Pengaruh Kompensasi dan Lingkungan Kerja Terhadap Kinerja Karyawan pada PT. Enseval Putera Megatrading cabang Pekanbaru menurut Perspektif Ekonomi Syariah

This research is motivated by the ups and downs in the quality of employee performance at PT Enseval Putera Megatrading Pekanbaru Branch from 2020 to 2022. Based on the formulation of the problems that have been made, this study aims to determine the effect of compensation and work environment on employee performance at PT Enseval Putera Megatrading Pekanbaru Branch This research is a type of quantitative research. The sample used in this study were employees of PT Enseval Putera Megatrading Pekanbaru Branch as many as approximately 52 people. Sampling technique by means of Simple Random Sampling. With data collection through observation, interviews, questionnaires and literature studies. The analysis technique in this study uses Multiple Linear Regression Analysis. This study uses multiple linear regression with the help of the SPSS Ver program. 21.00. The results of this study, compensation has a positive effect on employee performance. This is evident from the results of the t test which obtained t count X1 greater than t table, namely the value of t count (7.467) greater than t table (2.010) accepted at a significance level of 5%. The work environment has a positive effect on employee performance. This is evident from the results of the t test which obtained the t count X2 greater than the t table, namely the t value (7.484) greater than the t table (2.010), accepted at the 5% significance level. Compensation and work environment together have a positive effect on employee performance. This is evident from the results of the F test which shows the results of the F count of (415.672) greater than the F table of (3.19) accepted at the 5% significance level. Islamic economic review of the effect of compensation and work environment on employee performance at PT Enseval Putera Megatrading Pekanbaru branch can be categorized as sharia based on ijarah contract.

Biomechanics of the Spermatozoa Transport Through the Human Cervical Canal

In this thesis mathematical models of the spermatozoa transport through the Newtonian, Jeffrey and couple stress fluids filled in the cervical canal are developed and investigated theoretically. Modeling of the biomechanical model provides the partial differentials equations and the subsequent equations are solved analytically. Physical quantities like pressure gradient, mucus velocity, propulsive velocity, time mean flow rate, mucus temperature and heat transfer coefficients are examined for the appurtenant parameters. Salientfeaturesofthepumpingcharacteristicsareobserved. Itisnoticedthatthepropulsive velocity of the swimming sheet of the spermatozoa enhances for higher Reynolds number, lower Froude number, and vertical canal. It is intriguing to take note of that, maximal slippage on the upper cervical wall and zero slippage on the lower cervical wall amplify the probability of the spermatozoa to prepare a fertilized ovum. It is found that pressure rise facilitates the motion of spermatozoa to fertilize an ovum in the female reproductive tract whereas pressure drop inverts the direction of spermatozoa to the vagina and controls the probability of pregnancy. It is clear that the inclusion of porous medium lessens the propulsive velocity of the spermatozoa. Minute impact of phase difference on propulsive velocity is evident. The spermatozoa attain their maximum propulsive velocity for nonporous cervical walls. An increment in slip parameter and Reynolds number cause enhancement in the propulsive velocity of the spermatozoa. Effects of constant, linear, sinusoidal, logarithmic and exponential secreting velocities on propulsive velocity are also explored. Furthermore,comparisonofthepropulsivevelocityofnon-Newtonianfluidwith the propulsive velocity of Newtonian fluid is made. Comparison of the current analysis with the existing literature and experimental data is also made.