4.真空泵 流量8m3/h，极限真空度≤2x10-1pa。可手动或通过PLC启动，流量8m3/h，可对过渡舱抽真空， 并保持箱体压力平衡，真空泵 ...

本研究揭示了活性氧物种(ROS)在美洲黑杨木质部发育中的关键作用。研究人员通过对比分析速生型(Wimco-109)和慢生型(Wimco-83)克隆株系发现，超氧阴离子(O2??)促进生长而H2O2导致木质化增强。研究证实NADPH氧化酶(NOX)活性差异调控ROS平衡，为造纸工业选育低木质素材料 ...

针对甲烷（CH4）温和条件下高效转化为高附加值C2+烃的挑战，研究人员系统探究了Au/ZnO和Ag/ZnO在H2O/O2共进料条件下的光催化 ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Abstract: To guide the process optimization of HfO2-based ferroelectric (FE) devices, the effects of oxidants (O3/H2O) during atomic layer deposition (ALD) process of Hf0.5Zr0.5O2 films are ...

The importance of sleeping well cannot be overstated. Disrupted sleep over a prolonged period can lead to cognitive impairment, stress, and increased risk of cardiovascular diseases. Yet, in India, ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Reasoning models are supposed to fact-check themselves by producing a step-by-step plan to find a correct answer. Reading time 3 minutes The final day of OpenAI’s “12 Days of Shipmas” has arrived with ...

在现代工业中，气体检测是保障人员安全、设备稳定运行和环境保护的关键环节。SF6(六氟化硫)、O2(氧气)和O3(臭氧)是工业环境中常见的三种气体，它们在特定条件下可能对人员健康和设备安全造成威胁。SF6+O2+O3气体探测器的应用，为这些潜在风险提供了实时监控 ...

10 月 3 日消息，科技媒体 newatlas 昨日（10 月 2 日）发布博文，科学家首次在分子尺度上实时观察到氢和氧原子结合形成微小的纳米水泡。 氢气（H₂）和氧气（O₂）反应生成水（H₂O）这一化学方程式，帮助我们更好地认识水的形成过程以及化学反应的基本原理。

猪场带猪消毒臭氧发生器是采用纯氧制取臭氧然后通过鼓风机投送到猪场内对猪场进行带活猪消毒杀菌，杀菌效果，能有效杀死各类细菌、病菌及病毒，对猪成长有促进生长的作用。对猪场的猪*，是养殖户保驾护航绿色杀菌剂，再就是对猪的饮用水进行消毒杀菌 ...