Results 41 to 50 of about 12,465,052 (282)

Extraction and isolation of dictamnine, obacunone and fraxinellone from Dictamnus dasycarpus Turcz. by supercritical fluid extraction and high-speed counter-current chromatography

open access: yesQuímica Nova, 2012
Supercritical fluid extraction was used to extract active compounds from the Chinese traditional medicinal D. dasycarpus under the pressure of 30 MPa and temperature of 45 ºC.
Daijie Wang   +6 more
doaj   +1 more source

The Combined Effect of Obesity and Contraceptive Use on Pulmonary Embolism in Adolescent Females Residing in the United States

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Combined oral contraceptive (COC) use in obese adult women dramatically increases the relative risk of developing a pulmonary embolism (PE). The risk of a PE in obese adolescent females taking contraceptives is currently unknown. The purpose of this investigation was to determine the effect of body mass index (BMI) and contraceptive
John Puetz, Joanne Salas
wiley   +1 more source

naslov

open access: yesActa Stomatologica Croatica, 2016
sazetak
test test
doaj  

Enhancement of Corrosion Resistance of a Biomedical Grade NiTi Shape Memory Alloy by Cyclic Potentiodynamic Polarization in PBS Solution

open access: yesInternational Journal of Electrochemical Science, 2016
In this work, corrosion resistance of the passive films formed on a biomedical grade NiTi shape memory alloy (SMA) surface in phosphate buffered saline (PBS) was improved using a simple linear cyclic potentiodynamic polarization technique.
Ming Chang   +8 more
doaj   +1 more source

Remaining Useful Life Prediction of Milling Tool Based on Pyramid CNN

open access: yesShock and Vibration, 2023
Remaining useful life prediction of a milling tool is one of the determinants in making scientific maintenance decision for the CNC machine tool. Predicting the RUL accurately can improve machining efficiency and the quality of product.
Ning Hu   +5 more
doaj   +1 more source

Nonlinear Aircraft Structure Load Model Based on Improved Support Vector Machine Regression

open access: yesHangkong gongcheng jinzhan, 2020
In order to carry out aircraft structural load safety monitoring and accumulate relevant structural load data for aircraft fatigue life assessment, it is necessary to establish aircraft structural load model related to flight parameters.
TANG Ning, BAI Xue
doaj   +1 more source

Just a Test [PDF]

open access: yes, 2018
An abstract abstract!An abstract ...
Test, Test
core  

Are Fertility Preservation Procedures Before Gonadotoxic Therapy and Hematopoietic Stem Cell Transplantation Feasible and Safe in Very Young Children? A Retrospective Cohort Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Fertility preservation (FP) is increasingly integrated into the care of pediatric patients exposed to gonadotoxic therapy or conditioning for hematopoietic stem cell transplantation (HSCT), yet perioperative data in infants and toddlers remain scarce.
Kerstin Saalabian   +13 more
wiley   +1 more source

Central Nervous System Neuroblastoma, FOXR2‐Activated: A Pooled Analysis of Published Clinical Outcomes

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) neuroblastoma, FOXR2‐activated, is a recently recognized entity in the WHO CNS5 classification, defined by activation of the FOXR2 transcription factor and unique histopathological features. This review synthesizes available literature and pooled clinical data, providing insight into demographics ...
Sudarshawn Damodharan   +1 more
wiley   +1 more source

Analysis of movable guide vane inversion and limited block dropping of hydropower plants [PDF]

open access: yesE3S Web of Conferences, 2019
The fracture signal of shear pin occurs in the process of short time load reduction of AGC. During the stop site inspection, it is found that the shear pin was broken, the guide vane limit block fell off, and the movable guide vane was reversed.
Li Wenbo   +5 more
doaj   +1 more source

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