Miracle-dz/UniFAR-FTUs huggingface dataset:
Management Control and Construction Efficiency

Analysis of data from three construction sites has indicated a positive relationship at low levels of management control between the time spent by management supervising an activity and the resulting productivity. Work rates were calculated from site bonus sheets for the activities of concreting, formwork and bricklaying. The time spent in supervising an activity was assumed to be proportioned to the productive hours spent in its execution. The quality of available data was extremely low. A management control index was defined as the ratio of the hours spent supervising an activity to the number of hours worked by the laborers in the appropriate trade. A linear relationship between control index and work rate was assumed. The results of linear regression analyses on 26 sets of data are presented. In 24 cases, the gradients are positive. It is necessary to generate better quality data before the relationship can be conclusively proved. Further research is required before predictions of the optimum level of management control on construction sites can reliably be made.
Language use on twitter among Malaysian L2 speakers / Noor Aqsa Nabila bt Mat Isa

Twitter, being a mode of computer-mediated communication (CMC), has portrayed an interesting language use in the medium given that it has a 140 character limitation. In this study, the impact of this limitation on language use has been investigated with distinctive attention to its linguistic features as well as the shortening strategies employed by Malaysian Twitter users. Two frameworks were used to analyse the features and the strategies; (1) the linguistic features of short texts (Ling and Baron, 2007) and (2) shortening strategies (Dabrowska, 2011). The author presents the findings by means of qualitative and quantitative analysis that show the frequency of linguistic features categorized into three areas; (1) emoticons and lexical shortenings, (2) sentence punctuation and (3) length. Shortening strategies include occurrences of clipping and contractions, deletion of vowels, non-standard spelling, word-letter substitutions, deletion of apostrophe and also deletion of pronouns and auxiliaries. The perceptions given by the participants on the language use in Twitter specifically on the creativity and clarity of tweets within the limited space are also analysed. The results show that the frequencies calculated for the features and strategies were relatively small on the whole; however, they have revealed gender differences in the language use. Furthermore, the present study confirms that language is neither deteriorating nor are users less efficient to convey their message clearly and successfully. It is hoped that this study will provide a better understanding of the phenomenon of language use on Twitter by Malaysian users. Keywords: computer-mediated communication, Twitter, character limitation, linguistic features, shortening strategies, gender differences, perceptions
A Structural Equation Model of Depression Risk in Young Women With a History of Child Sexual Abuse

This study aimed to propose and empirically test a model of the role of beliefs and emotions, self-destructive coping, and anxious attachment in the etiology of depression among a sample of 217 female survivors of child sexual abuse. The structural equation model showed a direct path from feelings of betrayal, self-destructive coping, and major anxious attachment to depression. The model also showed an indirect path (via self-destructive coping and anxious attachment) from feelings of powerlessness—particularly self-blame/stigma—to depression. The present results confirmed the existence of an explanatory model of depression risk in young adult women.
Spectral efficiency of CDMA based ad-hoc networks

Spectrum efficiency and energy efficiency are two important attributes driving innovation in wireless communication. Efficient spectrum utilization and sharing with multiple access techniques and using under-utilized spectra by cognitive radios is the current focus due to the scarcity and cost of the available radio spectrum. Energy efficiency to increase operating time of portable handheld devices like smartphones that handle simultaneous voice/video streaming and web browsing and battery powered nodes in a sensor network where battery capacity determines the lifetime of the network is another area attracting researchers. The focus of this thesis is the spectral efficiency of multicarrier code division multiple access (CDMA) in wireless ad-hoc networks. Furthermore, energy efficiency to maximize lifetime of a network are also studied.In a multicarrier CDMA system inter-carrier interference (ICI) due to carrier frequency offset and multiple access interference (MAI) are two major factors that deteriorate the performance. Previous work in this area has been mostly focused on simulation results due to the complexity of the analysis due to the large number of random variables involved. Taking into account accurate statistical models for ICI and MAI that account for the correlation between adjacent subcarriers, this thesis presents new mathematical analysis for the spectral efficiency of multicarrier CDMA communication systems over a frequency selective Rayleigh fading environment. We analyze and compare three multicarrier CDMA schemes which are multicarrier CDMA, multicarrier direct-sequence CDMA and multitone CDMA. We also present simulation results to confirm the validity of our analysis. We also analyze the performance of three simple multiple access techniques or coexistence etiquettes in detail, which are simple to implement and do not require any central control. Accurate interference models are developed and are used to derive accurate expressions for packet error rates in the case of direct sequence CDMA and slotted packet transmission schemes. These results are then used to study the performance of the coexistence etiquettes and compare them with each other. Finally we present a new joint node selection and power allocation strategy that increases lifetime of an ad-hoc network where nodes cooperate to enable diversity in transmission.
Transient engine model for calibration using two-stage regression approach

