[en] Highlights: • Evaporative cooling is efficient and energy-saving. • Cooling medium and complimentary medium. • Direct cooling and indirect cooling. • Enhanced evaporative cooling. -- Abstract: Evaporative cooling is a widely employed energy-saving cooling method. It has found applications in a variety of different areas such as HVAC, industrial process cooling, and personal microclimate cooling, as stand-alone cooling processes or in combination with conventional cooling technologies. Evaporative cooling could be classified into different categories such as air-mediated vs water-mediated evaporative cooling and direct vs indirect evaporative cooling. Evaporative cooling could be enhanced by means such as desiccants, membranes, and the combination of desiccants and membranes. This paper strives to provide a comprehensive review on the recent developments and applications of different enhanced evaporative cooling technologies.

[en] Graphical abstract: - Highlights: • g-C_3N_4/ZnWO_4 photocatalysts films were prepared by a simple way. • The films exhibited high photocatalytic performance in degrading phenol. • The polarization curves were used to determine the reducing oxygen. - Abstract: The films of photocatalysts have been widely used in decomposition in organic pollutants. In this study, ZnWO_4 and g-C_3N_4/ZnWO_4 photocatalysts were made into films. The samples were evidently investigated by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), UV–vis diffuse reflectance spectroscopy (DRS), field emission on scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray photo-electron spectroscopy (XPS), thermal gravimetric analysis (TGA), Brunauer–Emmett–Teller (BET) and electrochemical experiments. After modified by g-C_3N_4, the g-C_3N_4/ZnWO_4 films presented a significantly enhanced photocatalytic performance in degrading phenol under UV irradiation (about 2 times than pure ZnWO_4). In conclusion, it was g-C_3N_4 increasing the separation efficiency of photogenerated electron–hole pairs that contribute to the enhancement of photocatalytic performances. This work is of great value for preparation of photocatalysts films.

[en] This paper introduces the data transfer between MDC Electronics and DAQ system in BESIII, and it describes the design of a high speed read out circuit based on VME master device, which is used for data read out and transfer on VME bus, includes the PCB design and the implementation of FPGA program, the test method and the result are also provided. (authors)

[en] This paper introduces the data transfer between MDC Electronics and DAQ system in BESIII, and it describes a design of interface circuit based on VME master device, which is used for data read out and transfer on VME bus, include the PCB design and the implementation of FPGA programme, the test method and the result are also provided. (authors)

[en] Highlights: • Test rig of compressed air energy storage based on pneumatic motor is established. • Effects of key parameters on output performance of pneumatic motor are investigated. • Effects of key parameters on output performance of generator are studied. • Efficiency of generator, and the uncertainties of power output and efficiency are analyzed. Compressed air energy storage has garnered much attention due to its advantages of long lifespan, low cost and little environmental pollution, and pneumatic motor is equally so due to its advantages of low price, easy operation, and wide power range. In this paper, a small power generation energy storage test device based on pneumatic motor and compressed air is built. The effects of regulator valve pressure and electronic load current on temperature difference, pressure difference, expansion ratio, rotating speed, torque, power output of pneumatic motor, and efficiency of generator are studied by experiments. The experimental results show that the temperature difference, pressure difference and expansion ratio of pneumatic motor increase with the increase of regulator valve pressure and electronic load current. The power output of the pneumatic motor and the efficiency of generator increase at first and then decrease with the increase of the electronic load current, while the power of pneumatic motor and the efficiency of generator increase with the increase of regulator valve pressure. The maximum power output of the pneumatic motor is about 290.3 W, and the maximum efficiency of the generator is about 75.1%.

[en] This paper mainly introduces the design of SCD driving and data acquisition circuit, including how it works, the design of the circuit diagram and the FPGA's programme, the factual testing method and the result based on ⁵⁵Fe are also provided. (authors)

[en] Highlights: • ITGA6 and RPSA can promote the invasion and metastasis of pancreatic cancer. • ITGA6 and RPSA synergistically activate PI3K and MAPK signaling pathways. • Simultaneous targeting of ITGA6 and RPSA may better for treating pancreatic cancer. -- Abstract: Pancreatic cancer is one of the most malignant tumors. Invasion and metastasis can occur in the early stage of pancreatic cancer, contributing to the poor prognosis. Accordingly, in this study, we evaluated the molecular mechanisms underlying invasion and metastasis. Using mass spectrometry, we found that Integrin alpha 6 (ITGA6) was more highly expressed in a highly invasive pancreatic cancer cell line (PC-1.0) than in a less invasive cell line (PC-1). Through in vitro and in vivo experiments, we observed significant decreases in invasion and metastasis in pancreatic cancer cells after inhibiting ITGA6. Based on data in TCGA, high ITGA6 expression significantly predicted poor prognosis. By using Co-IP combined mass spectrometry, we found that ribosomal protein SA (RPSA), which was also highly expressed in PC-1.0, interacted with ITGA6. Similar to ITGA6, high RPSA expression promoted invasion and metastasis and indicated poor prognosis. Interestingly, although ITGA6 and RPSA interacted, they did not mutually regulate each other. ITGA6 and RPSA affected invasion and metastasis via the PI3K and MAPK signaling pathways, respectively. Inhibiting ITGA6 significantly reduced the expression of p-AKT, while inhibiting RPSA led to the downregulation of p-ERK1/2. Compared with the inhibition of ITGA6 or RPSA alone, the downregulation of both ITGA6 and RPSA weakened invasion and metastasis to a greater extent and led to the simultaneous downregulation of p-AKT and p-ERK1/2. Our research indicates that the development of drugs targeting both ITGA6 and RPSA may be an effective strategy for the treatment of pancreatic cancer.

