Science China Press., Co. Ltd.
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Plant grafting and its application in biological research
Science China Press., Co. Ltd. - Tập 56 - Trang 3511-3517 - 2011
Grafting is widely used for various aspects of plant biological research. We reviewed grafting methods and graft development processes for herbaceous plants. We introduced also methods of investigating the development of graft union and compatibility, and the application of grafting in understanding translocation of substances and long-distance signaling in plants.
Effect of electroacupuncture in Weijing points on gastrointestinal interdigestive migrating motor complex and brain gut peptides release in dogs
Science China Press., Co. Ltd. - Tập 46 - Trang 843-850 - 2001
Interdigestive gastrointestinal migrating motor complex (MMC) activities were recorded by strain gauge implanted on the serosa in 7 conscious dogs. We studied the effects of electroacupuncture (EAP) Weijing points Zusanli (S36), Tianshu (S25), Liangmen (S21) on MMC and release of motilin and gastrin, and compared them with that of EAP Pangguangjing points. The results indicated that EAP Weijing po...... hiện toàn bộ
Conventional single-zircon U-Pb dating: Comparison with shrimp technique applied to proterozoic rocks of the Zhongtiao Mountains. Shanxi Province, China
Science China Press., Co. Ltd. - Tập 43 - Trang 73-73 - 1998
Study of the varve record from Erlongwan maar lake, NE China, over the last 13 ka BP
Science China Press., Co. Ltd. - - 2008
In a sediment sequence from Erlongwan maar lake that spans the last 13 ka BP, two main varve types can be recognized: biogenic varves (from the present to ∼11.2 ka BP, 0–632 cm) and clastic varves (from ∼11.2 to ∼12.7 ka BP, 632–700 cm). Based on the dominant types of algae contained in the sediment, the biogenic varves can be classified into dinocyst-biogenic varves (0–63 cm) and mixed (dinocyst ...... hiện toàn bộ
Catalytic decarboxylation of fatty acid by iron-containing minerals in immature oil source rocks at low temperature
Science China Press., Co. Ltd. - Tập 44 - Trang 1523-1527 - 1999
The catalytic activities of seven immature source rocks in China on fatty acid decarboxylation for generating hydrocarbons have been evaluated by determinating the CO2 content from decarboxylation reaction of stearic acid. It has been found that the catalytic activities of immature source rocks mainly depend on the structure type of the minerals. In general, the catalytic activities of carbonates ...... hiện toàn bộ
Simulation of the future change of East Asian monsoon climate using the IPCC SRES A2 and B2 scenarios
Science China Press., Co. Ltd. - - 2003
Spatial-temporal spectrum hole discovery: a hybrid spectrum sensing and geolocation database framework
Science China Press., Co. Ltd. - Tập 59 - Trang 1896-1902 - 2014
A hybrid spectrum sensing and geolocation database framework is proposed to tackle the discovery of spatial-temporal spectrum hole in cognitive radio networks. We first analyze the advantages and disadvantages of spectrum sensing-based and geolocation database-based approaches respectively, which motivate us to further propose a hybrid protocol framework by effectively integrating the benefits of ...... hiện toàn bộ
The impact of an urban dry island on the summer heat wave and sultry weather in Beijing City
Science China Press., Co. Ltd. - Tập 55 - Trang 1657-1661 - 2010
This paper studies interdecadal variations of heat waves and sultry weather (HW&SW) in Beijing City by using climatological data gathered from 1940–2000. In general, HW&SW decreased during the 1940s–1970s and increased during the 1970s–1990s. Although variation trends in the number of HW&SW days coincide with air temperature variations, the greatest number of HW&SW days occurred during the 1940s r...... hiện toàn bộ
Comparison of experimental techniques to increase the number of measurable confined fission tracks in zircon
Science China Press., Co. Ltd. - Tập 43 - Trang 150-150 - 1998
Secondary biogenic coalbed gas in some coal fields of China
Science China Press., Co. Ltd. - Tập 50 - Trang 24-29 - 2005
The secondary biogenic coalbed gas, a new genetic and energy source type of coalbed gas in China, has been found in Xinji, Liyazhuang and Enhong areas. The essential characteristics of this type of gas are: (i) the major component of the gas is methane, with C1/C1–5 value higher than 0.99, indicating that the gas is part of dry gas; (ii) the δ13C1 value is in the range of −61.7‰ to −47.9‰, mostly ...... hiện toàn bộ
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