This study aimed at optimizing horizontal subsurface flow constructed wetlands (CWs) to improve hydraulic performance and pollutant removal efficiency. A groundwater modeling package (MODFLOW) was used to optimize three design parameters (length-to-width ratio, inlet/outlet-to-length ratio, and substrate size configuration). Using the optimized parameters, three pilot-scale CWs were built to tr...

The paper is based on the experience of the author with the FreeBSD server operating system administration on three servers in use under academicdirect.ro domain. The paper describes a set of installation, preparation, and administration aspects of a FreeBSD server. First issue of the paper is the installation procedure of FreeBSD operating system on i386 computer architecture. Discussed proble...

The pre-conceptual layout for an electron cyclotron system (ECS) in DEMO is described. present ECS considers only equatorial ports both plasma heating and neoclassical tearing mode (NTM) control. This differs from ITER, where four launchers upper oblique are dedicated to NTM control one EC port current drive (H&CD) purposes as basic configuration. Rather than ports, has vertical allow the remov...

the present research has been done with the aim of determine the relationship between intellectual capital and employee performance of ports and maritime organization. statistical population of the present study includes head office employees of tehran ports and maritime organization. the statistical population is 140 people, 103 samples were selected according to morgan table. in this research...

Twisted atrioventricular connections occur almost exclusively in the hearts with biventricular atrioventricular connections. Only one example of double inlet left ventricle has been illustrated in which the axes of the two atrioventricular valves crossed each other. We describe herein three patients, and one autopsied specimen, with double inlet right ventricle in which magnetic resonance imagi...

This report describes our work detailing the operation and performance of TCP-based transport protocols (Reno, BIC, and CTCP) on “Layer-1” circuits, in which a Gigabit Ethernet port on an end host has been directly mapped to a SONET circuit of lower rate (e.g., a 155 Mbps OC3). The switch uses IEEE 802.3x flow control to prevent the sender from overwhelming the switch’s buffer. Current equipmen...

A compact, fast-response Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for measurements of ammonia (NH3) has been evaluated under both laboratory and field conditions. Absorption of radiation from a pulsed, thermoelectrically cooled QC laser occurs at reduced pressure in a 0.5 L multiple pass absorption cell with an effective path length of 76 m. Detect...

World trade has changed in the last decade such that container traffic flows are oriented towards more parts of the European continent. The European container port system is not a homogeneous set of ports; instead it consists of several big ports (e.g., Rotterdam, Hamburg, Algeciras...) and a large number of medium and small ports. Northern Adriatic (NA) ports, namely Rijeka, Koper, Trieste, Ve...

A biofuel from any biodegradable formation process such as a food waste bio-digester plant is a mixture of several gases such as methane (CH4), carbon dioxide (CO2), hydrogen sulfide (H2S), ammonia (NH3) and impurities like water and dust particles. The results are reported of a parametric study of the process of separation of methane, which is the most important gas in the mixture and usable a...