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Numerical modeling of deep-seated landslides interacting with man-made structures 被引量:3
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作者 Giovanni Barla 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2018年第6期1020-1036,共17页
This paper describes the interaction between deep-seated landslides and man-made structures such as dams, penstocks, viaducts, and tunnels. Selected case studies are reported first with the intent to gain insights int... This paper describes the interaction between deep-seated landslides and man-made structures such as dams, penstocks, viaducts, and tunnels. Selected case studies are reported first with the intent to gain insights into the complexities associated with the interaction of these structures with deep-seated landslides(generally referred to as deep-seated gravity slope deformations, DSGSDs). The main features, which characterize these landslides, are mentioned together with the interaction problems encountered in each case. Given the main objective of this paper, the numerical modeling methods adopted are outlined as means for increase in the understanding of the interaction problems being investigated. With the above in mind, the attention moves to an important and unique case history dealing with the interaction of a large-size twin-tunnel excavated with an earth pressure balance(EPB)tunnel boring machine(TBM) and a deep-seated landslide, which was reactivated due to the stress changes induced by tunnel excavation in landslide shear zone. The geological and geotechnical conditions are described together with the available monitoring data on the landslide movements, based on the advanced and conventional monitoring tools used. Numerical modeling is illustrated as an aid to back-analyze the monitored surface and subsurface deformations and to assist in finding the appropriate engineering solution for putting the tunnel into service and as a follow-up means for future understanding and control of the interaction problems. The simulation is based on a novel time-dependent model representing the landslide behavior. 展开更多
关键词 Deep-seated landslides man-made structures Landslide-structure interaction Monitoring of landslide movement Numerical modeling
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Considering and comparing regeneration in natural and man-made stands in northern Iran
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作者 Mir Mozaffar FALLAHCHAI 《Forestry Studies in China》 CAS 2012年第2期131-136,共6页
In this study the regeneration diversity of Syahkal forests afforestated and natural stands in north of Iran was studied and compared from the point of view of evenness and diversity index. In order to accomplish this... In this study the regeneration diversity of Syahkal forests afforestated and natural stands in north of Iran was studied and compared from the point of view of evenness and diversity index. In order to accomplish this study two natural and man-made stands that almost are located in the same height above the sea level were chosen. The area of each stand was 30 ha and the inventory was done by the random-systematic method with a 5R land measurement (500 m2) selected. Also, in order to study the regeneration in the center of each sample piece 125 square meters micro plots were formed. The results show that regeneration diversity index in natural stands is more than that in man-made stands which in this case Mc-Arthur index with 2.41 has the most amount while Simpson index with 0.543 has the least amount. But the evenness indexes in man-made stands are more than that in natural stand which the main reason is the purity of the man-made stand. 展开更多
关键词 diversity EVENNESS man-made stands Iran's forests
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The Destroyed or the Destroyer? The Characterization of Mrs. Morel in Sons and Lovers
