2,843 Result(s)

Article

D-optimality andD _n -optimal designs for mixtures regression models with logarithmic terms

In this paper the authors put forward a new mixtures regression models with Logarithmic terms^[14] to generalize Draper's models^{[1, 2 or 6]} by using Kiefer-Wolfowitz's equivalence theorem^[3], Fedorov's and Wynn's ...

Weiyong Zhu, Chenjiang Hu, Huisen Chen in Acta Mathematicae Applicatae Sinica (1987)

Article

Solution structure of actinomycin-DNA complexes: Drug intercalation at isolated G-C sites

The actinomycin-D-d(A1-A2-A3-G4-C5-T6-T7-T8) complex (1 drug per duplex) has been generated in aqueous solution and its structure characterized by a combined application of two-dimensional NMR experiments and ...

**ucai Liu, Huifen Chen, Dinshaw J. Patel in Journal of Biomolecular NMR (1991)

Article

Changes in lipid content and composition during the development of N-nitrosodiethylamine induced hepatocarcinoma

Alterations in lipid content and composition in the N-nitrosodiethylamine-induced hepatocarcinoma were investigated. Rats were administrated with N-nitrosodiethylamine in the drinking water for 12 weeks follow...

Hua Tang, Patrick C. Choy, Huili Chen in Molecular and Cellular Biochemistry (1992)

Article

The effect of salinity on the acute toxicity of cadmium to the tropical, estuarine, hermaphroditic fish, Rivulus marmoratus: A comparison of Cd, Cu, and Zn tolerance with Fundulus heteroclitus

The mangrove-dwelling fish, Rivulus marmoratus, is the only vertebrate that is a synchronous, internally self-fertilizing hermaphrodite. This unique reproductive mode yields offspring with little genetic variatio...

Hui-Chen Lin, William A. Dunson in Archives of Environmental Contamination and Toxicology (1993)

Article

A Mössbauer study of some new compounds with the Fe-Me [Me=Mo, Ni, Cu, Co, Hg, Zn, Cd, Mn, Fe] bond

The reaction of trans-(Co)₃Fe(PPh₂Py)₂ with MeXn gave nine new compounds of trans-(CO)₃Fe(PPh₂Py)₂MeXn (MeXn=Co(SCN)₂, Ni(SCN)₂, Fe(SCN)₃, Cd(SCN)₂, Mn(SCN)₂, Zn(SCN)₂, Mo(CO)₃, Hg(SCN)₂ and CuBr). The compositio...

**g-Kun Zhang, Ze-Min Zhang, Ning Wang, Zheng-Zhi Zhang… in Hyperfine Interactions (1994)

Article

Supramolecular Assemblies of Chromophores in LB Films and Related Media

Huijuan Chen, Catie Weiss Farahat, Mohammad S. Farahat, H. Cristina Geiger… in MRS Bulletin (1995)

Article

Morphological changes of integumental chloride cells to ambient cadmium during the early development of the teleost, Oreochromis mossambicus

Newly-hatched embryos of Oreochromis mossambicus were reared in freshwater and treated with 0 (control), 50 (low level) or 200 (high level) ppb cadmium for 4 days. Changes in the numbers and dimensions of chlorid...

Tsung-Han Lee, Pung-Pung Hwang, Hui-Chen Lin in Environmental Biology of Fishes (1996)

Article

Biochemical effects of dietary linoleic/α-linolenic acid ratio in term infants

Recent statements concerning linoleic (LA) and α-linolenic acid (LNA) intakes for infants include a desirable range of LA/LNA ratios. To evaluate several dietary LA/LNA ratios, the fatty acid patterns of plasm...

Craig L. Jensen, Huiming Chen, J. Kennard Fraley, Robert E. Anderson… in Lipids (1996)

Article

Effect of dietary α-linolenic acid intake on incorporation of docosahexaenoic and arachidonic acids into plasma phospholipids of term infants

The fractional conversion rates of plasma phospholipid α-linolenic acid (18:3n-3) and linoleic acid (18:2n-6) to docosahexaenoic acid (22:6n-3) and arachidonic acid (20:4n-6), respectively, and the fractional ...

Thorsten U. Sauerwald, David L. Hachey, Craig L. Jensen, Huiming Chen… in Lipids (1996)

Article

Experimental study of the phase equilibria in the Fe-Mn-Al system

The isothermal sections with lower Al content at 800 ‡C, 900 ‡C, 1200 ‡C, and 1300 ‡C and two vertical sections of 4 wt pct Al and 8 wt pct Al in the Fe-Mn-AI system were determined by means of the diffusion c...

**ng Jun Liu, Shi Ming Hao, Le Ying Xu… in Metallurgical and Materials Transactions A (1996)

Article

Ultrafast optical Kerr effect of polybenzonitrile

 The subpicosecond time-resolved optical Kerr effect was used to determine the non-resonant optical nonlinearity of a new kind polynitrile: polybenzonitrile at a wavelength of 647 nm. A power-law dependence of...

Congfang Wang, **ongyan Zhao, Huiying Chen, **cheng Ai, Zongju **a… in Applied Physics B (1996)

Article

Mitochondria-rich cells in the branchial epithelium of the teleost,Oreochromis mossambicus, acclimated to various hypotonic environments

Branchial mitochondria-rich (MR) cells were examined on the afferent side of gill filaments in tilapia (Oreochromis mossambicus) acclimated to different hypotonic environments, local fresh water (LFW), hard fresh...

Tsung-Han Lee, Dr. Pung-Pung Hwang, Hui-Chen Lin… in Fish Physiology and Biochemistry (1996)

Article

Impedance Control with On-Line Neural Network Compensator for Dual-Arm Robots

A controller design strategy of dual-arm robots is proposed in this paper. The controller consists of a central controller and three force controllers. The central controller is used to calculate each arm’s fo...

Shih-Tin Lin, Hui-Chen Tsai in Journal of Intelligent and Robotic Systems (1997)

Article

Low temperature specific heat of propylene glycol

The specific heat of propylene glycol has been measured at temperatures from 0.1 K to 6 K. The magnitude and the temperature dependence of the specific heat are similar to that found in other fragile glasses.

Da-Ming Zhu, Huiwei Chen in Journal of Low Temperature Physics (1997)

Article

Changes in iron, calcium, magnesium, copper, and zinc levels in different tissues of riboflavin-deficient rats

To clarify the changes of mineral levels in different tissues of riboflavin-deficient rats, Wistar rats were separated into three groups. One group was fed a diet ad libitum that was deficient in riboflavin. T...

HuiJun Chen, Mieko Kimura, Yoshinori Itokawa in Biological Trace Element Research (1997)

Article

Efficient hammerhead ribozyme and antisense RNA targeting in a slow ribosome Escherichia colimutant

We have evaluated inhibition of the pfasmid-born chloramphenicol acetyl transferase gene (CAT) by the hammerhead ribozyme and antisense RNA in Escherichia coli where the translation and transcription rates have b...

Hui Chen, Gerardo Ferbeyre, Robert Cedergren in Nature Biotechnology (1997)

Article

The evolution of deserts with climatic changes in China since 150 ka B.P.

According to the bioclimatic zones, dune mobility and the fabric characteristics of stratigraphic sedimentary facies, the deserts in China are divided into Eastern, Western, Central and Northwestern deserts. B...

Guangrong Dong, Huizhong Chen, Guiyong Wang… in Science in China Series D: Earth Sciences (1997)