Engine mapping is the process of empirically modelling engine behaviour as a function of adjustable engine parameters, predicting the output of the engine. The aim is to calibrate the electronic engine controller to meet decreasing emission requirements and increasing fuel economy demands. Modern engines have an increasing number of control parameters that are having a dramatic impact on time and e ort required to obtain optimal engine calibrations. These are further complicated due to transient engine operating mode. A new model-based transient calibration method has been built on the application of hierarchical statistical modelling methods, and analysis of repeated experiments for the application of engine mapping. The methodology is based on two-stage regression approach, which organise the engine data for the mapping process in sweeps. The introduction of time-dependent covariates in the hierarchy of the modelling led to the development of a new approach for the problem of transient engine calibration. This new approach for transient engine modelling is analysed using a small designed data set for a throttle body inferred air ow phenomenon. The data collection for the model was performed on a transient engine test bed as a part of this work, with sophisticated software and hardware installed on it. Models and their associated experimental design protocols have been identi ed that permits the models capable of accurately predicting the desired response features over the whole region of operability. Further, during the course of the work, the utility of multi-layer perceptron (MLP) neural network based model for the multi-covariate case has been demonstrated. The MLP neural network performs slightly better than the radial basis function (RBF) model. The basis of this comparison is made on assessing relevant model selection criteria, as well as internal and external validation ts. Finally, the general ability of the model was demonstrated through the implementation of this methodology for use in the calibration process, for populating the electronic engine control module lookup tables.
Association of Genetic Variants in TPMT, ITPA, NUDT15 With Azathioprine-Induced Myelosuppression in Southwest China Patients With Autoimmune Hepatitis

Aims: To investigate the influence of TPMT*3C, ITPA, NUDT15, and 6-thioguanine nucleotides (6-TGN) on AZA-induced myelosuppression in Southwest China AIH patients. Methods: A total of 113 Chinese AIH patients with AZA maintenance treatment were evaluated. Collect the relevant clinical data of patients from the hospital information system. TPMT*3C(rs1142345), ITPA(rs1127354) and NUDT15(rs116855232) genotyping was detected by TaqMan double fluorescent probe. The concentration of 6-TGN was determined using UPLC-MS/MS method. Results: 40 (35.4%) patients had different degrees of myelosuppression. The NUDT15 variant was associated with leukopenia (P=8.26X10-7; OR=7.5; 95% CI, 3.08–18.3) and neutropenia (P=3.54X10-6; OR=8.05; 95% CI, 2.96–21.9). However, no significant association was observed for TPMT*3C and ITPA variants (P>0.05). There was no significant difference of 6-TGN concentration between patients with or without myelosuppression (P= 0.556), and no association was found in patients with TPMT*3C, ITPA, NUDT15 variants alleles (P>0.05). However, we found that the body mass index may affect the corrected 6-TGN level (P=0.026). Conclusion: Our study once again confirmed that NUDT15 variants are a potential independent risk predictor for AZA-induced leukopenia and neutropenia. Also, we found that the detection of 6-TGN concentration in red blood cells does not reflect AZA treatment's efficacy and toxicity. New biomarkers for AZA therapeutic drug monitoring need further research to explore.
Combined Analysis of the Aberrant Epigenetic Alteration of Colorectal Cancer

BackgroundColorectal cancer (CRC) is the third most common cancer which could be classified as colon adenocarcinoma (COAD) and rectum adenocarcinoma (READ) mainly. Accumulating evidence indicatedmethylations are involved in multiple tumors.MethodsTo know the effect of abnormal methylation in COAD, READ and CRC, we downloaded methylation and mRNA data of COAD and READ from The Cancer Genome Atlas (TCGA) database. And then, we used DESeq2, ChAMP, DAVID 6.8, Cytoscape_3. 7.2 and Correlation analysis to identify the potential biomarkers.ResultsWe obtain 12 potential biomarkers (APBB1, CDC42SE2, EIF4E3, FBXO17, FES, GNPNAT1, HSPA1A, OSBPL3, RORC, SALL1, SPEG, and TCF7L1) directly associated with the pathologic TNM of COAD maybe regulated by 28 differential methylations; 2 potential biomarkers (AQP1 and HOXA3) directly associated with pathologic NM maybe regulated by 8 differential methylations; and 15 potential biomarkers (ADAMTSL3, ANXA9, APBB1, AQP1, C2CD4A, CLIP3, DNAJC15, EIF4E3, FAM160A1, GNG4, HLX, HSPA1A, LAYN, NR3C2, and SYT1)directly associated with the pathologic TNM of COAD maybe regulated by 29 differential methylations. Furthermore, weconstruct the network of differential methylation and differential expression genes. In addition, we also obtain 1 methylation (cg18149207), 2 methylations (cg02000808 and cg21134232) and 2 methylations (cg04408595 and cg19413725) associated with the overall survival.ConclusionOur results provide an analysis of theoretical knowledge and clinical outcomes, but more researches are needed to confirm our findings.
Construction Planning for Linear Projects