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作者 KONG Xiang-guo DING Yang 《Sino-US English Teaching》 2013年第7期567-572,共6页
This paper looks into David Herbert Lawrence's characterization of Mrs. Morel in his famous novel Sons and Lovers (1962). Mrs. Morel has long been regarded by feminist critics as the destroyed, a victim destroyed b... This paper looks into David Herbert Lawrence's characterization of Mrs. Morel in his famous novel Sons and Lovers (1962). Mrs. Morel has long been regarded by feminist critics as the destroyed, a victim destroyed by the male-dominated society, and her son Paul has been viewed as a destroyer of women. Based on a close reading of the novel, this paper examines Lawrence's characterization of Mrs. Morel and reveals that Mrs Morel actually belongs to the destroyer instead of the destroyed through an analysis of her relationship with the three male characters in the novel, thus providing new insights into the understanding of this classic novel. 展开更多
关键词 Lawrence CHARACTERIZATION Mrs. Morel FEMINIST destroyER
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Ecology and Fish Biodiversity of Man-Made Lakes of Southern Benin (West Africa): Implications for Species Conservation and Fisheries Management
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作者 Houehanou M. A. G. Gbaguidi Alphonse Adite Edmond Sossoukpe 《Journal of Environmental Protection》 2016年第6期874-894,共21页
Man-made lakes are alternative and potential habitats for biodiversity conservation, fisheries and extensive aquaculture. We investigated the ecology and the fish community structure of two (2) sand-dragged man-made l... Man-made lakes are alternative and potential habitats for biodiversity conservation, fisheries and extensive aquaculture. We investigated the ecology and the fish community structure of two (2) sand-dragged man-made lakes, Lake Ahozon and Lake Bewacodji of Southern Benin, with implications for species conservation, fisheries management and aquaculture valorization. From August 2014 to July 2015, habitats conditions were evaluated and fishes were sampled monthly with seine, cast net, experimental gill net and hooks in the open water and aquatic vegetation habitats of both lakes. Overall, the water quality of Lake Ahozon was globally favorable for the growth and the survival of the fish resources whereas Lake Bewacodji exhibited a poor water quality indicated mainly by an acid pH (mean: 6.32 ± 0.58) and low dissolved oxygen concentrations (mean: 3.52 ± 1.25 mg/l) caused by dense floating plants, Nymphea sp mainly and huge daily dumping of domestic wastes. The study revealed low species richness, d = 5.89 and d = 3.87, and low species diversity, H’ = 0.76 and H’ = 0.48 for Lakes Ahozon and Bewacodji, respectively, with Lake Ahozon more diverse than Lake Bewacodji. The fish community of Lake Ahozon comprised six (6) species, 3 cichlids Sarotherodon galilaeus, Oreochromis niloticus and Tilapia guineensis, the silver catfish, Chrysichthys nigrodigitatus (Claroteidae), the African bonytongue, Heterotis niloticus (Osteoglossidae), and the African catfish, Clarias gariepinus (Clariidae). Numerically, S. galilaeus dominated Lake Ahozon and made 85.21% of the sample. In Lake Bewacodji, the fish composition comprised four (4) species, Sarotherodon galilaeus multifasciatus, the dominant species making numerically 91.58% of the total sample, T. guineensis, C. gariepinus and C. nigrodigitatus. With regard to trophic structure, the fish assemblages of both lakes were numerically dominated by planktinovores/ detritivores, mainly S. galilaeus, O. niloticus, T. guineensis and C. nigrodigitatus making together 99.46% of Lake Ahozon fish community, and S. galilaeus multifasciatus, T. guineensis and C. nigrodigitatus accounting together for about 98.59% of Lake Bewacodji. In Lake Ahozon, standard length (SL) frequencies histograms showed an unimodal size distribution for H. niloticus, the nile tilapia O. niloticus and C. gariepinus whereas the two cichlids, S. galilaeus and T. guineensis exhibited a bimodal size distribution. In Lake Bewacodji, S. galilaeus multifasciatus, C. nigrodigitatus and C. gariepinus exhibited an unimodal size distribution. A sustainable exploitation of both man-made lakes requires the implementation of an integrated management scheme which should include habitat restoration and protection plan, fisheries/aquacultural valorization, ecological sound agriculture/ecotourism and environmental monitoring.   展开更多
