The 1550 nm band semiconductor optical amplifier (SOA) has great potential for applications
such as optical communication. Its wide-gain bandwidth is helpful in expanding the …

Tunable semiconductor lasers have many important applications such as wavelength
division multiplexing, light detection and ranging, and gas detection. The increased interest in …

Carbon neutrality is a globally established research topic in wastewater treatment plants (WWTPs);
carbon-neutral operations of WWTPs have already started. Carbon neutrality refers to …

In this study, a combined alkaline (ALK) and ultrasonication (ULS) sludge lysis-cryptic
pretreatment and anoxic/oxic (AO) system (AO + ALK/ULS) was developed to enhance biological …

As an important indicator of terrestrial ecosystems, vegetation plays an important role in the
study of global or regional ecological environmental changes. Northern Shaanxi is located in …

The utilization of steel slag for CO 2 sequestration is an effective way to reduce carbon
emissions. The reactivity of steel slag in CO 2 sequestration depends mainly on material and …

Vegetation, being a core component of ecosystems, is known to be influenced by natural
and anthropogenic factors. Studying vegetation cover dynamics variation and its drivers is …

Soil moisture is a key component of global hydrological cycles and is closely linked to climate
and vegetation. However, exactly how vegetation affects the response of soil moisture to …

To curb soil erosion, the Grain-for-Green Project has been implemented in the Loess
Plateau region, and there have been few quantitative evaluations of the impact of ecological …

Wastewater treatment plants (WWTPs) are important and energy-intensive municipal
infrastructures. High energy consumption and relatively low operating performance are major …