A method is proposed for planning the construction process for a linear project consisting of a series of production lines, each of which comprises a series of sequential activities (e.g., pipelines, roads, bridges, etc.). The method is based on an input including labor requirement for each activity and the feasible crew sizes for each production line. Dynamic programming is used for determination of the quantity of resources (therefore also activity durations) per line and the start time of each activity, with a view to work continuity within the line and to minimum overall project duration.
The Effects of Performance Management on the Operational Sales Results of a Bank

An increasing number of organizations are implementing performance management (PM), consisting of critical success factors and key performance indicators, in order to obtain better organizational results. Despite the experience gained with PM, there is little solid evidence of the actual effects performance management has on the quantitative results of organizations, most research seems to focus on the qualitative effects of PM. This article describes the results of a study that explored the impact of PM on the quantitative operational sales results of a division of a bank. Quantitative performance data of the division, before and after the introduction of the PM, was collected and matched with key events, both related and unrelated to PM implementation and use. The research showed that the PM related key events had a significant and lasting positive impact on the quantitative results of the division, while the non-related key events did not.
The forest management planning package: theory and application

The Forest Management Planning Package represents a general fundamental structure of a forest management planning system based on two inventory phases. It is an existing calculation system used in practical forestry in Sweden. The Forest Management Planning Package integrates economic theory, objective inventory measurements and accurate growth forecasts. The core of the system is a chain of models depicting the production possibilities of a forest holding. Detailed growth forecasts and economic calculations with high resolution (individual trees) permit analysis of various silvicultural treatment options in all types of Swedish stands. A non-linear objective function and mathematical optimization result in a compromise between maximum net present value and sustained net-revenue profile. Application of the system contributes to a much improved economic result through the removal of uncertainties concerning the real production possibilities and it has significantly altered the management strategies of the forest companies that have implemented it.
The challenge of managing severe delirium: an observational study of the effects of pharmacological and supportive care on delirium duration and resolution in 602 patients

Background: Delirium is the most common neuropsychiatric disorder seen in hospitalised patients. Current guidelines recommend only using antipsychotics with distressed patients. Nonetheless, in routine clinical practice, multiple psychotropics are commonly administered. More evidence on the short-term benefits of various management approaches in patients with delirium is required. Methods: In this observational cohort study, 602 delirious patients were followed for twenty days. Supportive care was provided to all patients in addition to either no psychotropic therapy, monotherapy, dual therapy, or polytherapy defined as three or more psychotropic drugs. The effectiveness of interventions regarding delirium resolution and symptom severity was determined by Cox proportional hazards regression and generalized estimating equation models. Results: Psychotropics were commonly used to manage delirium. In total, 12.1% of patients received polytherapy, 37.2% dual therapy, 37.7% monotherapy, and 12.1% supportive care alone (i.e., almost half of the patients received ≥ two psychotropics). Patients who received polytherapy had higher initial baseline delirium severity and exposed the mixed subtype more often; with the latter delirium lasted longer and recovery was less frequent than in mild delirium. Providing supportive care alone in mild delirium was superior to all psychotropic approaches. Conclusions: In routine clinical practice, the use of multiple psychotropics is common. In our study, however, despite combined supportive management and polypharmacy, patients with severe delirium suffer longer from delirium and have lower resolution rates. For the management of patients with mild delirium supportive care alone can be considered. When psychotropics are considered, single psychotropics and dose optimisation are recommended. These findings underline the challenge of managing severe delirium.
WAVE CHARACTERISTICS OF WATER-SURFACE PLANING HULL FORM

