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Vital reactions to cortisone and carbon tetrachloride in both thymectomized group and nonthymectomized group (control group) of young and adult rabbits were studied histopathologically with the following results. 1) The body weight was decreased in both cortisone-administered and carbon tetrachloride-administered groups, but weight differences between the thymectomized group and the control group were not significant. 2) The histopathological changes of various organs resulting from the administration of massive doses of cortisone were more prominent in the thymectomized rabbits than those of the controls. However, no appreciable differences between young and adult rabbits were noted. 3) Hepatic degeneration, necrosis and fibrosis, resulting from administration of carbon tetrachloride in the thymectomized young and adult rabbits were more marked than those in the control group. In the former group, histopathological changes such as increase of the hepatic glycogen, atrophy of the lymphoid tissues, decreased lipid in the adrenal cortices and atrophy of the thyroid glands were noted while the control group usually did not show such alterations. No remarkable difference between the young and adult rabbits was found. 4) Marked vital reactions to cortisone and carbon tetrachloride were induced in the thymectomized rabbits and these effects of the thymus were noted in both young and adult rabbits.
본 논문에서는 기존의 방법과는 달리 4 단계의 보정 기법을 적용하여 미세한 적외선 (infrared : IR) 신호를 검출해내는 비냉각 적외선 센서 어레이를 위한 CMOS 신호 검출회로를 제안한다. 제안하는 신호 검출회로는 11 비트의 A/D 변환기 (analog-to-digital converter : ADC)와 7 비트의 D/A 변환기 (digital-to-analog converter : DAC), 그리고 자동 이득 조절 회로 (automatic gain control circuit : AGC)로 구성되며, 비냉각 센서 어레이를 동작시키는 DC 바이어스 전류 성분, 화소간의 특성 차이에 의한 변화 성분과 자체 발열 (self-heating)에 의한 변화 성분을 포함하는 적외선 센서 어레이의 출력 신호로부터 미세한 적외선 신호 성분만을 선택적으로 얻어낸다. 제안하는 A/D 변환기에서는 병합 캐패시터 스위칭 (merged-capacitor switching : MCS) 기법을 적용하여 면적 및 전력 소모를 최소화하였으며, D/A 변환기에서는 출력단에 높은 선형성을 가지는 전류 반복기를 사용하여 화소간의 특성 차이에 의한 변화 성분과 자체 발열에 의한 변화 성분을 보정할 수 있도록 하였다. 시제품으로 제작된 신호 검출회로는 1.2 um double-poly double-metal CMOS 공정을 사용하였으며, 4.5 V 전원전압에서 110 mW의 전력을 소모한다. 제작된 시제품으로부터 측정된 검출회로의 differential nonlinearity (DNL)와 integral nonlinearity (INL)는 A/D 변환기의 경우 11 비트의 해상도에서 ±0.9 LSB와 ±1.8 LSB이며, D/A 변환기의 경우 7 비트의 해상도에서 ±0.1 LSB와 ±0.1 LSB이다. This paper proposes a CMOS readout circuit for uncooled micro-bolometer arrays adopting a four-point step calibration technique. The proposed readout circuit employing an 11b analog-to-digital converter (ADC), a 7b digital-to-analog converter (DAC), and an automatic gain control circuit (AGC) extracts minute infrared (IR) signals from the large output signals of uncooled micro-bolometer arrays including DC bias currents, inter-pixel process variations, and self-heating effects. Die area and power consumption of the ADC are minimized with merged-capacitor switching (MCS) technique adopted. The current mirror with high linearity is proposed at the output stage of the DAC to calibrate inter-pixel process variations and self-heating effects. The prototype is fabricated on a double-poly double-metal 1.2 um CMOS process and the measured power consumption is 110 mW from a 4.5 V supply. The measured differential nonlinearity (DNL) and integral nonlinearity (INL) of the 11b ADC show ±0.9 LSB and ±1.8 LSB, while the DNL and INL of the 7b DAC show ±0.1 LSB and ±0.1 LSB.
The purpose of this study is to identify the independence and substantiality of prefixes. Affixes are bound morphemes, not free morphemes, and belong to grammatical morphemes rather than lexical morphemes. However, prefixes belonging to subcategories of affixes often have lexical meanings that are difficult to distinguish from general roots, and at the same time, they are used freely from the roots. The independence and substantiality of these prefixes have been the main cause for discussion of the categorization and scope of the prefixes. This paper attempts to quantitatively study the prefix’s independence and substantiality by analyzing the prefix appearing in The new Yonsei written corpus. A total of 34 prefixes were found in The new Yonsei written corpus. Twenty-one of the 34 prefixes have been segmented with nouns at least once, and in particular, all the high ten prefixes have been found to be segmented with nouns. And every prefix has substantial meaning. As a result, it turned out that independence is a concept of degree and that all prefixes have substantiality. .
Review of Literature on Languor and fatigue. According to comparative studies of Oriental and Western medical Literature on the Languor and fatigue on causes and symptom, flowing results were obtained. 1. Common etiologies of the Languor and fatigue in Western medicine are firstly exhaustion of energy, secondly variation of control center-neurotic and body fluid control-, thirdly variation of a living body physico chemical state, forthly production of middle metabolic product, fifthly psychological instability. 2. The expression of the Languor and fatigue in Oriental medicine are consumption, dificiency of vital energy(氣虛), illness caused by overexertion and dificiency of essence of life(精虛). The caure of the Languor and fatigue are dificiency in spleen and stomach(脾胃虛弱), dificiency of both the lung and kidney(肺腎兩虛), the six excessive(六淫), irregular life and excessive mental labor. 3. The symptomes of the Languor and fatigue in western medicine are systemic feeling of fatigue, dislike of work, Dizziness, general fatigue, anorexia, painful body, nerveous prostration. anxiety and decrese of energy, and in oriental medicine dificiency of vital energy, general pain, sinking of vital energy(氣虛下階) in adequate nutrition, confusion and slow speaking.