-
Article
Gas sensor based on rGO/ZnO aerogel for efficient detection of NO2 at room temperature
In this paper, a simple, low cost and easy to operate hydrothermal method was successfully used to synthesize rGO/ZnO aerogel in one step. Then the obtained sample is prepared into a sensor to test its sensing...
-
Article
Open AccessAmeliorative effect of recombinant human lactoferrin on the premature ovarian failure in rats after cyclophosphamide treatments
This study investigated the effect of recombinant human lactoferrin (rhLF) on the premature ovarian failure (POF) of rats. After cyclophosphamide treatments, the POF rats were divided into the following groups...
-
Article
Spatial distributions and environmental implications of diatom assemblages in surface sediments of Hulun Lake, China
We examined the spatial distributions of diatom assemblages in surface sediments of Hulun Lake and explored the potential relationships between diatom distributions and environmental variables using multivaria...
-
Article
Open AccessBioinformatic analysis of the four transcription factors used to induce pluripotent stem cells
Induced pluripotent stem (iPS) cells are a type of pluripotent stem cell artificially derived from non-pluripotent cells by overexpressing the transcription factors Oct4, Sox2, Klf4 and Nanog. These transcript...
-
Article
Comprehensive study on genetic pathways and parent materials of secondary biogenic gas in coalbeds
The types of substances in coal rock used by microbes, the specific ways in which microbes produce secondary biogenic gas (SBG) and whether substances exist in the coal seam for the formation of a large amount...
-
Article
Culture conditions for bovine embryonic stem cell-like cells isolated from blastocysts after external fertilization
Although isolation and characterization of embryonic stem cells have been successful in cattle, maintenance of bovine embryonic stem cells in culture remains difficult. In this study, we compared different met...
-
Article
Vegetation and environmental changes in western Chinese Loess Plateau since 13.0 ka BP
Pollen records from the Chinese Loess Plateau revealed a detailed history of vegetation variation and associated climate changes during the last 13.0 ka BP. Before 12.1 ka BP, steppe or desert-steppe vegetatio...
-
Article
Vegetation and climate changes during the last 8660 cal. a BP in central Mongolia, based on a high-resolution pollen record from Lake Ugii Nuur
Based on modern pollen studies and reliable chronology of nine AMS 14C dates, a detailed history of vegetation and climate changes during the past 8660 cal. a BP was reconstructed by a high-resolution pollen reco...
-
Article
Pollen-recorded climate changes between 13.0 and 7.0 14C ka BP in southern Ningxia, China
A pollen record from Haiyuan section in the southern part of Ningxia revealed a detailed history of vegetation variation and associated climate changes during the period from ∼13.0 to ∼7.0 14C ka BP. A steppe lan...
-
Article
Pollen record from red clay sequence in the central Loess Plateau between 8.10 and 2.60 Ma
The Late Miocene and Pliocene are the key periods for understanding the origin and development of the present Asian monsoon circulations and ecologic environments. Here we present a pollen record from Chaona R...
-
Article
The vegetation and climate change during Neocene and Early Quaternary in Jiuxi Basin, China
Sporopollen record in the Laojunmiao Section at Yumen in the Hexi Corridor foreland depression at the northern margin of the Tibetan Plateau revealed that during the period of 13.0–11.15 Ma the ecological envi...
-
Article
Holocene abrupt climate shifts recorded in Gun Nuur lake core, northern Mongolia
A continuous 7.44 m lake core was successfully drilled at Gun Nuur Lake, northern Mongolia, and analyses on environment magnetic parameters, organic matter content and organic λ13C were conducted in an attempt to...
-
Article
A 1.5 Ma sporopollen record of paleoecologic environment evolution in the central Chinese Loess Plateau
A 1.5 Ma sporopollen record was obtained from a continuous loess-paleosol sequence at Chaona in the central Chinese Loess Plateau. It shows that (1) arid herbs of largelyArtemisia and Chenopodiaceae and arbors of...
-
Article
Late Glacial and Holocene vegetation history and paleoclimate of the Tengger Desert, northwestern China
Sediments spanning the last 30000 yr BP were obtained from two sections in the southern part of the Tengger Desert, northwestern China (38°10′46″N, 102°45′53″E). The pollen assemblage suggested a Picea forest dom...
-
Article
The surface pollen and relative pollen production of the desert vegetation of the Alashan Plateau, western Inner Mongolia
This preliminary investigation focuses on the comparison of the recent pollen precipitation and its related vegetation of eight different plant communities in the Alashan Region, the most western part of the I...
-
Article
Palaeolake and palaeoenvironment between 42 and 18 kaBP in tengger desert, NW China
Comprehensive field investigations and laboratory analyses show that palaeolakes, including freshmesohaline water Megalake Tengger and other semi-connected, isolated water bodies, during late Pleistocene cover...
-
Article
Linkage between the second uplifting of the Qinghai-**zang (Tibetan) Plateau and the initiation of the Asian monsoon system
During the period from 25 to 17 Ma BP, when the second plateau uplifting, i.e. the second phase of the Himalaya movement, occurred, the Qinghai-**zang Plateau reached an altitude high enough to chbge the situa...
-
Article
The Holocene Palaeoclimatic change in southern vicinity of Tengger Desert
Through stratigraphy and chronology studies on Hongshui River section located at the southern vicinity of Tengger Desert, and based on the analysis results of TOC, TIC, elements, stable oxygen isotope that pos...
