The maximum internal spanning tree (MIST) problem is utilized to determine a spanning tree in a graph G,with the maximum......

Good morning,comrades and friends!I’m very glad to attend this English speech competition.I think such an activity wil......

本文利用粮豆轮作补贴试点地区农户调查数据,采用条件价值法测算了不同积温带下农户粮豆轮作的受偿意愿,据此判断当前制定的补偿标......

Based on the sequence of a resistance gene analog FZ14 derived from Zizania latifolia (Griseb.), a pair of specific PCR ......

Simulated adsorptive experiments using the axletree and lubricating oil containing anticorrosion additive were conducted......

Based on field survey, the thesis analyzes the key factors affecting development of rural tourism systematically, takin......

The agent profession is not new to Chinese. First appearing in the Western Zhou Dynasty, agents were called “Zhi Ren”......

Public enthusiasm marks the Sixth Asian Winter Games China’s motor-city Changchun, Jilin Province, came into the spotli......

We report the direct generation of 75-femosecond pulses from a stretched-pulse fiber ring laser using the nonlinear pola......

Supercontinuum generation in dispersion-flattened fibers is studied theoretically.It is found that the flat spectral wid......

A high linearity,undersampling 14-bit 357 kSps cyclic analog-to-digital convert(ADC) is designed for a radio frequency i......

In this letter,we propose and demonstrate a simple and novel method for fiber chromatic dispersion(CD) measurement based......

The effective lithospheric elastic thickness of the continent is an important parameter for examination of the large-sca......

In an experiment on the round-trip fiber transfer of joint frequency and time signals based on wavelengthdivision multip......

A novel design of a two-axis fast steering mirror(FSM) with piezoelectric actuators is proposed for incoherent laser bea......

Positron Emission Tomography(PET) using time-of-flight information,which can greatly improve the quality of the reconstr......

We demonstrate efficient generation of continuous spectrum centered at 400 nm from solid thin plates. By frequency doubl......

通过开展探索性实验、假期学生科研兴趣小组和开放课题的活动,引导本科生参与科研,培养了学生的学习能力、实践能力、创新能力、交......

1. Retrospection on historyAs important section of spatial planning, regional planning is attracting increasing attentio......

This paper describes how Chinese companies can enhance their competitive advantage through implementing enterprise infor......

We consider differentiated timecritical task scheduling in a N×N input queued optical packet s w itch to ens ure 100% t......

Good teaching method is the first step to successful teaching.Till now,some teachers still follow the traditional teach......

Spinal cord injury disrupts the connections between the brain and spinal cord, often resulting in the loss of sensory an......

Adsorption of potassium and sodium ions by four typical variable charge soils of South China was studied. The results i......

2Nearwork-indutalpermanentmyopiaGenerally,itisaccePtedthatchildhoodm}opiapro-gressionisduetoaxialelongation,whichisnotco......

Number 1Green Barrier and Our Foreign Trade CAI Jie( 1)……………………………………………………………………………………......

Viral reservoirs of HIV-1 are a major obstacle for curing AIDS. The novel animal models that can be directly infected wi......

NaY zeolites were in-situ synthesized from coal-based kaolin via the hydrothermal method. The effects of various factor......

A series of polyads consisting of covalently-(CH2)4-linked fluorescein with carbazole and violger.Live been synthesized ......

Mg/Al mixed oxides with molar ratios of 2_6 of Mg to Al used as supports for platinum catalysts were obtained by the the......

The purpose of this assignment is to evaluate the course book New Headway intermediate students’book.The teaching conte......

This article introduces the situation related with the increasingly deteriorating crude quality,the demand for cleaner t......

Two haptens of 3-[(5-amino-furan-2-ylmethylene)amino]oxazolidin-5-one(FZ-NH_2) and 3-{[(4-carboxyphenyl)methylene]-amino......

DNA is the genetic material of various organisms. Extracellular DNA adsorbed or bound on surface-active particles in soi......

The influence of working pressure on microstructure and residual stress evolution of magnetron sputtered ZrN coatings we......

The cross section and the double-differential neutron emission cross section data of light nuclei are very important in ......

AIM:Our study aimed to compare the results of liver transplantation (LT) and liver resection (LR) in patients with hepat......

This paper numerically investigates the effects of dispersion on optical fibre chaotic communication,and proposes a disp......

This article proposes a new algorithm of joint channel and carrier frequency-offset (JCCFO) estimation for multi-user mu......

A novel algorithm called Colony Location Algorithm (CLA) is proposed. It mimics the phenomena in biotic community that ......

In this paper, we investigate channel frequency response(CFR) matrix and interference-plus-noise covariance matrix(ICM) ......

This paper studies the problem of designing adaptive fault-tolerant controllers for linear time-invariant systems with a......

The development of asynchronous brain-computer interface(BCI) based on motor imagery(MI) poses the research in algorithm......

目的了解玉溪市农村居民疾病直接经济负担情况,为提高新农合政策保障水平、最大限度减轻农村居民疾病直接经济负担提供参考。方法......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

平行机排序问题广泛出现并应用于各领域,如通讯网信道分配的负载均衡,大型计算中的并行计算,柔性制造系统的任务编排等等.研究了预......

基于投入产出视角,在建构旅游目的地投入产出效率评价指标体系的基础上,探讨长江经济带11省市旅游目的地竞争力的强弱。研究认为:......

对电力系统进行分区无功补偿以提高整个电力系统的电压稳定裕度。首先定义各节点间的电气距离,即电压幅值对无功功率的灵敏度;并在......

在阐明了产业内贸易的概念及其衡量指标后,运用产业内贸易指数和竞争力指数对我国产业内贸易发展现状进行了一些分析与思考,并探讨......