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相关概念视频

Operant Conditioning01:21

Operant Conditioning

2.9K
Operant conditioning, a key concept in behavioral psychology, involves using reinforcement and punishment to alter the likelihood of a behavior being repeated. B.F. introduced this type of conditioning. Skinner focused on voluntary behaviors and the consequences that follow them, influencing whether these behaviors will be strengthened or diminished.
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
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Operant Conditioning Intervention01:24

Operant Conditioning Intervention

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Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
In operant conditioning, behaviors that are...
506
Role of Shaping in Operant Conditioning01:19

Role of Shaping in Operant Conditioning

1.0K
Shaping is a technique used in operant conditioning to train complex behaviors by rewarding successive approximations toward the target behavior. This method is necessary because organisms are unlikely to perform complex behaviors spontaneously. Instead, shaping breaks down the desired behavior into small, manageable steps.
The steps involved in shaping begin with reinforcing any response that resembles the desired behavior. For example, parents might praise a child for picking up one toy. As...
1.0K
Dry Friction01:30

Dry Friction

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Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
983
Drying Shrinkage01:21

Drying Shrinkage

370
When hardened concrete is exposed to air with a relative humidity of less than 100 percent, it begins to lose the free water within its capillaries. As this water evaporates, the water initially adsorbed onto the calcium silicate hydrates migrates towards these now empty spaces and eventually evaporates as well. Over time, as more water leaves, the volume of the concrete decreases, a phenomenon known as drying shrinkage.
A portion of this drying shrinkage can be reversed; if the concrete is...
370
Operational Amplifiers01:17

Operational Amplifiers

2.0K
The operational amplifier, often referred to as an op-amp, is a multifaceted building block of a circuit. This electronic component functions like a voltage-controlled voltage source and can also be used to create a voltage- or current-controlled current source. The design of an operational amplifier enables it to execute mathematical operations when external components like resistors and capacitors are linked to its terminals. An op-amp has the capacity to sum signals, amplify a signal,...
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Updated: Jan 31, 2026

Microalgae Cultivation and Biomass Quantification in a Bench-Scale Photobioreactor with Corrosive Flue Gases
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使用托盘干燥机优化微藻生物质干燥的操作条件.

R López Pastor1,2, M G Pinna-Hernández3,4, J A Sánchez Molina5,6

  • 1Solar Energy Research Centre (CIESOL), Joint Centre University of Almería-CIEMAT, Almería, 04120, Spain. rlp648@ual.es.

Scientific reports
|January 29, 2026
PubMed
概括

克洛雷拉微藻生物质的托盘干燥是可行的,由于更薄的层和更高的温度减少了干燥时间. 然而,温度和时间的增加导致色素降解,需要对生物炼油厂进行优化.

关键词:
生物质降解生物质的降解.干燥动力学 干燥动力学建模模型 建模模型预处理的前期处理

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科学领域:

  • 生物质价值化 生物质价值化
  • 干燥技术 干燥技术
  • 微藻加工加工 微藻加工

背景情况:

  • 干燥微藻生物质对于稳定性和下游应用至关重要,但耗费大量能源.
  • 传统的干燥方法在能源效率和产品质量方面存在挑战.
  • 托盘干燥为微藻生物质加工提供了一个潜在的替代方案.

研究的目的:

  • 评估对Chlorella sp.进行托盘干燥的技术可行性和性能. 生物质.生物质.
  • 研究干燥温度和生物质层厚度对干燥动力学的影响.
  • 评估干燥条件对微藻颜料质量的影响.

主要方法:

  • 实验是使用Chlorella sp.进行的. 在模拟的工业托盘干燥机中的生物质.
  • 干燥温度在60至80°C之间,层厚度在0.3至1.0厘米之间.
  • 干燥动力学是使用功率定律方程建模的,并且用光谱光度分析了颜料质量.

主要成果:

  • 通过更薄的生物质层和更高的温度,减少了干燥时间,在80°C和0.3厘米厚度下,在5小时内达到完全脱水.
  • 在干燥效率和生物质质量之间观察到一个显著的权衡,随着更高的温度和更长的干燥时间,颜料降解的增加.
  • 开发了一个多项式模型,以根据操作参数预测色素恶化.

结论:

  • 托盘干燥是微藻生物质加工的可行方法,可减少干燥时间.
  • 优化托盘干燥参数对于平衡能源效率与保存颜料等有价值的生物质成分至关重要.
  • 该研究为设计和扩大微藻生物炼油厂的托盘干燥系统提供了框架.