Forklift trucks can be divided into many types according to different classification methods. The following are the common types: Including internal combustion engine, electric and manual forklifts Shandong Nuoman Engineering Machinery Co., Ltd , https://www.chinanuoman.com
Internal combustion forklift: Internal combustion forklift uses an internal combustion engine as the engine, usually using diesel, gasoline or other fuels as energy. This kind of forklift has high load-bearing capacity and climbing ability, and is suitable for working on uneven terrain and harsh environments.
Electric Forklift: Electric forklift uses batteries or other secondary energy as energy source. It has the advantages of no noise and no waste gas emissions. It is suitable for working indoors and in environments that require silence.
Warehousing forklift: Warehouse forklift is specially used for handling goods inside the warehouse. It is usually driven by an electric motor and has the advantages of compactness, flexibility, light weight and good environmental performance.
Stacking forklift: Stacking forklift, also known as palletizing forklift, is used for loading and unloading, stacking, stacking and short-distance transportation of palletized goods.
Counterbalanced forklift: Counterbalanced forklift has a large load-bearing capacity and stability and is usually used to transport heavy goods.
Reach trucks: Reach trucks have longer forks and a smaller turning radius, making them ideal for cargo handling in tight spaces.
Pick-to-order forklifts: Pick-to-order forklifts offer high operational efficiency and flexibility, and are suitable for picking and moving goods on low-height racks.
Off-road forklift truck: off-road forklift truck has good off-road performance and carrying capacity, and is suitable for working on rough terrain.
Heavy-duty forklift truck: Heavy-duty forklift truck has a large carrying capacity and handling capacity, and is usually used to carry heavy goods or perform heavy-duty operations.
According to different purposes and working environments, you can choose the appropriate type of forklift truck. Different types of forklift trucks have different characteristics and scope of application, and the operator needs to choose a suitable forklift truck for operation according to the actual situation.
In a significant breakthrough, researchers at Fudan University's Department of Polymer Science have developed an innovative approach for three-dimensional ratio-type fluorescent probes. Led by Professor Zhu Liangliang, the team introduced a method that combines single-molecule fluorescence and delayed fluorescent emission to enhance sensing accuracy. This research was recently published in *Nature Communications* on February 13th.
The new technique leverages both fluorescence (FL) and thermally activated delayed fluorescence (TADF) within a single molecule, offering a more reliable way to detect environmental changes. Traditional fluorescent probes often face challenges due to external interferences such as variations in probe concentration or fluid properties. These issues can lead to inaccurate readings. While dual-emission fluorescence has been used for self-calibration, it still faces limitations when dealing with background fluorescence from surrounding materials.
Zhu’s team overcame these obstacles by designing a system where TADF serves as the sensing signal, responding to changes in the environment's polarity through shifts in its emission wavelength and lifetime. Meanwhile, FL acts as an internal reference, remaining constant regardless of environmental conditions. This combination allows for a three-dimensional analysis system—environmental polarity (X-axis), ratio wavelength (Y-axis), and ratio lifetime (Z-axis)—which significantly reduces measurement errors and improves detection accuracy compared to conventional two-dimensional methods.
Li Xuping, a Ph.D. student at Fudan University, is the first author of the study. Theoretical support was provided by the Royal Institute of Technology (KTH) and Zhejiang University's Polymer Science Department. The research has also been patented under CN2018100470946.
Professor Zhu Liangliang focuses on the development of responsive functional materials, particularly exploring the luminescent behavior and molecular mechanisms behind self-assembly and stimulus-response systems. His work opens up new possibilities for precise sensing in complex environments, especially in the study of membrane-related diseases.
This advancement marks a major step forward in the field of fluorescent sensing, offering a more robust and accurate tool for chemical and biological applications.