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Astrochemical Properties of Planck Cold Clumps
Tatematsu, Ken’ichi,Liu, Tie,Ohashi, Satoshi,Sanhueza, Patricio,Nguyê,̃,n Lu’o’, Quang,Hirota, Tomoya,Liu, Sheng-Yuan,Hirano, Naomi,Choi, Minho,Kang, Miju,A.Thompson, Mark,Fuller, Gary,Wu, Y Published by the University of Chicago Press for t 2017 The Astrophysical journal Supplement series Vol.228 No.2
<P>We observed 13 Planck cold clumps with the James Clerk Maxwell Telescope/SCUBA-2 and with the Nobeyama 45 m radio telescope. The N2H+ distribution obtained with the Nobeyama telescope is quite similar to SCUBA-2 dust distribution. The 82 GHz HC3N, 82 GHz CCS, and 94 GHz CCS emission are often distributed differently with respect to the N2H+ emission. The CCS emission, which is known to be abundant in starless molecular cloud cores, is often very clumpy in the observed targets. We made deep single-pointing observations in DNC, (HNC)-C-13, N2D+, and cyclic-C3H2 toward nine clumps. The detection rate of N2D+ is 50%. Furthermore, we observed the NH3 emission toward 15 Planck cold clumps to estimate the kinetic temperature, and confirmed that most targets are cold (less than or similar to 20 K). In two of the starless clumps we observed, the CCS emission is distributed as it surrounds the N2H+ core (chemically evolved gas), which resembles the case of L1544, a prestellar core showing collapse. In addition, we detected both DNC and N2D+. These two clumps are most likely on the verge of star formation. We introduce the chemical evolution factor (CEF) for starless cores to describe the chemical evolutionary stage, and analyze the observed Planck cold clumps.</P>
Interpretation of the 勿/毋+巳+V/(于)+N and Other Related Constructions in Shang Chinese: Part I
Ken-ichi TAKASHIMA 세계한자학회 2023 世界漢字硏究 Vol.6 No.2
This paper attempts to show that the word s? 巳(祀) used after the negative w? 勿 or w? 毋 functions as a “Vintransitive” (all the abbreviations and references used in this paper are given at the end of Part I). As such, it forms a VP, 勿/毋V1V2, where V2 is always one of the six “Type-A ritual Vs”—one being d?o 禱 ‘to pray’, the rest given in the paper. The semantic relationship between V1 (巳/祀) and V2 is closely examined. There are also inscriptions in which V1 is used before y? 于, a “multidirectional” preposition. This is labelled as “Nloc in the sense of ‘in, at’ (not ‘to, for’)” in the construction given in the title. The paper accounts for its motive principle. The paper argues that 巳/祀 is a Vaction meaning “conduct s?-providential ritual”. It was done at a place to seek divine direction and guidance from the deity or Power believed to have dwelt in situ. Originally presented in Takashima (2009a), this paper delves further into linguistic, philological, and cultural aspects of the 巳-ritual couched in the VP, 勿/毋V1(=巳/祀)V2. A major reason for its use is to contrast the 巳-ritual with other rituals and sacrifices. The details will be explained with examples. Part I covers “Examination I: Zh? Sh?ngy?’s Questions and Zh?ng Y?j?n’s Interpretation”. The paper answers the former and evaluates the latter. Part II begins with “Examination II: Qi? X?gu?’s Interpretation” and ends with the conclusions of the entire paper.
An economic analysis of the ‘‘Home Appliance Eco-Point System’’ in Japan
( Ken-ichi Akao ) 한국환경경제학회, 한국자원경제학회 ( 구 한국환경경제학회 ) 2016 한국환경경제학회 학술발표논문집 Vol.2016 No.하계
The Home Appliance Eco-Point System was a subsidy program implemented by the Japanese government from May 2009 to March 2011. The system has two features. First, the subsidy was provided in the form of eco-points that were only exchangeable for environmentally friendly goods. Second, it was a replacement subsidy program for durable goods with uncertain termination dates. We investigate the policy implications of these features. We show that if the eco-points are exchangeable for any goods (i.e., if a simple rebate program rather than an ecopoint system is implemented), the same outcome can be achieved at a lower subsidy rate and thus using fewer financial resources. Regarding the eco-point system as a replacement subsidy, we show that the uncertain termination has the same effect as an increase in the subsidy: both accelerate the replacement. Uncertainty is a substitute for a subsidy, thus saving the financial resources of the government. However, there are two welfare concerns: (a) acceleration may not be desirable in terms of the environment, and (b) it costs households their expected utility.