1.Charles Darwin: history's most famous naturalist.
Singapore medical journal 2005;46(12):738-author reply 739
2.Anatomical Achievement and Thought of Leonardo da Vinci.
Korean Journal of Physical Anthropology 2016;29(2):35-46
Leonardo da Vinci is remembered as the greatest genius of the Renaissance. He left outstanding achievements as an artist, scientist and inventor, and contributes up to today's science. He ranks the best in a variety of fields, such as botany, mathematics, geology, astronomy, geometry and optics. It has well known that Leonardo is an artist, scientist, inventor and philosopher. And he was a great anatomist that dissected dead bodies and animals directly and left many anatomical drawings. He took an interest in anatomy from the point of view of the artist, which is why the human body structure and function to know the sakes were "ignorant of the anatomy should not be upset." Over time, he became interested in the structure and function of the body, even get the human body in a difficult environment; he dissected many the human bodies directly. His scientific inquiry and infatuation made him as an advanced pioneer for more than 100 years, and got enough level to surpass the artistry. Leonardo left about 1,800 anatomical figures of the muscular, skeletal, vascular, nervous and urogenital system, and they are also very scientific and high artistic achievements. The aim of this article is to take a look at Leonardo da Vinci's anatomical achievements and thoughts. In addition, the goal is to knowledge today's anatomists about Leonardo da Vinci's astonishing achievements as a great pioneer in anatomy.
Anatomists
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Animals
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Astronomy
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Botany
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Geology
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Human Body
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Humans
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Inventors
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Mathematics
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Urogenital System
3.Geological distribution of exudation and storage area of Tibetan medicine Zha-xun in Sichuan province based on GIS.
Jiu-Yu FAN ; Rong DING ; Ming-Ming ZHAO ; Meng WANG ; Rui GU ; Shi-Hong ZHONG
China Journal of Chinese Materia Medica 2020;45(15):3631-3641
Zha-xun is widely used in Tibetan medicine and is also an international traditional medicine. This study believes that the black organic matter constituting Zha-xun is mainly stored in the rocks. The exudation points of Zha-xun mostly distribute on the cliffs of high mountains, which makes it difficult to evaluate its resource distribution and storage area. This paper was aimed at the exudation environment of Tibetan medicine Zha-xun in Sichuan province and 6 ecological environmental factors of the Zha-xun were determined via the field investigation. Combining with these 6 factors as well as the GIS data of Sichuan province, ArcGIS software was used to extract ideal environmental factors which are suitable for exudation of Zha-xun, including geology types, geomorphological types, altitude, slope, vegetation types, and mean annual temperature. The spatial overlay analyses on the extracted environmental factors were carried out to predict the distribution area of Zha-xun in Sichuan province. Afterwards, field investigation was conducted to verify the prediction. The prediction showed that the exudation spots of Zha-xun in Sichuan province mainly located in 29 counties including 12 in Aba Prefecture, 15 in Ganzi Prefecture, and Muli County and Dechang County in Liangshan Prefecture. The deposit areas of Zha-xun were located in the Triassic, Devonian and Silurian strata and were basically distributed in 9 basins, including Dingqu River, Yalong River, Xianshui River, Dadu River, Suomo River, Minjiang River and Baishui River, characterized by a fragmented patch-like distribution along the mountain ranges, and the exudation spots of Zha-xun were mainly scattered among the rain-free cliffs' concavities of river valleys at a certain altitude. The prediction was consistent with the field investigation results, which suggested that it is possible and feasible to predict distribution of Zha-xun resources based on GIS-analysis. The study may provide a scientific basis for comprehensive investigations into Zha-xun's distribution and formation mechanism, thus promoting rational development and utilization of Zha-xun resources.
China
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Geographic Information Systems
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Geology
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Medicine, Tibetan Traditional
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Medicine, Traditional
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Temperature
4.Discuss on model organism and model for geoherbs' study.
Luqi HUANG ; Zhubo DAI ; Dongmei LV ; Yuan YUAN
China Journal of Chinese Materia Medica 2009;34(9):1063-1066
The scientific essence of geoherbs bases on the attribute of matter. The phenotype of geoherbs from biological point view includes medicinal character, tissue structure, content and composition of the effective components and the therapeutic effect. The forming of geoherb is resulted from the interaction of genotype and environment. It can be expressed by the formula: phenotype = genotype + environmental modification. In order to prove this hypothesis, the authors discussed the model organism and model for geoherbs' study based on Salvia miltiorrhiza.
Environment
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Geology
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Models, Biological
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Phenotype
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Plant Extracts
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chemistry
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metabolism
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pharmacology
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therapeutic use
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Plants, Medicinal
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chemistry
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metabolism
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Salvia miltiorrhiza
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chemistry
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metabolism
5.Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China.
Journal of Zhejiang University. Science. B 2005;6(3):202-207
Bailong Cave with its well-developed Middle Triassic calcareous dolomite's system was opened as a show cave for visitors in 1988. The speleothem scenery has been strongly weathered as white powder on the outer layers. Study of the cave winds, permeability of soil-rock system and the chemical compositions of the dripping water indicated: (1) The cave dimension structure distinctively affects the cave winds, which were stronger at narrow places. (2) Based on the different soil grain size distribution, clay was the highest in composition in the soil. The response sense of dripping water to the rainwater percolation was slow. The density of joints and other openings in dolomite make the dolomite as mesh seepage body forming piles of thin and high columns and stalactites. (3) Study of 9 dripping water samples by HYDROWIN computer program showed that the major mineral in the water was dolomite.
Biodegradation, Environmental
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Calcium Carbonate
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analysis
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chemistry
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China
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Ecosystem
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Geology
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methods
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Permeability
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Soil
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analysis
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Water
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analysis
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chemistry
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Weather