Search Results - "OHNO, Tetsuji"

Wear and Degradation of Drilling Performance of Polycrystalline Diamond Compact Bit in Laboratory Test by Miyazaki, Kuniyuki, Ohno, Tetsuji, Takehara, Takashi, Imaizumi, Hiroyuki

“…Polycrystalline diamond compact (PDC) bits have been widely used in oil and gas well drilling and have recently also begun to be used in geothermal well…”
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Performance of polycrystalline diamond compact bit based on laboratory tests assuming geothermal well drilling by Miyazaki, Kuniyuki, Ohno, Tetsuji, Karasawa, Hirokazu, Imaizumi, Hiroyuki

“…•Drilling performance of a PDC bit was experimentally evaluated in a laboratory.•Drilling parameters changed reasonably according to the rock properties.•The…”
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Performance evaluation of polycrystalline diamond compact percussion bits through laboratory drilling tests by Miyazaki, Kuniyuki, Ohno, Tetsuji, Karasawa, Hirokazu, Takakura, Shinichi, Eko, Akhmadi

“…•The drilling performance of PDC and WC-Co percussion bits was experimentally estimated.•The PDC percussion bit exhibits higher drilling performance than the…”
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Geochemical prospecting for rare earth elements using termite mound materials by Horiuchi, Yu, Ohno, Tetsuji, Hoshino, Mihoko, Shin, Ki-Cheol, Murakami, Hiroyasu, Tsunematsu, Maiko, Watanabe, Yasushi

“…The Blockspruit fluorite prospect, located in North West State of the Republic of South Africa, occurs within an actinolite rock zone that was emplaced into…”
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Regulation of mitochondrial D-loops by transcription factor A and single-stranded DNA-binding protein by Takamatsu, Chihiro, Umeda, Shuyo, Ohsato, Takashi, Ohno, Tetsuji, Abe, Yoshito, Fukuoh, Atsushi, Shinagawa, Hideo, Hamasaki, Naotaka, Kang, Dongchon

“…During replication, mitochondrial DNA (mtDNA) takes on a triple‐stranded structure called a D‐loop. Although their physiological roles are not understood,…”
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Binding of Human Mitochondrial Transcription Factor A, an HMG Box Protein, to a Four-Way DNA Junction by Ohno, Tetsuji, Umeda, Shuyo, Hamasaki, Naotaka, Kang, Dongchon

“…Mitochondrial transcription factor A (mtTFA), the only known transcription factor in mitochondria, is also implicated in maintenance of mitochondrial genome…”
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Effects of Benidipine and Candesartan on Kidney and Vascular Function in Hypertensive Dahl Rats by YAO, Kozo, SATO, Hitoshi, SONODA, Rie, INA, Yasuhiro, SUZUKI, Kazuo, OHNO, Tetsuji

“…We examined the effect of the dihydropyridine calcium channel blocker (CCB) benidipine, the angiotensin II type 1 receptor blocker (ARB) candesartan, and the…”
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Renoprotective Effects of Benidipine in Combination with Angiotensin II Type 1 Receptor Blocker in Hypertensive Dahl Rats by YAO, Kozo, SATO, Hitoshi, INA, Yasuhiro, SUZUKI, Kazuo, OHNO, Tetsuji, SHIRAKURA, Shiro

“…We examined the effects of the angiotensin II type 1 receptor blocker candesartan, the calcium channel blockers benidipine and amlodipine, hydralazine, and the…”
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Antioxidant Effects of Calcium Antagonists in Rat Brain Homogenates by YAO, Kozo, INA, Yazuhiro, NAGASHIMA, Ken, OHMORI, Kenji, OHNO, Tetsuji

“…We studied the antioxidant activities of calcium antagonists against autoxidation in rat brain homogenates.The homogenates were incubated for 30 min at 37°C…”
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Protective effects of benidipine on hydrogen peroxide-induced injury in rat isolated hearts by Yao, Kozo, Ina, Yasuhiro, Sonoda, Rie, Nagashima, Ken, Ohmori, Kenji, Ohno, Tetsuji

“…ABSTRACT We investigated the effects of benidipine (hydrochloride), a calcium antagonist, on hydrogen peroxide (H2O2)‐induced injury in Langendorff‐perfused…”
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KF31327, a new potent and selective inhibitor of cyclic nucleotide phosphodiesterase 5 by Hirose, Ryo, Okumura, Hiroshi, Yoshimatsu, Akiko, Irie, Junko, Onoda, Yasuo, Nomoto, Yuji, Takai, Haruki, Ohno, Tetsuji, Ichimura, Michio