关键词 Conservation Diversity Domestic Wastes FISHERIES Habitat Degradation MANAGEMENT man-made Lakes Sand-Dragging Sarotherodon galilaeus
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The 25th CIMFC(Bengbu 2019):Exploring the future of the man-made fibers
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《China Textile》 2019年第10期38-43,共6页
The 25th China International Man-made Fiber Conference (Bengbu 2019)(hereinafter referred to as CIMFC 2019), themed on “Opening and Integaration for Interactive Development — Coordinated Progress of Global Man-Made ... The 25th China International Man-made Fiber Conference (Bengbu 2019)(hereinafter referred to as CIMFC 2019), themed on “Opening and Integaration for Interactive Development — Coordinated Progress of Global Man-Made Fiber Industry”, was convened in Bengbu City, Anhui Province. CIMFC 2019 was sponcored by China National Textile and Apparel Council (CNTAC), organized by China Chemical Fibers Association, Chi-na Textile International Exchange Center, and China BBCA Group Corp., supported by Bengbu Municipal People’s Goverment, and co-organized by Bengbu Investment Promotion and Foreign cooperation Center, Bengbu Municipal Bureau of Commerce and Foreign Affairs, and Oerlikon Man-made Fiber. 展开更多
关键词 CIMFC Bengbu man-made fibers
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Study Reveals the Secret Life of Lithium in Sun-like Stars:Created Not Just Destroyed
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《Bulletin of the Chinese Academy of Sciences》 2020年第3期175-175,共1页
Lithium is becoming common in our everyday lives.It is the key ingredient in the batteries of our mobile phones and electric vehicles,but have you ever wondered where it comes from?A new study Ied by Prof.ZHAO Gang an... Lithium is becoming common in our everyday lives.It is the key ingredient in the batteries of our mobile phones and electric vehicles,but have you ever wondered where it comes from?A new study Ied by Prof.ZHAO Gang and Dr.Yerra Bharat Kumar from the National Astronomical Observatories of Chinese Academy of Sciences(NAOC)provides a fresh understanding of both how Lithium is made,and how it is destroyed. 展开更多
关键词 EVERYDAY destroyed CREATE
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Destroyed Lung Syndrome: A Review of 31 Published Cases
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作者 John Osarenkhoe Henry Aiwuyo +1 位作者 Ogbomo Aisosa Umuerri Ejiroghene 《Open Journal of Respiratory Diseases》 2022年第2期37-43,共7页
Background: Destroyed lung is a lung condition commonly caused by tuberculosis. Other causes include bronchiectasis, aspergilloma, emphysema, etc. It is characterized by extensive lung destruction and reduced lung fun... Background: Destroyed lung is a lung condition commonly caused by tuberculosis. Other causes include bronchiectasis, aspergilloma, emphysema, etc. It is characterized by extensive lung destruction and reduced lung function. Chest X-ray, chest CT, bronchography, and ventilation-perfusion ratio scan are the commonest radiologic diagnostic tools. Treatment of choice may include pneumonectomy. The study aims to highlight the common causes of destroyed lung and the major presenting complaints based on age, sex and affected lungs. Method: Published cases from English medical journals were evaluated and analyzed. Results: 31 published cases on destroyed lung were reviewed. 58.1% showed that the left lung was the most commonly affected lung. The condition was more common in males (71%). Based on our review, the commonest causes are pneumonia and tuberculosis at 25.9% and 22.8%, respectively. Conclusion: Pneumonia and Tuberculosis seem to be the commonest causes of destroyed lung based on our review, with left sided affectation being more predominant. 展开更多
