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Now available on Fast Track: Egg size and shape variation in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations: hatching success increases with egg elongation

Posted on 23. April, 2018.

In oviparous taxa such as birds, clutch characteristics (e.g. egg size, egg mass and the number of eggs) can be considered as energetic investment in reproduction. In this paper, we study variation in the principal component indices of egg size and shape in Rufous Bush Chats (Cercotrichas galactotes) breeding in date palm plantations in the Al Amri Oasis, north Algeria, in 2008–2009 and 2011–2013.


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Journal of Chemical Research - Abstracts Edition, Volume 39, Issue No.3, March 2015

Posted on 31. March, 2015.

Volume 39, Issue No.3, March 2015 Abstracts Edition of Journal of Chemical Research is available to download now.


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Advances in antihydrogen physics

Posted on 30. March, 2015.

Antimatter has long held a grip on the fascination of both scientists and the general public, though usually for very different reasons. Dirac’s famous 1931 prediction of the existence of both the positron and the antiproton (though he did confess to know nothing of the nature of the proton) holds a special place in physics. 


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Advances in Steroid Chemistry

Posted on 30. March, 2015.

There are many facets to modern steroid chemistry. The isolation of novel steroids, particularly as their glycosides from medicinal plants, continues to be reported. Steroids have a wide range of valuable biological activities. The exploration of routes for the partial synthesis of the less common biologically active compounds from more readily available steroid starting materials provides important objectives.


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Contents: Journal of Chemical Research, Volume 39, Issue No.3, March 2015

Posted on 30. March, 2015.

The Journal of Chemical Research is a monthly journal which has a broad international authorship and publishes research papers and reviews in all branches of experimental chemistry. Established in 1977 as a joint venture by the British, French and German chemical societies it maintains the high standards set by the founding societies.


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Prokaryotic expression and active immunisation against recombinant-derived prolactin fusion protein on broodiness and egg-laying in Wanxi-white goose

Posted on 27. March, 2015.

Seasonal laying and strong broodiness in the Wanxi-white goose (Anser anser), a Chinese indigenous breed, result in its low production of eggs. It is assumed that the onset of broodiness is one of the major factors responsible for egg production. Therefore, eliminating broodiness might be an effective means to improve the reproductive performance.


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Kinetics of diffusion-controlled adsorption of adenine and adenosine in a carboxymethyl diaminoethane PVC-mediated column system

Posted on 13. March, 2015.

The interactions of biochemical compounds, such as adenine and adenosine, with chelating resins in fixed-beds have been extensively studied. However, a literature search indicates that there are very few studies concerning the kinetics of ligand adsorption in the continuous mode.


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“Vibrational bonding”: a new type of chemical bond is discovered

Posted on 12. March, 2015.

Chemical bonding is the attractive force between atoms that causes them to form into aggregates such as molecules or solids. At its foundation, a chemical bond is always a result of the summed attractive and repulsive electrostatic interactions between a number of positively charged nuclei and a number of negatively charged electrons, but a hierarchy of different bond types of varying strength can be identified.


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Contents: Science Progress  Volume 98 Number 1 2015

Posted on 11. March, 2015.

Science Progress commissions world authorities to contribute articles on the most interesting, important and meaningful topics - ranging from cosmology to the environment, and publishes occasional issues on specific topics.


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