This paper describes a method for predicting the hydrodynamic characteristics of a high speed planing hull form using a linear water- wave theory based on the Neumann-Kelvin approach. The method numerically solves the source density distribution on the bottom hull, in which the computational method of calculating the wave Green function is based on an approach using complex exponential integral formula. The computation is applied to a wedge shape planing hull form. The results of pressure distribution, pressure resistance, and wave resistance are in good agreement with the measured data already obtained.
6. The Art Of Truck Modding On The Nile (Sudan): An Attempt To Trace Creativity

This chapter explores what Africa did to the motor vehicle and truck modding on the Nile. It shows the final product of the craft, the thoroughly appropriated vehicle once called a Bedford TJ and now known under its Sudanese name of sifinja, which was originally designed by Bedford's engineers at Luton and has since been redesigned collectively by a chain of Sudanese craftsmen. It also shows the unequal twins, in the foreground is a tipper lorry used for local construction work that is close to the Luton version and in the background is the thoroughly modified long-distance Sudanese version. The chapter illustrates the truck in a half-finished state, still without wings and bodywork and with only part of the original driver's cabin. Keywords: Africa; Bedford TJ; motor vehicle; Nile; Sudanese craftsmen; truck modding
Evaluation and Recommended Improvements for Mix Design of Permeable Friction Courses

This project focuses on the improvement of the mix design and the development of guidelines for construction and maintenance of permeable friction courses (PFC). The study started with an information search documented in Technical Report 0-5262-1 that summarizes information from a worldwide literature review and Texas Department of Transportation (TxDOT) district interviews focused on performance, maintenance, and construction of PFC. The information gathered was used to define an experimental design directed to evaluate four main aspects of PFC mix design: volumetrics, functionality (or drainability), durability, and aging. These aspects were evaluated for mixtures fabricated with both TxDOT asphalt types: PG-76-22 and asphalt rubber. Dimensional analysis and calculation of the theoretical maximum specific gravity of the mixture were recommended for evaluating total air voids (AV) content and water accessible AV content. The computation of water accessible AV was suggested for future application in design and performance evaluations. In addition, the density specification was modified (from 78-82 percent to 76-80 percent) to ensure adequate drainability. Field evaluation of drainability during construction was recommended to ensure adequate initial functionality properties in terms of permeability. For durability, the draindown test and the Cantabro loss test (conducted in both dry and wet conditions) were recommended. In addition, density requirements for field compaction were suggested to improve the control of functionality and durability. Technical Report 0-5262-2 constitutes the second interim report and documents construction and maintenance guidelines for PFC.
Reducing Residual Drift in Buckling-Restrained Braced Frames by Using Gravity Columns as Part of a Dual System

Reducing Residual Drift in Buckling-Restrained Braced Frames by Using Gravity Columns as Part of a Dual System Megan Boston Department of Civil and Environmental Engineering, BYU Master of Science Severe earthquakes cause damage to buildings. One measure of damage is the residual drift. Large residual drifts suggest expensive repairs and could lead to complete loss of the building. As such, research has been conducted on how to reduce the residual drift. Recent research has focused on self-centering frames and dual systems, both of which increase the post-yield stiffness of the building during and after an earthquake. Self-centering systems have yet to be adopted into standard practice but dual systems are used regularly. Dual systems in steel buildings typically combine two types of traditional lateral force resisting systems such as bucking restrained braced frames (BRBFs) and moment resisting frames (MRFs). However, the cost of making the moment connections for the MRFs can make dual systems costly. An alternative to MRFs is to use gravity columns as the secondary system in a dual system. The gravity columns can be used to help resist the lateral loads and limit the residual drifts if the lateral stiffness of the gravity columns can be activated. By restraining the displacement of the gravity columns, the stiffness of the columns adds to the stiffness of the brace frame, thus engaging the lateral stiffness of the gravity columns. Three methods of engaging the stiffness of the gravity columns are investigated in this thesis; one, fixed ground connections, two, a heavy elastic brace in the top story, and three, a heavy elastic brace in the middle bay. Single and multiple degree of freedom models were analyzed to determine if gravity columns can be effective in reducing residual drift. In the single degree of freedom system (SDOF) models, the brace size was varied to get a range of periods. The column size was varied based on a predetermined range of post-yield stiffness to determine if the residual drift decreased with higher post-yield stiffness. Three and five story models were analyzed with a variety of brace and column sizes and with three different configurations to activate the gravity columns. Using gravity columns as part of a dual system decreases the residual drift in buildings. The results from the SDOF system show that the residual drift decreased with increased post-yield stiffness. The three and five story models showed similar results with less residual drift when larger columns were used. Further, the models with a heavy gravity column in the top story had the best results.