关键词 destroyed Lung TUBERCULOSIS BRONCHIECTASIS ASPERGILLOMA EMPHYSEMA
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Diagnostic Dilemma with a Case of Primary Bronchopulmonary Actinomycosis Causing Unilateral Destroyed Lung: A Case Report and Literature Review
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作者 Md. Abir Tazim Chowdhury Sohail Ahmed +7 位作者 Md. Zulfiqur Haider S. M. A. Zulker Nine Md. Kamrul Hasan Md. Estiak Ullah Sahid Musfaqus Shalehin Md. Abdullah Al-Mahammud Kabir Niaz Ahmed Munama Magdum 《Open Journal of Thoracic Surgery》 2022年第1期1-10,共10页
Among chronic pulmonary infections, pulmonary actinomycosis is a rare one, caused by a gram-positive microaerophilic bacterium called Actinomyces. Aside from cervicofacial or abdominopelvic actinomycosis, pulmonary in... Among chronic pulmonary infections, pulmonary actinomycosis is a rare one, caused by a gram-positive microaerophilic bacterium called Actinomyces. Aside from cervicofacial or abdominopelvic actinomycosis, pulmonary involvement is rare, and sometimes this type of infection results in a misdiagnosis of pulmonary tuberculosis or carcinoma. Clinical presentation of pulmonary actinomycosis could be acute or subacute, with lobar involvement. However, the disease is most commonly diagnosed at the chronic phase, with patients presenting mild fever, weight loss, and occasional hemoptysis. Here, we described the case of a 30-year-old male patient, presented with a history of respiratory complaints for more than three years and was diagnosed clinically and radiologically as a case of a destroyed left lung. Later on, post-operative tissue diagnosis was confirmed—pulmonary actinomycosis. 展开更多
关键词 Pulmonary Actinomycosis destroyed Lung Diagnostic Dilemma
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MAN-MADE
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《世界儿童(漫画版)》 2010年第9期8-11,共4页
名月背叛了虎帝大人,他要所有的新型M-M战士听命于他。于是,被博士利用变身药丸救出的流年他们决定要阻止名月。
关键词 初等教育 漫画 课外阅读 man-made
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MAN-MADE
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作者 崔东豪(台湾)(绘画) 《世界儿童(漫画版)》 2010年第2期8-11,共4页
前情提要 似水与流年根据博士日记上面的提示一路找到太阳遗迹,终于见到了博士,博士向两人说明了一切,原来,流年竟是人造人……
关键词 初等教育 漫画 课外阅读 man-made
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Man-made fiber industry enjoys optimistic transformation and upgrading
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《China Textile》 2017年第12期18-19,共2页
As an important fundamental industry of the national economy,the man-made fiber industrial chain is integrated into the era development and it assumes the responsibility of advancing.Each link of the industrial chain ... As an important fundamental industry of the national economy,the man-made fiber industrial chain is integrated into the era development and it assumes the responsibility of advancing.Each link of the industrial chain is connected with each other.After the development and accumulation of several decades,the new produced polyester,PTA and other plants keep 展开更多
关键词 man-made fiber industry enjoys optimistic transformation and upgrading PTA
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THE CAS AND CHINA'S FIRST MAN-MADE EARTH SATELLITE Lu Shouguan(Chinese Academy of Sciences)
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作者 Lu Shouguan Chinese Academy of Sciences Director of the former Task Office for Satellite Develop-ment under the CAS and former director of the CAS Bureau of Planning 《Bulletin of the Chinese Academy of Sciences》 2000年第1期52-62,共11页
