90 Result(s)
within
English
Chemistry/Food Science, general
Physics, general
Science, Humanities and Social Sciences, multidisciplinary
Qi** Zhai
Science, Humanities and Social Sciences, multidisciplinary
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Article
Chromosome sorting and its applications in common wheat (Triticum aestivum) genome sequencing
The large genome size (∼17000 Mb) and complicated DNA structures of common wheat (Triticum aestivum) hamper its genome sequencing. By means of flow cytometry, systematic investigations on individual chromosome so...
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Article
Vast laminated diatom mat deposits from the west low-latitude Pacific Ocean in the last glacial period
Diatoms are one of the predominant contributors to global carbon fixation by accounting for over 40% of total oceanic primary production and dominate export production. They play a significant role in marine b...
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Article
Periodical oscillating interface in directional growth under shear flow
Liquid-solid interface morphological evolution of SCN-2wt%H2O alloy was investigated in the presence of shear flow. It has been found that shear flow strikingly enhances the stability of planar interface at lower...
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Article
Methoxy poly(ethylene glycol)-b-poly(ethyl cyanoacrylate) copolymer nanoparticles as delivery vehicles for dexamethasone
Methoxy poly(ethylene oxide)-b-poly(ethyl cyanoacrylate) (mPEG-b-PECA), amphiphilic block copolymer, was synthesized via oxyanion-initiated polymerization with a sodium alcoholate-terminated monomethoxy poly(e...
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Article
Dielectric properties of low dielectric constant Ba0.60Sr0.40Mg0.15Ti0.85O3-Mg2TiO4 composite thin films for tunable applications
Ba0.60Sr0.40Mg0.15Ti0.85O3-xmol%Mg2TiO4 (x = 0–40 mol%) (BSTM-MT) composite thin films were fabricated by sol-gel method. The precursor solution of these composite thin films was prepared through mixing the Ba0.6...
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Article
SHRIMP U-Pb dating and Hf isotopic analyses of zircons from the mafic dyke swarms in central Qiangtang area, Northern Tibet
In the “Central Uplift” of Qiangtang, Northern Tibet, a large scale of mafic dyke swarms extended in E-W direction. Zircon SHRIMP U-Pb dating on two representative samples of diabase dyke yield weighted mean a...
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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...
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Article
Solar-driven high temperature radiant cooling
Solar energy is widely used as one of the most important renewable energy. In addition to the growing applications of solar PV and solar water heater, solar cooling is also considered very valuable and the rel...
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Article
A novel mechanism controls anther opening and closing in Paris polyphylla var. Yunnanensis
The phenomena of anther opening and closing in Paris polyphylla var. yunnanensis (Franch) Hand.-Mazz were described in detail, and the effects of ecological factors on those phenomena related to anther opening, c...
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Article
Equivalent circuit method for static and dynamic analysis of magnetoelectric laminated composites
Magnetoelectric equivalent circuit analytical method is presented for laminate composites of magneto-strictive Terfenol-D (Tb x Dy1−x Fe2) and piezoelectr...
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Article
Regional ecosystem changes under different cascade hydropower dam construction scenarios in the LRGR
Ecological effects of the cascade hydropower dam construction on ecosystems have acquired much concern from scientists with the expanding of dam development scales in the Longitudinal Range-Gorge Region. In th...
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Article
Study on the spatiotemporal variability of eco-hydrological characteristics of the rivers in the Longitudinal Range-Gorge Region and their driving forces
Taking two typical rivers in high mountains and steep gorge areas as example, this paper analyzes the spatiotemporal variability of the eco-hydrological characteristics and the driving forces leading to change...
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Article
Study on the interaction between engineering construction and ecosystem changes in the Longitudinal Range-Gorge Region
This paper takes the interaction between engineering construction and ecosystem changes as the main science issue. Based on the DPSIR (Drive-Press-State-Impact-Response) framework, this study analyzes the inte...
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Article
Solidification characteristics of Pb-Sb hypereutectic alloy within ultrasonic field
The solidification of Pb-16%Sb hypereutectic alloy is investigated within ultrasonic field with a frequency of 15 kHz. It is found that the ultrasonic field promotes crystal nucleation and terminates the furth...
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Article
Discovery of eclogite and its geological significance in Qiangtang area, central Tibet
Eclogite is first discovered from Qiangtang area, central Tibet, which occurs as a lens in the high-pressure metamorphic belt comprising glaucophane-muscovite schist and garnet-muscovite schist, along the sout...
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Article
Subcellular distribution and compartmentalization of arsenic in Pteris vittata L.
The subcellular distribution of arsenic (As) in Pteris vittata L., an As-hyperaccumulator, was studied to determine As compartmentalization and to explore the mechanisms that confer As tolerance. When the plant w...
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Article
DSC study on the undercooling of droplet solidification of metal melt
In this paper, the influence of cooling rate on the undercooling of droplet solidification of metal melt has been investigated by employing the differential scanning calorimetry (DSC) method. The effect of coo...
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Article
Two virus-encoded RNA silencing suppressors, P14 ofBeet necrotic yellow vein virus and S6 ofRice black streak dwarf virus
Functional analysis for gene silencing suppressor of P14 geneof Beet necrotic yellow vein virus and S6 gene ofRice black streak dwarf virus was carried out by agro-infiltration with recombinant vectors ofPotato v...
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Article
Study on heterosis of inter-subspecies between indica and japonica rice (Oryza sativa L.) using chromosome segment substitution lines
Heterosis for yield and its component traits between chromosome segments from IR24, anindica variety, and the counterparts from 02428, ajaponica rice, was investigated by using a hybrid F1 population composed of ...
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Article
Zircon U-Pb SHRIMP dating for the volcanic rocks of the **ong’er Group: Constraints on the initial formation age of the cover of the North China Craton
The volcanic rocks of the **ong’er Group occur widely in the southern part of the North China Craton, which mark the beginning of the cover in the southern part of the North China Craton. The age of the volcan...
