Acetone has been in common use as a solvent and as an extracting regent, in industry for several decades. It is easy to evaporate in air. When the concentration of acetone in air is higher than 10,000 ppm, people may experience such symptoms as cephalalgia, nausea and so on.

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This kind of special natural conditions and social customs of a place, developed the disposition with changeful, fine, gentle Japanese, and meticulous to nature impressibility, japanese literature also formed a kind of peculiar seasonal sense and scenery view, form content of a kind of " then the tradition of sad ".

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A single systemic injection of resiniferatoxin , an ultrapotent analog of capsaicin, produced a long-lasting, reversible blockade of adjuvant-induced thermal hyperalgesia and reduction of early edema in the adult rat. Depletion of mast cell granules in peripheral connective tissues with secretagogue compound 48/80 also reduced the hyperalgesia and early edema to some extent. Co-pretreatment with RTX and compound48/80 had the similar effects as that of RTX treated alone. After unilateral surgical sympathectomy, the thermal hyperalgasia and edema were both significantly enhanced.

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The heat property and explosive property were also studied. The results show that KBFNP has a potential application in replacement of lead styphnate and mini-impulse system because of its good ignition and gas-making capability.

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Providing a powder composition with low hygroscopicity, excellent storage stability, easy uniform dispersion of a core substance, a sufficient amount of the core substance, and excellent taste without attachment onto teeth even after addition to chewing gum or tablet confectioneries, which is preferable for use as an agent for giving aroma and flavor or an agent for enhancing aroma and flavor, as well as foods and drinks containing the same.

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They may lack some conceptual beauty but you have to agree - they are fine-tuned, visually stable, and very difficult to reproduce.

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The fundamental concept of the I Ching is change.

我們最感興趣的是《易經(jīng)》談「變革」的部分。