STAT 发表于 2025-3-25 07:18:02
The Electroluminescence of Zinc Sulfideight sources. Much attention has been devoted to the investigation of thin films, a few microns thick, prepared by distillation of the material in vacuum . With such films it is easy to carry out luminescent measurements, both absorptive and electrical.languid 发表于 2025-3-25 09:05:36
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The Electroluminescence of Zinc Sulfidend in the form of monocrystals about 1 cm long . Electroluminescent condensers are usually filled with a mixture of finely crystalline powder and dielectric. This obviously increases the electrical strength of the electroluminescent condenser and makes it possible to prepare bright and uniform lperiodontitis 发表于 2025-3-25 22:27:59
rsisting for a time which greatly exceeds the period of a light vibration. The first half of this definition, proposed by Wiedemann, distinguishes luminescence from equilibrium thermal radi ation; the second half, introduced by Vavilov, distinguishes luminescence from various forms of scattering anenormous 发表于 2025-3-26 00:09:28
ognized experts.Includes supplementary material: .Plant roots may not only be colonized by mycorrhizal fungi, but also by a myriad of bacterial and fungal root endophytes that are usually not considered by the investigators of classic symbioses. This is the first book dedicated to the interactions o异常 发表于 2025-3-26 04:34:38
ciation, a preemptively colonised refugium for the fungus, a case of parasitism of the fungus by the plant, or some combination of the three? In vitro studies indicate that . can improve host plant growth both by aiding plant nutrition and detoxifying the soil environment, although the benefits to .侵略者 发表于 2025-3-26 11:07:49
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D. V. Skobel’tsyny and biotechnology.Includes supplementary material: .In response to low iron availability in the environment most microorganisms synthesize iron chelators, called siderophores. Bacteria and fungi produce a broad range of structurally diverse siderophores, which all show a very high affinity for ferexacerbate 发表于 2025-3-26 19:48:28
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