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相关概念视频

Factors Affecting Creep01:28

Factors Affecting Creep

180
In normal-weight aggregate concrete, the hardened cement paste is the primary contributor to creep, whereas the aggregates, being stiffer than the cement paste, are more resilient to stress-induced deformation. The stiffness of the aggregates is defined by their modulus of elasticity, and the more voluminous they are in the concrete, the less it will creep.
Further, the water/cement ratio is critical, as a lower ratio increases concrete strength, thus reducing creep. The strength of the...
180
The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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相关实验视频

Updated: Jul 27, 2025

Inoculation Strategies to Infect Plant Roots with Soil-Borne Microorganisms
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Inoculation Strategies to Infect Plant Roots with Soil-Borne Microorganisms

Published on: March 1, 2022

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狼和微生物:探索蜂爬行的生物原因

Jessica Young1, William R M Oakley, Glen Fox1

  • 1University of California, Davis, Department of Food Science and Technology Davis, California, USA.

Food microbiology
|June 8, 2023
PubMed
概括

蜂爬行是一种造问题,可能是由蜂中的微生物酶引起的,而不是蜂本身. 研究发现了产生粉降解酶的微生物,与这个问题有关.

科学领域:

  • 造科学 造科学
  • 微生物学 微生物学
  • 酶学 是一种酶学.

背景情况:

  • 蜂爬行在造中是一个尚未解决的问题,特别是在发酵期间添加蜂时.
  • 黄蜂含有降解素的酶,但它们的起源 (植物与微生物) 是有争议的.
  • 一个假设表明,微生物的右素降解酶导致了的爬行.

研究的目的:

  • 为了调查酒行业中蜂爬行的起源.
  • 确定蜂上的微生物群落及其产生粉降解酶的潜力.
  • 了解蜂加工,抗菌因子和微生物耐药性机制.

主要方法:

  • 对蜂加工和造酒中的使用进行审查.
  • 对蜂微生物群落的分析.
  • 基因组数据库搜索特定的粉降解酶在已识别的微生物.
  • 对蜂抗菌因子和细菌耐药性的研究.

主要成果:

  • 几种细菌和真菌具有α氨酶和甘酸氨酶.
  • 只有一个已识别的微生物含有β-氨酶.
  • 这项研究探讨了这些生物在其他花朵中的丰富程度.
关键词:
酒 酒 酒 酒 的意思造酒是为了造酒.甘氨基酸酶是什么?甘氨基酸酶是什么?跳跳爬爬的跳跃是一种.人类狼 (Humulus lupulus) 是一种植物.植物微生物社区的微生物社区.

更多相关视频

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
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A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

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Mass Production of Entomopathogenic Fungi, Metarhizium robertsii and Metarhizium pinghaense, for Commercial Application Against Insect Pests
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相关实验视频

Last Updated: Jul 27, 2025

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08:16

Inoculation Strategies to Infect Plant Roots with Soil-Borne Microorganisms

Published on: March 1, 2022

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A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
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A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling

Published on: July 22, 2017

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Mass Production of Entomopathogenic Fungi, Metarhizium robertsii and Metarhizium pinghaense, for Commercial Application Against Insect Pests
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Mass Production of Entomopathogenic Fungi, Metarhizium robertsii and Metarhizium pinghaense, for Commercial Application Against Insect Pests

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结论:

  • 微生物酶是蜂爬行的可能原因.
  • 特定的细菌和真菌含有负责脱素降解的酶.
  • 需要进一步的研究,以充分阐明微生物对蜂爬行的贡献.