Results 41 to 50 of about 11,707,174 (304)

Arsenic phase distribution in Zimapán mine tailings, Mexico [PDF]

open access: yesGeofísica Internacional, 2003
En Zimapán, México, se ha contaminado el agua subterránea con arsénico debido a fuentes naturales y antropogénicas. La lixiviación de los jales mineros ha sido una de las fuentes debidas a la actividad humana.
M. Méndez, M. A. Armienta
doaj   +2 more sources

Abatacept for Prophylaxis of Acute and Chronic Graft‐Versus‐Host‐Disease in Children Undergoing Allogeneic Hematopoietic Stem Cell Transplantation—A Systematic Review and Meta‐Analysis of Cohort Studies

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Graft‐versus‐host disease (GvHD) remains one of the most significant complications of hematopoietic stem cell transplantation (HSCT). Abatacept, a selective T‐cell costimulation modulator, is a relatively novel prophylactic agent, though pediatric data remain limited.
Matthijs D. Kruizinga   +3 more
wiley   +1 more source

Bone and Soft Tissue Neoplasms in Infants Versus Older Children: A Report From the Cancer in Young People in Canada Program

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background and Aims Infant bone and soft tissue neoplasms present distinct clinical challenges and lack large‐scale data to inform treatment decisions. This study aims to characterize bone and soft tissue neoplasms in infants in Canada and to compare their outcomes with those of older pediatric patients.
Samuel Sassine   +21 more
wiley   +1 more source

Distributed-phase OCDMA encoder-decoders based on fiber Bragg gratings

open access: yes, 2007
We propose and demonstrate new optical code-division multiple-access (OCDMA) encoder-decoders having a continuous phase-distribution. With the same spatial refractive index distribution as the reconfigurable optical phase encoder-decoders, they are ...
Ibsen, M.   +9 more
core   +1 more source

Impact of Initial Treatment Setting on Survival in Relapsed Pediatric and AYA Bone Sarcomas: A Secondary Analysis of a Prospective Clinical Trial

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Outcomes in relapsed or refractory pediatric and AYA bone sarcomas remain poor, and the impact of early referral to specialized sarcoma centers on survival is unclear. Early centralization of care may improve local and systemic treatment quality, but evidence in this population is limited.
Justyna Antoniuk‐Majchrzak   +9 more
wiley   +1 more source

Measurement and Visualization of R410A Distribution in the Vertical Header of the Microchannel Heat Exchanger [PDF]

open access: yes, 2012
This paper presents the refrigerant adiabatic upward flow in the vertical header of microchannel heat exchanger and its effect on distribution. R410A is circulated into the header through the microchannel tubes (5 or 10 tubes) in the bottom pass and ...
Zou, Yang, Hrnjak, Predrag S.
core  

Phase-decoupled method for three-phase power-flow analysis of unbalanced distribution systems

open access: yes, 2015
This paper presents a three-phase power-flow solution method for unbalanced distribution networks, in which each phase is modelled in a decoupled way and therefore can be solved independently.
Morelato, A, Vieira, JCM, Freitas, W
core   +1 more source

2D Halide Perovskite Phase Formation Dynamics and Their Regulation by Co‐Additives for Efficient Solar Cells

open access: yesAdvanced Materials Interfaces
The incorporation of large organic ammonium ions renders the crystallization dynamics and layer formation process of halide perovskites complex, difficult to control, and leads to problems of suppressed charge transport with the formation of tiny‐sized ...
Min Liu   +5 more
doaj   +1 more source

Three-dimensional surface wave measurement system

open access: yesThe Journal of Engineering, 2019
This study presents a three-dimensional near-field measurement system to measure surface waves using LabVIEW. The system is based on the capacitive coupling between metasurface and the electric probe, which is optimised to increase signal-matching ...
Gantao Peng   +6 more
doaj   +1 more source

The Impact of Tenapanor on Body Composition and Blood Pressure in Peritoneal Dialysis Patients: A Pilot Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Instruction Tenapanor potentially affects fluid volume and blood pressure. This study explored its effects on these parameters in patients undergoing peritoneal dialysis (PD). Methods We conducted a single‐arm, prospective observational study that enrolled 10 patients on PD with hyperphosphatemia who were newly initiated on tenapanor.
Shun Yoshida   +11 more
wiley   +1 more source

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