科技论文中的文题、文摘、关键词、参考文献及图、表的编写规范

<正>1文题是文章的标签,内容要高度概括,用最精练的文字,充分反映论文的基本内涵与特色,要求言简意赅,抓住核心。1.1文题具有画龙点睛之功,它的作用有三:(1)便于审选编排;(2)便于读者选题;(3)便于编制索引。1.2文题的要求:(1)确切;(2)简练;(3)醒目。中英文内容要一致。个别非实质性的词,有时可以省略或改动。如中文的体会、探讨、初步分析……等,译成英文时常可省略或不用。如:英文文题中的The effect of;A discussion on;Regarding;Studies on;等,在中文文题中也可省略。避免用"基于……的研究"、"采用……的方法"等非特定词组。文题不是句子,所以不含主语、谓语。     

科技论文中的文题、文摘、关键词、参考文献及图、表的编写规范

<正>1文题是文章的标签,内容要高度概括,用最精练的文字,充分反映论文的基本内涵与特色,要求言简意赅,抓住核心。11.1文题具有画龙点睛之功,它的作用有三:(1)便于审选编排;(2)便于读者选题;(3)便于编制索引。11.2文题的要求:(1)确切;(2)简练;(3)醒目。中英文内容要一致。个别非实质性的词,有时可以省略或改动。如中文的体会、探讨、初步分析……等,译成英文时常可省略或不用。如:英文文题     

科技论文中的文题、文摘、关键词、参考文献及图、表的编写规范

<正>1文题是文章的标签,内容要高度概括,用最精练的文字,充分反映论文的基本内涵与特色,要求言简意赅,抓住核心。1.1文题具有画龙点睛之功,它的作用有三:(1)便于审选编排;(2)便于读者选题;(3)便于编制索引。1.2文题的要求:(1)确切;(2)简练;(3)醒目。中英文内容要一致,个别非实质性的词,有时可以省略或改动。如中文的体会、探讨、初步分析……等,译成英文时常可省略或不用,如:英文文题     

新型歼击机平显武器瞄准符号显示格式的实验研究

比较飞行员对格斗模式下平显（Head Up Display,HUD）导弹一航炮两种瞄准符号显示格式的认知操作效果和使用评价意见,在此基础上提出新型歼击机HUD导弹一航炮显示的建议方案。实验采用2×2重复测量设计,以151名空军现役歼击机飞行员为实验对象,完成HUD导弹一航炮不同显示格式画面的测试,并在实验结束后对每种显示格式做出“优、良、中、差”的等级评定。根据工效学实验的结果数据和飞行员的使用性评价意见,提出新型歼击机HUD武器瞄准符号显示格式的优化方案。     

科技论文中的文题、文摘、关键词、参考文献及图、表的编写规范

<正>1文题是文章的标签,内容要高度概括,用最精练的文字,充分反映论文的基本内涵与特色,要求言简意赅,抓住核心。1.1文题具有画龙点睛之功,它的作用有三:(1)便于审选编排;(2)便于读者选题:(3)便于编制索引。1.2文题的要求:(1)确切;(2)简练;(3)醒目。中英文内容要一致。个别非实质性的词,有时可以省略或改动。如中文的体会、探讨、初步分析……等,译成英文时常可省略或不用。如:英文文题     

文后参考文献表排写格式

<正>(参见GB/T 7714-2005《文后参考文献著录规则》)参考文献按在正文中出现的先后次序列表于文后,表上以"参考文献"居中排作为标识;参考文献的序号左顶格,并用数字加方括号表示,如[1],[2],…,以与正文中的指示序号格式一致.每一参考文献条目的最后均以"."结束.各类参考文献条目的编排格式及示例如下.a.连续出版物[序号]主要责任者.文献题名[J].刊名,出版年份,卷号(期号):起止页码.     