[en] Highlights: • The 1:1 Sb₂O₃/WO₃ sensor shows fast response/recovery time (4 s/5 s). • Ex-situ XPS technique was used to characterize sensor. • The 1:1 Sb₂O₃/WO₃ sensor shows excellent selectivity to acetone. The preparation of fast, highly responsive and reliable gas sensing devices for the detection of acetone gas is considered to be a key challenge for the development of accurate disease diagnosis systems through exhaled respiratory gases. In the paper, yolk shell Sb₂O₃/WO₃ is synthesized and its gas sensing performance was studied by static test system. Special, the maximum response value of 1:1 Sb₂O₃/WO₃ yolk-shell (WO₃-1 YSL) sensor to 100 ppm acetone can reach as high as 50.0 at 200 ℃. And it also exhibits excellent response/recover time (4 s/5 s), low detection limit (2 ppm) and superior selectivity towards acetone. More importantly, in mixed selective gas test, the sensor shows high selectivity towards acetone. And the mechanism is analyzed by ex-situ XPS. The excellent gas-sensing performance can be attributed to unique yolk-shell structure, which facilitates the rapid transport of charge carriers from the surface to the bulk and provides more active sites for gas adsorption and desorption; the heterojunction between of Sb₂O₃ and WO₃, which promotes oxygen pre-adsorption on the surface and increasing the interfacial potential; the increased oxygen vacancies which allowing more chemisorbed oxygen to form.

[en] Highlights: • A novel hemostatic nanocomposite (OBC-PDA/PDA-MMT/Ag NPs) was prepared. • By grafting PDA onto OBC, the interaction between PDA-MMT and the material was enhanced, and the flexibility was improved. • The compound with catechol structure of dopamine can reduce the toxicity of silver nanoparticles. • The hemostatic sponge showed greater coagulation capacity, higher adherent platelets and lower blood loss. A novel hemostatic nanocomposite (OBC-PDA/PDA-MMT/Ag NPs) was prepared. As Functional hemostatic particles, hydrochloric acid modified montmorillonite coated with dopamine (PDA-MMT) doped into oxidized bacterial cellulose (OBC). In the presence of carboxyl and dopamine, silver ions (Ag⁺) were reduced into Ag nanoparticles (Ag NPs) distributed homogeneously on the matrix of PDA-MMT and OBC. Then, dopamine was grafted onto the oxidized bacterial cellulose under the crosslinking effect of 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC). After dopamine was grafted onto the oxidized bacterial cellulose, the interaction between PDA-MMT and the whole material was enhanced, and the flexibility was also improved. OBC-PDA/PDA-MMT/Ag NPs hemostatic sponge have appropriate mechanical strength, broad-spectrum antibacterial properties and excellent biodegradability. The hemostatic sponge with addition of PDA-MMT and Ag NPs is expected to provide functional properties such as rapid hemostasis, bacteriostasis and wound healing. In addition, the hemostatic effect of the compound was confirmed in vivo. The hemostatic sponge showed greater coagulation capacity, higher adherent red blood cells and platelets, and lower blood loss. The results show that hemostatic sponge is a rapid and effective coagulant with good antibacterial properties.

[en] When the underground coal mine gob area has been sealed due to the coal spontaneous combustion, under the low oxygen and potentially high temperature environment, the CO concentration could drop sharply and disappear quickly. But it could rise rapidly after re-opening. These indicate that the disappearance is the only index for coal burnt out. In order to find a way how let CO disappear, experiments have been conducted using the newly developed experiment setup for three samples, raw, watered and bacteria-free coal sample. The CO and CO₂ concentration have been monitored and analyzed. The results show the bacteria in the coal do consume CO and increase the chance of CO transfer to CO₂. These results reveal how let CO disappear in a sealed zone from a new aspect. And the accuracy was improved when used gas index to determine combustion status for coal spontaneous combustion. (paper)