“…The effects of KF31327 (3-ethyl-8-[2-(4-hydroxymethylpiperidino)benzylamino]-2,3-dihydro-1 H-imidazo[4,5- g]quinazoline-2-thione dihydrochloride) on…”
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Experimental results on the effect of Bit wear on torque response by Karasawa, Hirokazu, Ohno, Tetsuji, Miyazaki, Kuniyuki, Eko, Akhmadi

“…Percussion bits, polycrystalline diamond compact (PDC) bits and roller cone bits are widely used in well drilling. The evaluation methods for downhole…”
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Studies of Cardiotonic Agents. 8. Synthesis and Biological Activities of Optically Active 6-(4-(Benzylamino)-7-quinazolinyl)-4,5-dihydro-5-methyl- 3(2H)-pyridazinone (KF15232) by Nomoto, Yuji, Takai, Haruki, Ohno, Tetsuji, Nagashima, Ken, Yao, Kozo, Yamada, Koji, Kubo, Kazuhiro, Ichimura, Michio, Mihara, Akira, Kase, Hiroshi

“…We previously reported that (±)-6-(4-(benzylamino)-7-quinazolinyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone ((±)-1, KF15232) showed potent cardiotonic activity…”
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Benidipine Inhibits Apoptosis During Ischaemic Acute Renal Failure in Rats by YAO, KOZO, SATO, HITOSHI, INA, YASUHIRO, NAGASHIMA, KEN, NISHIKAWA, SATOSHI, OHMORI, KENJI, OHNO, TETSUJI

“…We have investigated the effects of benidipine (hydrochloride), a calcium antagonist, against ischaemic acute renal failure in rats. Using histological…”
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Studies on Cardiotonic Agents. VI. Synthesis of Novel 4, 5-Dihydro-3(2H)-pyridazinone Derivatives Carrying Some Benzoheterocycles at the 6-Position by NOMOTO, Yuji, TAKAI, Haruki, OHNO, Tetsuji, KUBO, Kazuhiro

“…Several benzothiazolyl, imidazobenzothiazolyl, benzothienyl, benzothienopyrimidinyl and quinazolinyl 4, 5-dihydro-3(2H)-pyridazinones were synthesized and…”
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Studies on Cardiotonic Agents. V. Synthesis of 1-(6, 7-Dimethoxy-4-quinazolinyl)piperidine Derivatives Carrying Various 5-Membered Heterocyclic Rings at the 4-Position by NOMOTO, Yuji, TAKAI, Haruki, HIRATA, Tadashi, TERANISHI, Masayuki, OHNO, Tetsuji, KUBO, Kazuhiro

“…A series of 1-(6, 7-dimethoxy-4-quinazolinyl)piperidines carrying various 5-membered heterocycles at the 4-position was synthesized and examined for…”
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Effect of the Selective Adenosine Ai-Receptor Antagonist KW-3902 on Lipopolysaccharide-Induced Reductions in Urine Volume and Renal Blood Flow in Anesthetized Dogs by Yao, Kozo, Ina, Yasuhiro, Nagashima, Ken, Ohno, Tetsuji, Karasawa, Akira

“…We investigated the effects of KW-3902 (8-noradamantan-3-yl-l,3-dipropylxanthine), a potent and selective adenosine Ai-receptor antagonist, on…”
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Studies on cardiotonic agents. III. Synthesis of 1-(1-(6,7-dimethoxy-4-quinazolinyl)-4-piperidinyl)-3-substituted 2-imidazolidinone and 2-imidazolidinethione derivatives by NOMOTO, Yuji, OBASE, Hiroyuki, TAKAI, Haruki, HIRATA, Tadashi, TERANISHI, Masayuki, NAKAMURA, Joji, OHNO, Tetsuji, KUBO, Kazuhiro

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Studies on cardiotonic agents. IV, Synthesis of novel 1-(6,7-dimethoxy-4-quinazolinyl)piperidine derivatives carrying substituted hydantoin and 2-thiohydantoin rings by NOMOTO, Y, TAKAI, H, HIRATA, T, TERANISHI, M, OHNO, T, KUBO, K

“…A series of novel 1-(6,7-dimethoxy-4-quinazolinyl)piperidines carrying substituted hydantoin and 2-thiohydantoin rings was synthesized and examined for…”
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Effects of combination of angiotensin receptor blocker and calcium channel blocker on ox-LDL levels and cardiovascular dysfunction in Dahl rats by Takayama, Makoto, Arakawa, Emi, Yao, Kozo, Ina, Yasuhiro, Sato, Hitoshi, Hasegawa, Kazuhide, Kohno, Hiroaki, Ohno, Tetsuji

“…In an effort to assess the cardiovascular benefits of combined angiotensin receptor blockage and calcium channel antagonism, we assessed the chronic effects of…”
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