠凯,刘元铭,黄庆学
《中国工程科学》 2021年 第23卷 第5期 页码 103-115 doi: 10.15302/J-SSCAE-2021.05.014
煤炭、焦化、钢铁等能源资源消耗型产业,是经济社会发展的重要基础,但也伴生高能耗和环境污染问题;随着碳达峰、碳中和目标的提出,统筹考虑资源禀赋、环境容量、产业基础等因素,构建绿色低碳且安全高效的煤炭、焦化、氢能、钢铁产业新体系,是加快推进我国能源生产与消费革命的重要举措。本文旨在梳理煤基制氢技术的发展现状,结合我国能源资源禀赋,焦化、钢铁、氢能产业现实要素基础,提出煤– 焦– 氢– 铁(气基直接还原铁)产业链发展的新思路。从经济性、能耗水平、碳排放等方面着手,对煤– 焦– 氢– 铁产业链中的5 种技术路径进行对比与评价,进而分析研判制氢技术耦合直接还原铁路径的发展潜力与战略选择;以山西省作为案例,具体阐述了煤– 焦– 氢– 铁产业链技术的发展目标与产业布局。研究建议,树立清洁低碳发展理念,依托煤– 焦– 氢– 铁产业链推进能源转型发展,制定煤– 焦– 氢– 铁产业集群整体发展规划,协同推进相关产业链的政策、科技、人才、市场融合。
ACTIVITY OF EXTRACTS OF FIVE MEDICINAL PLANT SPECIES ON PLANT PATHOGENIC FUNGI
Shufeng YAO, Jiali XU, Haibo ZHANG, Hong GAO, Shibin SHANG, Dan WANG
《农业科学与工程前沿(英文)》 2021年 第8卷 第4期 页码 635-644 doi: 10.15302/J-FASE-2020343
关键词: Botrytis cinerea food preservation plant diseases plant pathogenic fungi Tupistra chinensis
An introduction to the medicinal plant genome project
Shilin Chen, Li Xiang, Xu Guo, Qiushi Li
《医学前沿(英文)》 2011年 第5卷 第2期 页码 178-184 doi: 10.1007/s11684-011-0131-0
HEMIPTERAN-TRANSMITTED PLANT VIRUSES: RESEARCH PROGRESS AND CONTROL STRATEGIES
《农业科学与工程前沿(英文)》 2022年 第9卷 第1期 页码 98-109 doi: 10.15302/J-FASE-2021389
About 80% of plant viruses are transmitted by specific insect vectors, especially hemipterans with piercing-sucking mouthparts. Many virus-transmitting insects are also important crop pests that cause considerable losses in crop production. This review summarizes the latest research findings on the interactions between plant viruses and insect vectors and analyzes the key factors affecting insect transmission of plant viruses from the perspectives of insect immunity, insect feeding, and insect symbiotic microorganisms. Additionally, by referring to the latest applications for blocking the transmission of animal viruses, potential control strategies to prevent the transmission of insect-vectored plant viruses using RNAi technology, gene editing technology, and CRISPR/Cas9+ gene-driven technology are discussed.
关键词: control strategies / feeding / immunity / insect vector / microorganism / plant virus
Intelligent diagnosis methods for plant machinery
Huaqing WANG, Peng CHEN, Shuming WANG,
《机械工程前沿(英文)》 2010年 第5卷 第1期 页码 118-124 doi: 10.1007/s11465-009-0084-z
关键词: intelligent diagnosis neural network fuzzy algorithm adaptive filtering plant machinery
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
《农业科学与工程前沿(英文)》 2016年 第3卷 第2期 页码 102-112 doi: 10.15302/J-FASE-2016100
关键词: plant–pathogen interactions systems biology omics plant immunity protein–protein interaction network
Causations of failure in megaprojects: A case study of the Ajaokuta Steel Plant project
Oluwole Alfred OLATUNJI
《工程管理前沿(英文)》 2018年 第5卷 第3期 页码 334-346 doi: 10.15302/J-FEM-2018011
This paper uses project organizational theories to draw lessons from a historic megaproject, the Ajaokuta Steel Plant (ASP). Archival reports on the ASP were explored to identify the unique attributes of the project; the political wrangling that underplayed its evolution, its economic significance and organizational impacts. Findings suggest the goals of the ASP project were, and still are, unambiguous. Failure occurred as socio-political forces aggravated the project’s complex milestones. Stakeholders were impatient with pre-project investigations. During planning, owners ignored opinions that were contrary to their expectations. While delays lingered, pressures from the global economy weakened the project’s motivation to succeed. These combined to turn the project’s outcomes into a chaotic situation that triggered dire implications. Despite about 1400% overrun in cost, the success achieved on the plant was 28% at commissioning. Contractors remained on site until eight years after commissioning. Six key elements of the 482 items in the ASP project contract were not delivered nearly 40 years on. A simplistic look at these suggests poor planning is the main problem. However, planning issues is not entirely strange in greenfield projects. The paper draws strength from project organization theories to explain what was poor about the planning. Socrates’ generic management theory was used to explain the role of leadership in the failure of the ASP project. McGregor’s Theory X and Theory Y explain the significance of stakeholders’ integration in megaprojects. Systems and chaos theories were used to explain the sensitivity of the ASP project to uncertainties. Narratives on these combine well to inspire stakeholders of megaprojects on where and how to seek courage in making effective plans that can help achieve success in complex projects. While normative literature only recognizes project success in a definitive perspective, this study provides insights from failure as an instrument to trigger sublime reflections.
