Thursday, November 17, 2005

Drilling Machinery

Most modern drilling machines are either percussive (chipping rock or ground intermittently

Saturday, October 15, 2005

Xie Jun

Cathy Forbes, Meet the Masters (1994), contains a collection of interviews with many notable chess players.

Thursday, July 28, 2005


The great period of the orangery,

Tuesday, July 26, 2005


In western Europe, the title of holders of numerous offices of varying importance, mainly secretarial, legal, administrative, and ultimately political in nature. The Roman cancellarii, minor legal officials who stood by the cancellus, or bar, separating the tribune from the public, were later employed in the imperial scrinia (writing departments). After the fall of

Sunday, July 24, 2005

Metabolism, Oxidation of the carbon skeleton

As indicated in Figure 2, the carbon skeletons of amino acids (i.e., the portion of the molecule remaining after the removal of nitrogen) are fragmented to form only a few end products; all of them are intermediates of either glycolysis or the TCA cycle. The number and complexity of the catabolic steps by which each amino acid arrives at its catabolic end

Thursday, July 07, 2005

Mercury Processing

Mercury (Hg) has a unique combination of physical properties. Its low melting point (-38.87° C [-38° F]) and boiling point (356.9° C [674° F]), high specific gravity (13.5 grams per cubic centimetre), uniform volume expansion over the entire range of temperatures in its liquid state, and high surface tension (so that it does not wet glass) make it useful for

Tuesday, July 05, 2005

Mystery Story

Ages-old popular genre of tales dealing with the unknown; it may be a narrative of horror and terror, a pseudoscientific fantasy, a crime-solving story, an account of diplomatic intrigue, an affair of codes and ciphers and secret societies, or any situation involving an enigma. By and large, mystery stories may be divided into two sorts: tales of the supernatural and riddle