SID-2SJ型数字式同步检查继电器是一款用于电源同期并列场合的继电器,主要用于电压的同期条件校对。它的特点包括: 对压差、频差、相角差实现了三重闭锁,确保同期操作安全。 可直接更替DT-1、TQ-100等传统同步检查继电器。 同期点两侧同期条件指示采用数字方式显示。 继电器通过同期电压取电,无需外加工作电源。 输入PT...
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优势产品 SJ100-075HFE优势产品 0670-125-40优势产品 0901-077-00优势产品 PC206 H-01082优势产品 C-100-A-2优势产品 B-1002-A-11优势产品 D24SCT 230vac优势产品 OPH3W优势产品 M10K-FN-40优势产品 TR3...AC 230v优势产品 PDA20优势产品 M10K-FCS-150优势产品 M10K-FCS-100优势产品 944AOPLPNCSFSF...
Health tipsExamines the role of vitamin D in controlling blood calcium levels and maintaining the health of an individual's bones. Recommended vitamin D intake depending on an individual's age; Ways in which you can gain vitamin D.Mayo Clinic Health Letter...
THE MAILSeveral letters to the editor in response to articles in previous issues including "The General," by Ari Shavit in the January 23 and 30, 2006 issues, and "Here Below," by Roger Angell in the January 16, 2006 issue are presented.Fales, Chris...
Oxidative addition of 1,4‐dichloro‐2‐butyne to an organoplatinum complex: A new precursor for synthesis of ultrasmall Pt nanoparticles thin film at liquid/liquid interface as the electrocatalyst in methanol oxidation reactionLIQUID filmsOXIDATIVE addition...
Cover PageThe cover of the journal is presented which shows a picture of television personality Oprah Winfrey.Saturday Evening Post
NIGHT LIFELists night club performances in New York City as of December 17, 1990. Theme of the performances; Performers who appeared in the productions; Music used in the performances; Schedule of the shows; Working titles; Contact information....
Child FJ, Mitchell TJ, Whittaker SJ, Scarisbrick JJ, Seed PT, Rus- sell-Jones R. A randomized cross-over study to compare PUVA and extracorporeal photopheresis in the treatment of plaque stage (T2) mycosis fungoides. Clin Exp Dermatol 2004;29:231-236....
New Productsdoi:10.1126/science.331.6014.231-aAmerican Association for the Advancement of ScienceScience