Several factors influence the selection of a suitable precursor for butanal synthesis: Yield and Selectivity: The reaction should yield a high amount of butanal with minimal formation of byproducts.

Sept 22 (Reuters) - U.S. President Donald Trump imposed new fees on H-1B visas on Friday as part of his wide-ranging crackdown on immigration. Trump's executive order, which took effect at 12:01 a.m.

The H-1B nonimmigrant visa program was created to bring temporary workers into the United States to perform additive, high-skilled functions, but it has been deliberately exploited to replace, rather ...

A new analysis of federal data shows that several major U.S. employers increased their use of H-1B visas in 2025. The latest H-1B data reviewed by Newsweek shows that the biggest year-over-year gains ...

Following the death of her beloved father, a Cambridge academic decides to raise a goshawk in director Philippa Lowthorpe's adaptation of the bestselling memoir by Helen Macdonald. By Angie Han ...

A proposed Department of Homeland Security rule that would alter how H-1B visas are allocated has cleared review by the White House's Office of Information and Regulatory Affairs (OIRA), according to ...

Hydrogen is a growing yet controversial source of energy that some see as key to California’s ambitious climate goals. A new project in Vernon will be one of the largest hydrogen ...

This study presents a novel catalysis system utilizing single rare earth atoms (Tb, Ho, Gd, Er) doped into graphitic carbon nitride supported on Pt nanoparticles (GCN-RE-Pt) to enhance HOR kinetics in ...

Shorter tax credit deadlines proposed in Trump's tax bill would derail swathes of green hydrogen projects and severely curb hydrogen investment in the United States, industry experts warn. June 16 - ...

Herc Rentals acquired H&E Rentals for $5.3 billion, expanding its equipment rental business. The acquisition adds 613 locations to Herc's network and increases its projected 2024 revenue to $5.1 ...

This month we feature chemicals that have important applications in industry and the lab.—Ed. H 2 SO 4 has a wide range of uses. Most of it (≈60%) is consumed in extracting phosphoric acid from ...

ATLANTA--(BUSINESS WIRE)--Oldcastle APG, a CRH Company, has announced its acquisition of the bagged and bulk mulch and soil assets of H&H General Excavating. The addition of the mulch and soil assets ...