关键词: industrial projects megaprojects Nigeria project organizational theories steel plant
Rhizosphere immunity: targeting the underground for sustainable plant health management
Zhong WEI, Ville-Petri FRIMAN, Thomas POMMIER, Stefan GEISEN, Alexandre JOUSSET, Qirong SHEN
《农业科学与工程前沿(英文)》 2020年 第7卷 第3期 页码 317-328 doi: 10.15302/J-FASE-2020346
Managing plant health is a great challenge for modern food production and is further complicated by the lack of common ground between the many disciplines involved in disease control. Here we present the concept of rhizosphere immunity, in which plant health is considered as an ecosystem level property emerging from networks of interactions between plants, microbiota and the surrounding soil matrix. These interactions can potentially extend the innate plant immune system to a point where the rhizosphere immunity can fulfil all four core functions of a full immune system: pathogen prevention, recognition, response and homeostasis. We suggest that considering plant health from a meta-organism perspective will help in developing multidisciplinary pathogen management strategies that focus on steering the whole plant-microbe-soil networks instead of individual components. This might be achieved by bringing together the latest discoveries in phytopathology, microbiome research, soil science and agronomy to pave the way toward more sustainable and productive agriculture.
关键词: rhizosphere soil microbiome plant immunity microbial ecology plant health soilborne pathogens
ROUTE DEVELOPMENT, ANTIVIRAL STUDIES, FIELD EVALUATION AND TOXICITY OF AN ANTIVIRAL PLANT PROTECTANT
《农业科学与工程前沿(英文)》 2022年 第9卷 第1期 doi: 10.15302/J-FASE- 2021390
It has previously been shown that tryptophan, the biosynthesis precursor of Peganum harmala alkaloids, and its derivatives have anti-TMV activity both in vitro and in vivo. Further exploration of this led to the identification of NK0238 as a highly effective agent for the prevention and control of diseases caused by plant viruses, but the existing routes are unsuitable for its large-scale synthesis. This study optimized a route for two-step synthesis of this virucide candidate via reaction of l-tryptophan with triphosgene to produce l-tryptophan-N-carboxylic anhydride, which then reacts with n-octylamine to give NK0238 at up to 94% yield and nearly 97% HPLC purity. In addition, the route was used for the preparation of NK0238 on a>40 g scale permitting further assessment of its antivirus activity in the greenhouse and field experiments, and toxicity tests. NK0238 exhibited useful antiviral activities against a variety of viruses both in greenhouse and field experiments. The toxicity tests showed that NK0238 was not acutely toxic to birds, fish, honey bees and silkworms. The optimized route provides a solid foundation for its large-scale synthesis and subsequent efficacy and toxicity studies, its excellent activity and safety make NK0238 a promising drug candidate for further development.
Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN
《环境科学与工程前沿(英文)》 2013年 第7卷 第6期 页码 906-912 doi: 10.1007/s11783-013-0579-z
关键词: vertical-flow constructed wetlands plant intercropping model warm seasonal plant model
Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions
LI Yongmei, GU Guowei, LI Wenshu
《环境科学与工程前沿(英文)》 2007年 第1卷 第4期 页码 493-497 doi: 10.1007/s11783-007-0079-0
关键词: wastewater treatment coal-coking wastewater promotive degradation
标题 作者 时间 类型 操作
Application of probabilistic risk assessment at a coking plant site contaminated by Polycyclic Aromatic
XIA Tianxiang,JIANG Lin,JIA Xiaoyang,ZHONG Maosheng,LIANG Jing
期刊论文
ACTIVITY OF EXTRACTS OF FIVE MEDICINAL PLANT SPECIES ON PLANT PATHOGENIC FUNGI
Shufeng YAO, Jiali XU, Haibo ZHANG, Hong GAO, Shibin SHANG, Dan WANG
期刊论文
Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction
Hong LI,Ziding ZHANG
期刊论文
Causations of failure in megaprojects: A case study of the Ajaokuta Steel Plant project
Oluwole Alfred OLATUNJI
期刊论文
Rhizosphere immunity: targeting the underground for sustainable plant health management
Zhong WEI, Ville-Petri FRIMAN, Thomas POMMIER, Stefan GEISEN, Alexandre JOUSSET, Qirong SHEN
期刊论文
ROUTE DEVELOPMENT, ANTIVIRAL STUDIES, FIELD EVALUATION AND TOXICITY OF AN ANTIVIRAL PLANT PROTECTANT
期刊论文
Decontamination efficiency and root structure change in the plant-intercropping model in vertical-flow
Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN
期刊论文