Potential Benefits and Obstacles of the Use of Internet of Things in Saudi Universities: Empirical Study

Internet of Things (IoT) among of all the technology revolutions has been considered the next evolution of the internet. IoT has become a far more popular area in the computing world. IoT combined a huge number of things (devices) that can be connected through the internet. The purpose: this paper aims to explore the concept of the Internet of Things (IoT) generally and outline the main definitions of IoT. The paper also aims to examine and discuss the obstacles and potential benefits of IoT in Saudi universities. Methodology: the researchers reviewed the previous literature and focused on several databases to use the recent studies and research related to the IoT. Then, the researchers also used quantitative methodology to examine the factors affecting the obstacles and potential benefits of IoT. The data were collected by using a questionnaire distributed online among academic staff and a total of 150 participants completed the survey. Finding: the result of this study reveals there are twelve factors that affect the potential benefits of using IoT such as reducing human errors, increasing business income and worker’s productivity. It also shows the eighteen factors which affect obstacles the IoT use, for example sensors’ cost, data privacy, and data security. These factors have the most influence on using IoT in Saudi universities.

The Obstacles and Solutions to Improving Non English-major Students' Listening Comprehension

Listening has been playing an essential role in daily communication.However,listening is the most difficult part and has been an obstacle in the process of learning English for most of learners for a variety of reasons.The paper mainly discusses the linguistic and non—linguistic obstacles in the process of listening and aims to help English learners find out their own shortcomings and put forward some corresponding solutions to improve learners' listening ability.

Effects of Obstacles on Flame Propagation Behavior and Explosion Overpressure Development During Gas Explosions in a Large Closed Tube

AutoReaGas was used for the simulations of premixed gas/air mixtures explosion characteristics in obstacle-filled tubes with a cross-section of 0.2 m×0.2 m and the length of 28 m. Numerical analyses provide a quantitative description of dependence of flame propagation speed and explosion overpressure on obstacles number, blockage ratio and interval distance. Computational results indicate that the obstacles play a significant role in determining the flame transmission speed and explosion overpressure in gas explosions. With the increase of blockage ratio, the explosion overpressure gradually rises. Nevertheless, the flame speed does not always increase along with increasing blockage ratio, but subsequently begins to decrease as the blockage ratio increases to some extend. Also, the interval distance between obstacles strongly influences flame behavior and explosion overpressure. When the obstacle interval distance is equal to inner diameter of the tube, the average flame speed in the obstacle zone and the peak overpressure in tube all reach maximum values.

Assessment of Potential Aerodrome Obstacles on Flight Safety Operations Using GIS: A Case of Murtala Mohammed International Airport, Lagos-Nigeria

The study focuses on the spatial analysis of the threat of potential Aerodrome obstacles on flight safety operations, in Murtala Mohammed Airport, Ikeja Lagos State. The study arises from the cases of flight safety in Nigerian airports which begins from the time passengers board the flight to the take-off time and location, the taxing of the plane and ends at the landing. The research employs GIS to model the 3D obstacles of the aerodrome, which demonstrated the ability in classifying the various threats on the aerodrome. The data acquired for this study ranging from primary data which included georeferencing of the obstacles that are found along the aerodrome with a Differential Global Positioning System (DGPS) to secondary data which included all base maps and satellite images. The spatial data conversion and manipulations were done using the ArcGIS 10.3.1 software. The 3D simulation of the obstacles was done in the ArcScene environment. To examine the spatial patterns of the obstacles around the aerodrome, the Average Nearest Neighbour Analysis (ANN) was used as statistical function from ArcGIS. The obstacles found within the MM2 aerodrome were grouped into the tolerant and non-tolerant ones. However, the finding shows that MM2 aerodrome conforms to ICAO standards and recommended practices. The study thus recommends strict daily monitoring of flight route to mark objects for foundation on the non-tolerance zones.

ON DECOMPOSITION METHOD FOR ACOUSTIC WAVE SCATTERING BY MULTIPLE OBSTACLES

Consider acoustic wave scattering by multiple obstacles with different sound properties on the boundary, which can be modeled by a mixed boundary value problem for the Helmholtz equation in frequency domain. Compared with the standard scattering problem for one obstacle, the difficulty of such a new problem is the interaction of scattered wave by different obstacles. A decomposition method for solving this multiple scattering problem is developed. Using the boundary integral equation method, we decompose the total scattered field into a sum of contributions by separated obstacles. Each contribution corresponds to scattering problem of single obstacle. However, all the single scattering problems are coupled via the boundary conditions, representing the physical interaction of scattered wave by different obstacles. We prove the feasibility of such a decomposition. To compute these contributions efficiently, an iteration algorithm of Jacobi type is proposed, decoupling the interaction of scattered wave from the numerical points of view. Under the well-separation assumptions on multiple obstacles, we prove the convergence of iteration sequence generated by the Jacobi algorithm, and give the error estimate between exact scattered wave and the iteration solution in terms of the obstacle size and the minimal distance of multiple obstacles. Such a quantitative description reveals the essences of wave scattering by multiple obstacles. Numerical examples showing the accuracy and convergence of our method are presented.