飞机空中交会显示格式对情境意识与认知绩效的影响

为考察飞机空中交会信息显示格式对情境意识和认知绩效的影响。实验采用模拟飞行相撞判断任务,以情境意识和相撞判断准确率为指标,对整合式显示与分离式显示这两种显示格式的视觉工效进行比较。结果表明:(1)整合式显示条件下情境意识与相撞判断的准确率均高于分离式显示;(2)信息显示格式以情境意识为中介对认知绩效产生显著影响。结论:整合式显示格式的相对优势可归因于该显示格式对情境意识的促进作用。     

文后参考文献表排写格式

<正>文后参考文献表排写格式(参见GB/T 7714-2005 《文后参考文献著录规则》)参考文献按在正文中出现的先后次序列表于文后,表上以"参考文献"居中排作为标识;参考文献的序号左顶格,并用数字加方括号表示,如[1],[2],…,以与正文中的指示序号格式一致.每一参考文献条目的最后均以"."结束.各类参考文献条目的编排格式及示例如下.a.连续出版物[序号]主要责任者.文献题名[J].刊名,出版年份,卷号(期号):起止页码.例如:[1]袁庆龙,候文义.Ni-P合金镀层组织形貌及显微硬度研究[J].太原理工大学学报,2001,32(1):51-53.     

参考文献格式

正文后参考文献表排写格式(参见GB/T 7714-2005 《文后参考文献著录规则》)参考文献按在正文中出现的先后次序列表于文后,表上以"参考文献"居中排作为标识;参考文献的序号左顶格,并用数字加方括号表示,如[1],[2],…,以与正文中的指示序号格式一致.每一参考文献条目的最后均以"."结束.各类参考文献条目的编排格式及示例如下.     

文后参考文献表排写格式

正(参见GB/T 7714-2005《文后参考文献著录规则》)参考文献按在正文中出现的先后次序列表于文后表上以"参考文献"居中排作为标识参考文献的序号左顶格,并用数字加方括号表示,如[1],[2],…,以与正文中的指示序号格式一致.每一参考文献条目的最后均以"."结束.各类参考文献条目的编排格式及示例如下.     

Insertion of triangulated surfaces into a meccano tetrahedral discretization by means of mesh refinement and optimization procedures

In this paper, we present a new method for inserting several triangulated surfaces into an existing tetrahedral mesh generated by the meccano method. The result is a conformal mesh where each inserted surface is approximated by a set of faces of the final tetrahedral mesh. First, the tetrahedral mesh is refined around the inserted surfaces to capture their geometric features. Second, each immersed surface is approximated by a set of faces from the tetrahedral mesh. Third, following a novel approach, the nodes of the approximated surfaces are mapped to the corresponding immersed surface. Fourth, we untangle and smooth the mesh by optimizing a regularized shape distortion measure for tetrahedral elements in which we move all the nodes of the mesh, restricting the movement of the edge and surface nodes along the corresponding entity they belong to. The refining process allows approximating the immersed surface for any initial meccano tetrahedral mesh. Moreover, the proposed projection method avoids computational expensive geometric projections. Finally, the applied simultaneous untangling and smoothing process delivers a high‐quality mesh and ensures that the immersed surfaces are interpolated. Several examples are presented to assess the properties of the proposed method.     

From Industry 4.0 to Research 4.0. Development of High Performance Fibers in the Light of Digitization

We associate a variety of innovations with the term ＂Industry 4.0＂. The pioneer of many 4.0 modifications forms the basisfor the trend towards the integrated di...     

Roman iron and steel: A review

ABSTRACT

The production of ferrous metal increased during the Roman Late Republican period, Principate and Empire. The direct bloomery process was used to extract the metal from its ores using slag-tapping and slag-pit furnaces. The fuel was charcoal and an air blast was introduced by bellows-operated tuyères. Iron formed as a bloom, often as a spongy mass of metal, which contained impurities from the smelting process, including unreacted ore, fuel, slag and fragments from the furnace walls, while the metal was often inhomogeneous with varied carbon contents. Blooms were either smithed directly into bars or ingots or they were broken up, which also allowed the removal of gross impurities and a selection of pieces with similar properties to be made. These could then be forge-welded together and formed into characteristically shaped ingots. Making steel in the furnace seems to have been achieved: it depended on the ore and the furnace and conditions within it. Surface carburization was also carried out. Iron and steel were used extensively in construction and for tools and weapons. Fire welding was often used to add pieces of steel to make the edges of tools and weapons, which could be heat-treated by quenching to harden them.     

