- 著者
- 森 大之 藤本 康之 貴船 博巳 竹中 寿康 大岩 修 稲田 治
- 出版者
- JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY
- 雑誌
- 紙パ技協誌 (ISSN:0022815X)
- 巻号頁・発行日
- vol.48, no.1, pp.78-82, 1994
Our Cycle Hit System of Iwakuni Mill started up from Febrary 1993 and Coated paper product waste liquor (Color waste liquor) has been treated succesfully with it.<BR>In this system, primary plus secondary sludges are directed to a slugde conditioning tank, where it is dosed with an inorganic coagulant and mixed to neutralize the surface charge of the sludge particles.<BR>This conditioned sludge is then sent to a pelletizing/thickening tank, where an anionic and an amphoteric polymers are added to pelletize the sludge. Using the same tank, water can be removed with a special built-in device, resuluting in a sludge with an increased concentration of solids.<BR>This report described the summary of operation.
1 0 0 0 OA スクリューフィーダの内部輸送機構
- 著者
- 和田 憲造 藤本 康之 早野 延男 埴谷 和宏
- 出版者
- 一般社団法人 日本機械学会
- 雑誌
- 日本機械学会論文集 C編 (ISSN:03875024)
- 巻号頁・発行日
- vol.56, no.524, pp.935-940, 1990-04-25 (Released:2008-02-21)
- 参考文献数
- 4
- 被引用文献数
- 3
The screw feeder is extensively used as a feeder of granular materials. Until now, a few reports regarding the fundamental characteristics of the screw feeder, for example, the required power and the quantity of discharge from the feeder, have been published. However there are almost no reports on the dynamic characteristics and the transportation mechanism. In this paper, the transporting state and the transportation mechanism of granular materials inside the screw feeder are investigated. First, the effects of the rotating speed of the screw shaft and the pressure of granular materials inside a feed hopper on the required power and quantity of discharge are examined. Secondly, the transporting state of granular materials inside the screw feeder is investigated. Then the transportation mechanism is discussed by analyzing the motion of a tracer inserted into the screw feeder and by using a velocity diagram.
1 0 0 0 ヒト白血病細胞k562の細胞分化における化学制御
- 著者
- 小磯 邦子 中島 修 松村 大輔 藤本 康之 橋本 祐一
- 出版者
- 公益社団法人日本薬学会
- 雑誌
- 藥學雜誌 = Journal of the Pharmaceutical Society of Japan (ISSN:00316903)
- 巻号頁・発行日
- vol.120, no.1, pp.104-112, 2000-01-01
Human myeloid leukemia K562 cells can be induced to differentiate to mature cells bidirectionary, i.e., hemin induces erythroid differentiation, while 12-O-tetradecanoylphorbol 13-acetate (TPA) induces differentiation to monocytes. The differentiation-inducing activity of various hemin-related compounds suggested certain structural requirements for the activity : 1) the iron moiety of hemin is not essential, and 2) the propionic acid side chains of hemin play an important role in the differntiation and induction. In addition, we have examined the influence of some bioresponsemodifying factors on hemin/protoporphyrin IX-induced differentiation of K562 cell line. Retinoids and tubulindisruptors, themselves did not induce differentiation, enhanced hemin/protoporphyrin IX-induced differentiation of K562 cells. We also examined the possible involvement of peripheral-type benzodiazepine receptor (PBR) in hemin/protoporphyrin IX-induced differentiation on K562 cell lines. The PBR specific ligands modified hemin-induced differentiation. These results suggest a requirement for retinoids (or retinoids-like cofactors) for hemin/protoporphyrin IX-induced differentiation of K562 cells and the involvement of PBR in erythroid differentiation of K562 cell line. Further we showed that TPA suppresses hemin-induduced erythroid differentiation of K562 cells, while retinoids augment it. TPA is a potent inducer of heme oxygenase (HO), which catabolizes heme to biliverdin. An HO inhibitor, tin protoporphyrin (SnPP), suppresses TPA-induced K562 cell differentiation to monocytes. It was also found that cotreatment of K562 cells with SnPP and TPA induces erythroid differentiation of K562 cells, though SnPP alone or TPA alone does not induce erythroid differentiation, suggesting a role of HO in the directional switch of differentiation.