Study on Obstacles to Continuous Cropping of Vegetables and Soil Remediation Technology

Firstly,this paper analyzes the cause of obstacles to continuous cropping of vegetables,and then introduces the soil ecological remediation technology used for overcoming obstacles to continuous cropping of vegetables. Finally,this paper analyzes the effect of applying soil ecological remediation technology in overcoming obstacles to continuous cropping of vegetables.

Breaking Key Obstacles on Developing Circular Agriculture and Promoting Agricultural and Pasture Resources Benefit

The present situation,problems and constraints of the circular agriculture development in Hebei Province are systematically analyzed,the subject modes suitable for the development of circular agriculture and the value-added potential are described,and finally some proposals are put forward.

Energy Performance Contracting—Business opportunities would be infinite if the “two obstacles” were cracked

Energy Performance Contracting was introduced into China in the mid 1990s. Since western energy service companies came to China, their management pattern has undergone major changes. Why did such changes occur? Mainly because these companies encountered two difficulties in China: tax and financing.

The Major Obstacles in Improving English Reading Speed

This thesis analyzes the major obstacles in improving English reading speed,such as being lack of vocabulary and grammatical knowledge,bad reading habits,being lack of reading interest and the obstacle of cultural background knowledge,etc.Through discussing those major obstacles,this thesis puts forward some suggestions and teaching strategies.Those suggestions and teaching strategies will help college students to overcome the major obstacles and improve English reading speed.

A Research on Middle School Students'English Reading Obstacles and Strategies

English reading,a key procedure of English learning and teaching in middle school,is an essential way of getting information from the globe and communicating with others.Therefore,efficient comprehension on reading materials will directly serve for accepting the information.And it is extremely important for middle school students to acquire certain reading ability.At present,great attention has been paid to the course of reading in the instruction of English by the Chinese Education Department.But middle school students'read ing ability is still much lower than the target they should reach because of a set of existing obstacles that prevent them from being effective English readers.What are these obstacles? How to break them down? This paper will first point out and then analyze the obstacles that af fect middle school students'reading ability from two aspects:linguistic obstacles(obstacles of lexicon,grammar and background knowl edge) and non-linguistic obstacles(obstacles of psychology,interest,skill,and habit).After demonstrating different obstacles,the paper also come up with some corresponding strategies in the hope of helping middle school students to be effective English readers.

Exploring into Cultural Obstacles in TCM Terms Translation

TCM terms has a deep root in Chinese culture,which brings about cultural obstacles for TCM terms translation.This paper attempts to analyze the origin of some TCM terms and classify the cultural obstacles in TCM terms translation.In order to effectively transfer culture-loaded information to foreign readers,translators should be fully aware of cultural differences to improve their intercultural communication competence.

Obstacles in employing evidence-based practice by nurses in their clinical settings: a descriptive study

Objective: The challenge of employing evidence-based practice (EBP) is multifarious and varied. Nursing interventions supported by research evidence have been exposed to progress positive patient outcomes, while its implementation is faced with various obstacles. This study aimed to identify obstacles in employing EBP by nurses in their clinical settings. Methods: This descriptive design study was conducted at Benha University Hospital with a convenient sample of 154 nurses. Two tools were utilized: (Ⅰ) sociodemographic data sheet, which included sociodemographic characteristics of the participants, and (Ⅱ) interview scale, which contained two parts: (1) obstacles scale, which contained obstacles that impede nurses from the utilization of EBP, and (2) questions to rank the three greatest obstacles in employing EBP by nurses. Results: The greatest EBP obstacle ranked by nurses was the organizational limitations (90.9%), followed by research quality (86.9%) and research accessibility (51.0%), while individual characteristics (35.9%) were ranked as the least obstacle. There was a significant statistical correlation between organizational limitations, research quality as well accessibility-related obstacles and nurses' age, level of education, as well their years of work experience (P<0.05). Conclusions: Findings of this study showed series of obstacles in employing EBP by nurses in their clinical settings, stressing the call for expansion of nurses' capabilities related to EBP utilization in patients' care.

Manipulating extrinsic and intrinsic obstacles to axonal regeneration after spinal cord injury

Spinal cord injury（SCI）is a traumatic event that can lead to permanent motor and sensory deficits.After the initial trauma,axons of surviving neurons rapidly retract.While there may be a small degree of abortive sprouting,virtually all attempts at robust regrowth across the lesion site ultimately fail.Thus,neurons below the level of the injury are permanently disconnected from their normal input,resulting in persistent loss of function.