Certification Institutions Expected to Update and Transfer Information on Present Standards

Standards are the basis for production enterprises to organize production, ex-factory inspection, trade (delivery) and technical exchanges, product certification, quality arbitration and supervision.……     

The Research of Anti-Wear Properties of Organomolybdenum Compounds in the Engine Oils

A four-ball tester was used to evaluate the anti-wear performance of three kinds of organomolybdemun compounds in the engine oils, i. e., molybdenum dialkyldithiophosphate (MoDDP), molybdenum dialkyldithiocarbamate ( MoDTC), and sulphur and phosphorus freeorganomolybdeum (Molybdate). The results indicate that a low concentration of MoDDP doesn' t improve the anti-wear properties of the commercial engine oils, but a high concentration of MoDDP can obviously improve the anti-wear properties and the load-carrying capacity of the engine oils. MoDTC doesn' t improve the antiwear properties of the engine oils, but worsens the anti-wear properties of the oils. Signifi can timprove ment of frictional and wear characteristics is obtained with Molybdate added in the commercial engine oils and the formulated oils.     

Flow calorimeter for enthalpy increment measurements on condensed gases

A flow calorimeter for enthalpy increment measurements on condensed gases is presented. A better knowledge of the properties of the liquefied natural gas is needed, and therefore a liquid loop has been designed for our flow calorimeter. The fluid loop in the calorimeter is designed in order to avoid the two-phase region, since two phases would give compositional disturbances in the measurements. The avoidance of the two-phase region is made possible by increasing the pressure of the test fluid after the measurement section, then heating the fluid at super-critical pressure past the critical point. Finally, the fluid is throttled to the low-pressure gas state at the inlet condition of the compressor that circulates the fluid. To perform the pressure increase, a new cryogenic pump has been designed. To evaluate the new equipment, measurements were taken on liquid ethane over the temperature range 146–256 K at pressure between 0.9 and 5.1 MPa.     

Synthesis of Alumina-Zirconia Nanocomposites by Solgel Process

Al₂O₃-ZrO₂ nanocomposites were developed starting with the solgel process. Composite alumina-zirconia nanopowders were synthesized from metallorganic precursors (Aluminium secondary butoxide and zirconium Iso propoxide) using the solgel process. The parameters affecting the synthesis—solvent, concentration of precursor, R/H ratio (i.e., dilution of water in solvent)—were varied as also the temperature and pH. BET and TEM were used to measure nanosize. Diffuse reflectance spectroscopy and also qualitative optical absorption led to identical particle size estimate. The variation of process parameters was used to study the effect and interdependence of process parameters. Artificial Neural Networks was used to rigorously analyze the process. Although this led to confirmation of interdependence of parameters, the presence of a single overwhelming solvent variable was also established. Then the optimal process was used to synthesize more nanopowder. To produce bulk nanocomposite the nanopowders were sintered by varying the temperature and time period. The sintered lithoids were probed with a vickers hardness tester to measure elastic modulus, hardness, and fracture toughness. The results showed high elastic modulus, modest hardness, and very high fracture toughness.     

Refrigerators Enter a New Era of Health Preservation Frestech initiates the establishment of China's first standard for household sterilization refrigerators

On November 30, 2007, the China Association for Standardization (CAS) held a press conference at Beijing Diaoyutai State Guest House. Leaders from the China Household Electric Appliance Research Institute, the China Household Electric Appliance Association, and the China Consumers' Association attended and made speeches.……     

Friction Stir Processing Strategies for Uniform Distribution of Reinforcement in a Surface Composite

Friction stir processing (FSP) is an important technique for preparing surface composites. Fabricating defect-free surface composites with uniform particle distribution by FSP is a challenging task. In this study, silicon carbide particles reinforced AA5083 alloy surface composites was fabricated using different FSP strategies including variation in process parameters, dual-tool processing and tool offset overlapping. Material flow of the processed material with reinforcement particles demonstrated that the distribution of particles was influenced by the stirring action of the probe as well as the extrusion of the plasticized material due to the movement of the tool. Process parameters, particularly rotational speed, showed a dominant influence on the distribution of silicon carbide particles.