標(biāo)題: Titlebook: How Likely is Extraterrestrial Life?; J. Woods Halley Book 2012 The Author(s) 2012 Chemical evolution of life.Drake‘s equation discussed.E [打印本頁(yè)] 作者: 支票 時(shí)間: 2025-3-21 19:49
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?影響因子(影響力)
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?影響因子(影響力)學(xué)科排名
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?網(wǎng)絡(luò)公開(kāi)度
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?網(wǎng)絡(luò)公開(kāi)度學(xué)科排名
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書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?被引頻次學(xué)科排名
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?年度引用
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書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?讀者反饋
書(shū)目名稱(chēng)How Likely is Extraterrestrial Life?讀者反饋學(xué)科排名
作者: COWER 時(shí)間: 2025-3-22 00:04 作者: 概觀 時(shí)間: 2025-3-22 00:31 作者: 袋鼠 時(shí)間: 2025-3-22 07:50
f the host niche, often resulting from infection with respiratory viruses, changes of the microbiota composition, or other host assaults, can result in biofilm dispersion and spread of bacteria to other host niches, resulting in infections, such as otitis media, pneumonia, sepsis, and meningitis. Th作者: 修飾 時(shí)間: 2025-3-22 09:19
J. Woods Halleyommunities or biofilms. The oral surfaces are covered with a pellicle of proteins absorbed from saliva, and biofilm formation is initiated when primary colonizers, which express surface adhesins that bind to specific salivary components, attach?to the oral tissues. Further development then proceeds 作者: laceration 時(shí)間: 2025-3-22 15:50
J. Woods Halleyand many researchers find it difficult to study in a robust manner. There are many ways to measure phagocytosis, but what is often overlooked is the importance of experimental design and how the analysis is planned and performed. Experimental factors like reaction volume, time, and phagocyte–prey co作者: Communicate 時(shí)間: 2025-3-22 20:30 作者: Incumbent 時(shí)間: 2025-3-23 00:47 作者: 維持 時(shí)間: 2025-3-23 02:53 作者: 駁船 時(shí)間: 2025-3-23 08:05
J. Woods Halleytion advice from the experts.Includes supplementary material.This volume discusses various methods and protocols used for the experimentation of a wide range of bacterial species, such as?.Streptococcus pyogenes., .Staphylococcus aureus., .Streptococcus pneumonia., .Listeria monocytogenes.,?and?.M.y作者: Clumsy 時(shí)間: 2025-3-23 13:03 作者: 牌帶來(lái) 時(shí)間: 2025-3-23 15:10 作者: DEFER 時(shí)間: 2025-3-23 19:12 作者: 證實(shí) 時(shí)間: 2025-3-24 01:29 作者: 琺瑯 時(shí)間: 2025-3-24 02:30 作者: 很像弓] 時(shí)間: 2025-3-24 07:15 作者: 新娘 時(shí)間: 2025-3-24 14:19
Biological Factors of life on earth is not known. A somewhat less obvious problem is that estimates of the factor . are very sensitive to the criteria which are used to identify the presence of life. Attempts to identify the essential features required to label a material system as ‘a(chǎn)live’ are numerous, and necessari作者: GLOSS 時(shí)間: 2025-3-24 14:57 作者: HARD 時(shí)間: 2025-3-24 21:52
Electromagnetic (SETI) Searchesgalaxy. However we found that the absence of evidence of colonization of earth by extraterrestrials could be used to put some bounds on the possible types of civilizations that might exist and, in particular was shown to indicate that civilizations with the desire and ability to migrate quickly betw作者: Oscillate 時(shí)間: 2025-3-24 23:25
Direct Searches for Primitive Forms of Lifeof extraterrestrial life, there are also limitations to this method of exploration. The biosphere or organisms may not produce observable radiation and some kinds of experiments, such as chemical analysis of soils, which are routine in studies of terrestrial life, are not possible. The NASA astrobio作者: 考古學(xué) 時(shí)間: 2025-3-25 04:03 作者: fluffy 時(shí)間: 2025-3-25 09:39
Biological Factors identify the presence of life. Attempts to identify the essential features required to label a material system as ‘a(chǎn)live’ are numerous, and necessarily arbitrary because the word ‘life’ can be defined by its user in many ways.作者: Nucleate 時(shí)間: 2025-3-25 11:51 作者: ingrate 時(shí)間: 2025-3-25 17:50
Planetary Considerationseratures and feature huge gravitational fields at their surfaces. Some of moons of Jupiter and Saturn are regarded as having some possibility of harboring life, though none has been found to date and they are all at least as inhospitable as Mars.作者: 下邊深陷 時(shí)間: 2025-3-25 20:21
Direct Searches for Primitive Forms of Lifebout . years or more using present technology. (NASA does contemplate long term development of an interstellar probe). Here we briefly discuss results from such studies of Mars, Europa, a moon of Jupiter and Titan, a moon of Saturn. These are the objects of greatest current interest in the astrobiological efforts of NASA作者: Adjourn 時(shí)間: 2025-3-26 02:43 作者: superfluous 時(shí)間: 2025-3-26 05:18