Obstacles to Rural Residents' Consumption in China and the Countermeasures

On the basis of relevant statistical data, this paper analyzes the obstacles to rural residents' consumption in China as follows: the consumption structure is restricted critically; the consumption environment cannot meet the need of social development; the traditional consumption concept has not yet been changed; the social security system is not sound; the support of rural finance is short. Pointed countermeasures for eliminating the obstacles to rural residents' consumption are put forward as follows: first, adopt effective measures to elevate the level of farmers' income; second, strengthen the credit support of rural finance; third, quicken the pace of modernized development in rural areas; fourth, construct perfect rural social security system.

The Analysis of Obstacles to Rural Microfinance Development in China

On the basis of presenting the terminology and classification of Rural Microfinance, this paper introduces the present situation of China's rural microfinance development and analyses the factors that hinder the highly efficient and sustainable development of rural microfinance in current China. These factors include the operational risk, the financial resource and the sustainability of development, the regulation issues, and the issue of financial supporting services. This paper also makes several suggestions concerning policy making: the government should vigorously promote innovations in systems and mechanisms as well as products, constantly improve financial supporting services, and put more emphasis on supervision and control, as well as policy support.

Investigation on Combustion Characteristics in Channel with Obstacles for Internal Combustion Wave Rotor

This paper establishes a simplified test system for internal combustion wave rotor with a single channel and designs different intensifying combustion obstacles and arrangements. Moreover, this paper analyzes the intensifying effect of obstacles on combustion process of the internal combustion wave rotor from the stable operation range, pressure gain and flame progression process perspective. The results show that the range of inlet velocity under stable operation of the internal combustion wave rotor narrows after the addition of obstacles, and the corresponding velocity values substantially reduce while the flame propagation speed can be improved by 2 - 4 times. At the rotation rate of 1500 rpm, the pressure gain increases significantly during the combustion process. These results provide technical supports for further research and application of the internal combustion wave rotor.

Obstacles Associated with Considering Family as Client (Family Centered Care)

Family-centered care is commonly used to describe optimal health care as experienced by families. The main aim of this paper is to recognize the obstacles associated with considering family as client in Saudi Arabia. It is clear that the elements “Recognition of family individuality”, “Developmental needs”, “Parent/professional collaboration”, “Design of the health care system” and “Emotional support for staff” were strongly present in Saudi participants’ practice of family-centered care. The major obstacles of considering family as client are: Lack of staff, limited time to build trust and form relationships, and limited time to negotiate care. Moreover, Saudi participants said that language barriers limited their abilities to communicate with families, which in turn hindered their ability to practice family-centered care. This paper recommends that the approach of family-centered care within the context of nursing education in Saudi Arabia should be included.

Research on Incentive Mechanism and Analysis of the Obstacles in the Application of Low-carbon Logistics Technology

Low-carbon logistics technology is a modem technology with green environmental protection concept as the core, which can effectively reduce the carbon emissions of all links in logistics activities, and thus achieve the goal of maximizing the use of resources and reducing environmental pollution. With the deepening of the concept of environmental protection, the application of low-carbon logistics technology is not only an inevitable choice for adapting to social development and responding to environmental protection slogans, but also an inevitable choice for the logistics industry to achieve sustainable development goals. Based on the brief introduction of low-carbon logistics technology, this paper analyzes the main obstacles of the application of the technology, and proposes corresponding incentive mechanism according to the obstacle factors, aiming at alleviating the resistance in the practical application of low-carbon logistics technology and promoting the realization of low-carbon logistics development.

Developing evidence-based medicine in Persian medicine: obstacles, challenges, and solutions andsolutions

Introduction:Considering the importance of evidence-based medicine(EBM)and the emphasis of Persian medicine(PM)experts on its use,this study was designed;to investigate the practice of PM specialists,the obstacles,challenges,and solutions of developing and using EBM in PM were also the aims of the present study.Method:In the present study,98 PM specialists,who work in Iran completed the electronic Persian version of the evidence-based medicine.The effective factors in the practice of specialists were assessed by Spearman correlation and Mann-Whitney U tests.Results:The mean±standard deviation of age,graduation time,and clinical experience were 44.52±6.45,3.26±2.28,and 6.76±5.27 years,respectively.Evaluating the data showed,that 52 participants(53.1%)had not passed any EBM training courses.Social media,general and medical databases,textbooks,colleagues,and journal articles were used frequently in clinical practices,but the specific EBM-specific resources were neglected.Conclusions:More attention must be paid to produce scientific evidence,improving the infrastructures and health policies,and empowering PM specialists to apply EBM in their clinical practices.

WORK TO OVERCOME ALL OBSTACLES AND PREVAIL IN THE EPOCH-MAKING TEST OF FIGHT AGAINST EPIDEMIC

"The nature of a hero is shown in turmoil."Faced with this major public health emergency,novel coronavirus pneumonia epidemic,the CPC Central Committee with Comrade Xi Jinping at the core has attached great importance to the prevention and control of the outbreaks and made resolute decision to lead and unite the entire Chinese people in launching a people’s war,a total war and blocking actions against the epidemic.