Difficulty相关论文
As you know, it is a drastically different experience being around positive people versus negative ones. If you are stri......
Some artistic characteristics of poetry distinguish it from other literary genres. This paper mainly discusses the diffi......
Scientific research always begins with a question,and asking questions in a scientific way is a fundamental prerequisite......
用法一可以表示“令人烦恼的人”。1.You’re too much trouble!你真恼人!2.Oh,there’s George, herecomes trouble! 噢,George 来......
Earthquake-collapsed building identification is important in earthquake damage assessment and is evidence for mapping se......
The settlement curve of the foundation endured the ramp load is an S-type curve,which is usually simulated via Poisson c......
I had been teaching English for many years before I went to Americafor further study.As a teacher of English,one is usu......
Optimal control is an important field in the modem control theory and technology and is one of the frontiers of nowaday ......
<正> The most successful quantum statistical methods to treat the ferromagnetic and antiferromagnetic system are the spi......
<正> One method often used in long-range weather forecasting is to analyse a series of historical data. In the early sta......
(Editor’s note:the following article iscontributed by Shanhai Henyin FuturesBrokerage Co.Ltd.Although we doubt theaccu......
Chongqing Smelter,a local enterprise owned byChongqing City,Sichuan province has beenmerged recently into the Shenzhen ......
In order to solve the difficulty of detailed recognition of subdivisions of structural coal types,a differentiation mode......
硫磺有杀虫、杀螨和杀菌作用。很多卫生筷用硫磺熏,是为了起到漂白 的作用,这样可以使筷子看起来更白,更干净。但是,硫磺燃烧后会......
1 Introduction The shallow water delta reservoir in South Wen 79Block is in the stage of high water-cut stages,and is st......
A combined algorithm for battery state of charge(SOC)estimation is proposed to solve the critical issue of hybrid electr......
Lewis acidic ionic liquids were used to catalyze the reaction of epoxypropane with POCl_3.Considering the lower cost and......
With an alloy content as high as 80%or more,Ni-based OCTG is a strategic products related to the state energy security,m......
Based on the Residual Oil Hydrodesulfurization Treatment Unit (S-RHT), the n-order reaction kinetic model for residual o......
Sedimentation from soil erosion is a critical reservoir watershed management issue. Due to the difficulty of field inves......
Thermodynamic and kinetic study on interfacial reaction and diamond graphitization of Cu Fe-based di
Cu-Fe based diamond composites used for saw-blade segments are directly fabricated by vacuum and pressure- assisted sint......
In order to reduce the labor intensity and task difficulty of dam risk analysis and to meet the actual requirement of da......
A key problem in gravity dam design is providing enough stability to prevent slide,and the difficulty increases if there......
Taking into account uncertainties in water management remains a challenge due to social,economic and environmental chang......
Prof.Xiong Yujie’s laboratory at the School of Chemistry and Materials Science,University of Science and Technology of ......
In order to accurately predict and control the aging process of dams, new information should be collected continuously t......
MPI (microwave polarization index) method can use different frequencies at vertical polarization to retrieve soil moistu......
The problems in the vehicle off-road experiment,such as various kinds of expensive instruments and difficulty in matchin......
This paper presents the result and analysis of the composition of energy loss occurring in the hydro turbine. Two new ty......
Hydrogen is starting to be mentioned as an alternative fuel to replace the fossil fuel in future transportation applicat......
A Density Functional Theory Study of Codoping Characteristics of Sulfur with Alkaline Earth in Delaf
The structural,electronic properties and formation energies of sulfur and alkaline earth codoped delafossite CuAlO_2 hav......
Mechanism analysis and process optimization of sand and plug removal with rotating jet in horizontal
In the view of the problems existing in horizontal well,such as sand depositing and cleaning difficulty of borehole,a te......
The conventional quality control method of core rockfill dam construction exhibit difficulty controlling compaction para......
Under the principle of sustainable development, this paper analyzes the factors influencing the competitive powerof scen......
Clinical data Case 1:A 43 years old female patientpresented with a mass in the anterior aspect of the neck for10 days wa......
Transmission Spectral Characteristics of Photonic Crystals Milled in Annealed Proton-Exchange LiNbO_
Transmission spectra of triangular lattice photonic crystals milled in the top surface of an annealed protonexchange wav......
谎言可以传遍世界,直到真理出现。——詹姆斯·瓦特詹姆斯·瓦特之所以出名是因为他大大改进了蒸汽发动机,使之广泛应用于工厂矿山......
The major difficulty in achieving good performance of industrial polymerization reactors lies in the lack of understandi......
The hydraulic characteristics of end-dump closure with the assistance of backwater-sill in diversion
The river closure is a key step in the water dam construction, and the end-dump closure is a general way to cut off the ......
The toad (1) was very happy to get a hat on his birthday. His friend frog made the hat for him. The toad wore (2) the ha......
【摘要】随着新《英语课程标准》的颁布,课堂教学改革的不断深入,传统和新型的教学观、教学方法之间的矛盾更加深化,不断碰撞,产生火花......
Prediction of the future flood severity in plain river network region based on numerical model: A ca
Suzhou is one of China’s most developed regions, located in the eastern part of the Yangtze Delta. Due to its location ......
Investigating the relationships between facets of work task and selection and query-related behavior
Purpose: This study aims to explore the relationships between different facets of work task and selection and query-rela......
By analysing the hydrogeological conditions of this region and the coal mines hereof, together with the water hazards tr......
OXYGEN isotope compositions of organic matter in geological archives, such as treé rings, peats, lake sediments and pa......
Reading promotion has become one of the main library services.Basic theory in the field of reading promotion should incl......
This paper,taking account of the time factor,intends to reconstruct P-index,a new scientific and technological evaluatio......
For years almost everyone has be-lieved that people lose some of their mental powers as they grow older. We have believ......