Chinese Science Bulletin

When it comes to breakdown issues, Complementary Metal Oxide Semiconductor based class-E power amplifier with a cascode architecture offer excellent reliability. In a cascode setup, a charging acceleration mechanism is included between a common-gate device's drain and source to lessen the power loss of cascode class-E power amplifier. Charge acceleration minimizes the device's power loss by promptly shutting off a common-gate device when a common-source device is switched off. At 28 GHz, the suggested cascode class-E PA with Class D as the preamplifier performs with a maximum saturated outpu

Strategic human resource (HR) metrics, such as employee engagement, training effectiveness, turnover rates, and recruitment efficiency, have been recognized as key drivers of organizational performance. However, limited empirical evidence exists on their direct financial impact, particularly on Economic Value Added (EVA) in the service sector. This study aimed to quantitatively evaluate the relationship between selected HR metrics and EVA, thereby providing insights into the economic returns of strategic HR practices. A quantitative research design was employed, using secondary financial and H

This study examined the impact of leadership styles on teacher performance and student outcomes in secondary schools in the Philippines. Data were collected from 28 school leaders, 84 teachers, and student performance records of 110 learners across both public and private institutions, withrespondents distributed across urban and rural contexts. Leadership styles were measured using the Multifactor Leadership Questionnaire (MLQ), teacher performance was assessed through the Teacher Performance Appraisal Scale, and student outcomes were analyzed using achievement scores and engagement surveys.

Prenatal diagnosis is the identification of the chromosomal abnormalities has undergone a number of changes in the last few years. Irrespective of the healthcare system, in prenatal medicine, the advantages and disadvantages of chromosomal abnormalities must be comprehended. This is because chromosomes are found in the nucleus of cells that performs as a carrier of genetic information. Several machine learning and deep learning techniques has been explored in the recent past to establish prediction models and the challenges to assess chromosomal abnormalities. Despite the advantages that machi

Acute myeloid leukaemia (AML) is one of the most prevalent types among patients in many regions and countries. Some laboratory diagnostic and biomarkers can be used to diagnose and follow up on AML cases and their exacerbation. In some cases, AML may be linked with a decrease in vitamin B12 levels (pg/mL). This study investigates the correlation between vitamin B12 deficiency and the exacerbation of diagnostic markers in AML patients. A retrospective study was conducted to collect demographic and clinical outcomes data for patients who have histologically confirmed diagnoses with AML and met s