In the festivedays whencelebrating the50th anniversa-ry of the found-ing of the Peo-ple’s Republic,and the 50th an-niversary of thefounding of theChinese Acad-emy of Scienc-es (CAS), it isnatural for thepeople to thi... In the festivedays whencelebrating the50th anniversa-ry of the found-ing of the Peo-ple’s Republic,and the 50th an-niversary of thefounding of theChinese Acad-emy of Scienc-es (CAS), it isnatural for thepeople to thinkwith pride ofChina’s 展开更多
关键词 Chinese Academy of Sciences THE CAS AND CHINA’S FIRST man-made EARTH SATELLITE Lu Shouguan CAS
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Notable effects on comprehensive techniques of man-made biosphere in rice fields
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作者 Feng Yilen,CNRRI 《Chinese Rice Research Newsletter》 1996年第4期12-12,共1页
Studied by Mr. LIU Zhongzhu, ex Chairman of Fujian Academy of Agri Sciences, a combined technique of man—made biosphere in rice fields deserves notice. The research indicated that using man—made biosphere in rice fi... Studied by Mr. LIU Zhongzhu, ex Chairman of Fujian Academy of Agri Sciences, a combined technique of man—made biosphere in rice fields deserves notice. The research indicated that using man—made biosphere in rice fields can enrich soil, reduce the infects of diseases, insects and weeds, economize the use of pesticide and herbicide, decrease green house effect, and improve atmosphere. As tested, the yield for rice is usually 10500—12000 kg/ha, for fish is usually 2250—3250 kg/ha. Again, about 50%—60% fertilizer and 30%—50% pesticide can be saved. The net income increased $ 1,080—1,800 per ha. 展开更多
关键词 Notable effects on comprehensive techniques of man-made biosphere in rice fields
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DESTROY用法译评
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作者 吴国良 姚兰芝 《上海翻译》 北大核心 2008年第4期71-74,共4页
关键词 用法特征 destroy 译评 destroy destroy 潜在语义 语言学家 常用词
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Destroying a Peldan Electrostatic Solution Black Hole 被引量:1
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作者 Hao Tang Yu Song +1 位作者 Rui-Hong Yue Cheng-Yi Sun 《Chinese Physics Letters》 SCIE CAS CSCD 2017年第4期9-12,共4页
By throwing a particle with electric charge and angular momentum into the black holes, much evidence shows that the naked singularity of some (3+1)-dimensional black holes might be seen, which is not allowed in the... By throwing a particle with electric charge and angular momentum into the black holes, much evidence shows that the naked singularity of some (3+1)-dimensional black holes might be seen, which is not allowed in the weak cosmic censorship conjecture. In this study, we consider a (2+1)-dimensional Peldan black hole and find that it could be destroyed under certain conditions in both extreme and near-extreme cases. 展开更多
关键词 destroying a Peldan Electrostatic Solution Black Hole
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Destroying Extremal Kerr-Newman-AdS Black Holes with Test Particles
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作者 宋宇 唐浩 +2 位作者 邹德成 岳瑞宏 孙成一 《Chinese Physics Letters》 SCIE CAS CSCD 2017年第3期14-16,共3页
Neglecting the self-force, self-energy and radiative effects, we follow the spirit of Wald's gedanken experiment and further discuss whether an extremal Kerr-Newman-AdS (KNA) black hole can turn into a naked singul... Neglecting the self-force, self-energy and radiative effects, we follow the spirit of Wald's gedanken experiment and further discuss whether an extremal Kerr-Newman-AdS (KNA) black hole can turn into a naked singularity when it captures charged and spinning massive particles. It is found that feeding a test particle into an extremal KNA black hole could lead to a violation of cosmic censorship for the black hole. 展开更多
关键词 destroying Extremal Kerr-Newman-AdS Black Holes with Test Particles