Astrophysical Factorsome dispute. However, there is strong evidence that, roughly one second after the expansion began, the initial material cooled sufficiently to leave mainly electromagnetic radiation, two kinds helium nuclear isotopes, two kinds of hydrogen nuclei (protons and deuterons) and electrons.作者: 有機(jī)體 時(shí)間: 2025-3-26 08:27
Unidentified Flying Objectsalmost universally acknowledges this. The so-called ‘Fermi Paradox’ arises because some of the estimates from the Drake equation discussed in Part I predict large number of biospheres and civilizations, whereas none have been observed.作者: exostosis 時(shí)間: 2025-3-26 13:20
2191-9100 ewed in undergraduate and freshmen courses over many years PWhat does existing scientific knowledge about physics, chemistry, meteorology and biology tell us about the likelihood of extraterrestrial life and civilizations? And what does the fact that there is currently no credible scientific evidenc作者: Anthrp 時(shí)間: 2025-3-26 18:46
Book 2012are still choosing a specialty. The difficulties and the range of possible answers to the title question are carefully addressed in the light of present understanding. The resulting perspective is distinctly different from those suggested by most other books on this topic.作者: 寬宏大量 時(shí)間: 2025-3-26 23:06 作者: hauteur 時(shí)間: 2025-3-27 02:56
J. Woods Halleyn vivo modeling of bacterial infections; and Part 6 explores how bacterial pathogens are the true experts of the immune system. Written?in the highly successful?.Methods in Molecular Biology.?series format, cha978-1-4939-8268-4978-1-4939-6673-8Series ISSN 1064-3745 Series E-ISSN 1940-6029 作者: 誘拐 時(shí)間: 2025-3-27 05:21 作者: 無(wú)畏 時(shí)間: 2025-3-27 10:15
J. Woods Halleytyping methods for Staphylococcus aureus and a new model of streptococcal pharyngitis in non-human primates are also included. Bacterial Pathogenesis will prove an invaluable collection for microbiologists, immunologists, cell biologists and infectious disease clinicians - and indispensable to all s作者: Obvious 時(shí)間: 2025-3-27 16:38
J. Woods Halleyof a healthy biofilm phenotype (eubiosis). In the face of sustained environmental perturbation, however, biofilm homeostasis can break down giving rise to dysbiosis, which is associated with the development of oral diseases such as caries and periodontitis..In vitro models have an important part to 作者: 假 時(shí)間: 2025-3-27 20:41 作者: 展覽 時(shí)間: 2025-3-28 00:28
J. Woods Halleyof a healthy biofilm phenotype (eubiosis). In the face of sustained environmental perturbation, however, biofilm homeostasis can break down giving rise to dysbiosis, which is associated with the development of oral diseases such as caries and periodontitis..In vitro models have an important part to 作者: Aromatic 時(shí)間: 2025-3-28 04:06
J. Woods Halleycytosis using flow cytometry with a robust, high-throughput, and easy-to-use approach. The prey is first fluorescently double stained, followed by optional opsonization before being introduced to the phagocyte in a wide range of ratios. After incubation, data is acquired through flow cytometry. It c作者: discord 時(shí)間: 2025-3-28 07:44
J. Woods Halleycytosis using flow cytometry with a robust, high-throughput, and easy-to-use approach. The prey is first fluorescently double stained, followed by optional opsonization before being introduced to the phagocyte in a wide range of ratios. After incubation, data is acquired through flow cytometry. It c作者: 招惹 時(shí)間: 2025-3-28 11:03
om its chaperone. Furthermore, we detail the production of CagL and the use of differential scanning fluorimetry to identify how CagL is thermally stabilized by reduced pH, which led to a new crystal form of CagL and novel insight to pathogenic mechanisms. The methods described here for the producti作者: squander 時(shí)間: 2025-3-28 16:52
J. Woods Halley by DRaCALA in a 96-well format to allow rapid identification of protein–ligand interactions, including previously unknown proteins. Here, we present the protocols for generating the expression library, conducting the DRaCALA screen, data analysis, and hit validation.作者: 符合規(guī)定 時(shí)間: 2025-3-28 22:05
J. Woods Halleyom its chaperone. Furthermore, we detail the production of CagL and the use of differential scanning fluorimetry to identify how CagL is thermally stabilized by reduced pH, which led to a new crystal form of CagL and novel insight to pathogenic mechanisms. The methods described here for the producti作者: concubine 時(shí)間: 2025-3-28 23:43 作者: NAV 時(shí)間: 2025-3-29 06:36
essful colonization of that host. It is incumbent on each potential plant host, then, to evolve mechanisms to recognize some factor, preferably one produced at this pathogenic cusp, and to base resistance strategies on early recognition. Thus, an evolutionary tug-of-war is begun: plants evolve to “r作者: adulterant 時(shí)間: 2025-3-29 07:56