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A Corpus-Based Comparative Study on Synonyms in BNC: Taking Destroy, Ruin, Demolish as Examples
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作者 张雯霞 《海外英语》 2020年第2期91-92,共2页
The discrimination of synonyms has always been the key and difficult points in language learning.By using the British Na⁃tional Corpus(BNC)to retrieve the standard frequency,registers and collocations of the three com... The discrimination of synonyms has always been the key and difficult points in language learning.By using the British Na⁃tional Corpus(BNC)to retrieve the standard frequency,registers and collocations of the three common words,DESTORY,RUIN and DEMOLISH,this paper analyzes their similarities and differences.Besides,this paper demonstrates the strong ancillary func⁃tion of corpus in synonyms discrimination as well as in English teaching and learning. 展开更多
关键词 CORPUS BNC SYNONYMS destroy RUIN demolish semantic prosody
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A new technique of upper-middle face rhytidectomy without destroying the configuration of sideburns
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作者 乔群 《外科研究与新技术》 2005年第3期211-211,共1页
To introduce a safe,effective and lasting rhytidectomy technique without destroying the configuration of sideburns.Methods The operation is performed through the coronal incision,the temporal incision that is parallel... To introduce a safe,effective and lasting rhytidectomy technique without destroying the configuration of sideburns.Methods The operation is performed through the coronal incision,the temporal incision that is paralleled to the nasolabial sulcus,and the preauricular incision in the sideburns.Multi-layer dissection of facial tissue is made.Results 46 patints with aging face have been treated using this technique since 2002.All patinets obtained good curative effects without any severe complications.Conclusion This operation technique may maintain the natural configuration of the preauricular area and sideburns,result obscure incision scar and avoid harming important nerves or vessels.Multi-layer dissection accords with anatomical principles and produces a lasting curative effect.6 refs,2 figs. 展开更多
关键词 A new technique of upper-middle face rhytidectomy without destroying the configuration of sideburns
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双波长近红外拉曼光谱仪及在腐蚀产物分析中的应用
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作者 王茂成 李赣 +3 位作者 程浩 姜维 陈广 李海波 《光谱学与光谱分析》 SCIE EI CAS CSCD 北大核心 2024年第3期756-761,共6页
在拉曼光谱测试中某些物质存在荧光发射背景,由于荧光强度一般比拉曼散射强度高几个数量级,在荧光干扰时几乎无法获得有效的拉曼光谱信号。为抑制荧光背景,可选用近红外波段激光作为激发光源,而硅基探测器在1 000 nm以上波段时光量子效... 在拉曼光谱测试中某些物质存在荧光发射背景,由于荧光强度一般比拉曼散射强度高几个数量级,在荧光干扰时几乎无法获得有效的拉曼光谱信号。为抑制荧光背景,可选用近红外波段激光作为激发光源,而硅基探测器在1 000 nm以上波段时光量子效率严重下降,导致近红外拉曼光谱仪器难以探测3 000 cm^(-1)以上的波段,存在荧光抑制效果与检测范围无法兼顾的问题。由于高波数的拉曼特征峰是识别材料种类和解析材料结构的重要依据,如氨基的N—H伸缩振动峰在3 300 cm^(-1)附近、 OH-伸缩振动峰在3 650 cm^(-1),这些基团是分析材料腐蚀产物、水合物、有机物等的重要依据。因此,迫切需要开发一种解决拉曼光谱仪器无法兼顾荧光抑制效果和检测光谱范围问题的方法。该工作提出一种采用光谱仪固定检测波段、 730和830 nm双波长激光“接力”激发的方案(即830 nm激发低波数拉曼、 730 nm激发高波数拉曼)。通过双激光波长“接力”激发、固定检测波段的新设计,可有效拓宽检测范围至200~3 700 cm^(-1),并且不会降低光谱分辨率(达到6 cm^(-1)),与此同时整机光路无机械可动部件,可靠性高便于实现便携式设计。通过样机进行测试,证明该技术方案具备高灵敏度、较好荧光抑制效果、宽检测范围和较高光谱分辨率等优势。通过研制的双波长近红外拉曼光谱仪获得了铀腐蚀产物、有机涂层下的LiH潮解产物的清晰拉曼信号,解决了特种材料无损检测的技术难题。该技术也适用于其他研究及检测领域,特别是拉曼散射截面小、荧光背景高的物质检测。由于双波长近红外拉曼光谱仪可覆盖200~3 700 cm^(-1)检测范围,为多数水合物、含羟基及氨基官能团物质的拉曼检测提供了一种可行的技术途径。 展开更多
关键词 荧光抑制 高波数 无损检测 便携式拉曼光谱仪 双波长激发
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军用舰船系统组成研究及技术发展趋势展望 被引量:1
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作者 伍赛特 《科技创新与应用》 2024年第4期72-78,共7页
以军用舰船的定义作为切入点,概要介绍舰船的分类及分类依据,并对潜艇,以及航空母舰、驱逐舰、护卫舰等水面舰船的系统组成及技术发展进行详细阐述。重点对舰船总体设计技术,以及水面舰船的技术发展趋势进行展望。军用舰船作为集高新技... 以军用舰船的定义作为切入点,概要介绍舰船的分类及分类依据,并对潜艇,以及航空母舰、驱逐舰、护卫舰等水面舰船的系统组成及技术发展进行详细阐述。重点对舰船总体设计技术,以及水面舰船的技术发展趋势进行展望。军用舰船作为集高新技术于一体的重要武备力量,将为未来的海防事业作出不可磨灭的贡献。 展开更多
关键词 军用舰船 航空母舰 潜艇 驱逐舰 护卫舰 水面舰船 船舶 总体设计
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