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노동공급 의사(자발성)를 중심으로 한 비정규직 정책 제언
김주봉 한국여성경제학회 2023 여성경제연구 Vol.19 No.4
According to the results of this study, even workers within the same group of non-standard work arrangements are under different types of employment, and their working conditions vary depending on the worker’s intention (voluntariness) behind choosing the work arrangement. This suggests that non-standard workers under different types of employment and those who chose non-standard work arrangement voluntarily and involuntarily are different policy targets. Over the past decade, the proportion of voluntary non-standard workers has increased up to 60%, and their working condition such as wages was not different from that of involuntary standard workers. This finding suggests that providing job seekers, including women, youths, and the elderly, with the opportunity to voluntarily choose between various types of employment is more important than enacting a regulation or policy aimed solely at reducing the total number of non-standard workers. Policies protecting non-standard workers can only be effective when the beneficiaries are clarified. As such, I would like to emphasize that while it is important for policies to protect workers under various employment types including those under non-standard work arrangement based on social consensus, it is also desirable for the policies to specify their targets in consideration of the worker’s job choice intent, and resolve unreasonable gaps and discrimination regarding of workers, and prevent abuse of non-standard workers, regardless of the scope of non-standard workers. 본 연구 결과에 따르면, 동일한 비정규직 범주 안에 있는 근로자라도 이질적 고용형태로 구성되어 있을 뿐 아니라, 일자리선택 동기(자발성)에 따라 비정규직의 근로실태는 상이하다. 이는 현행 비정규직 범주에 속해 있는 서로 다른 고용형태의 근로자, 그리고 자발적인 비정규직과 비자발적인 비정규직은 서로 다른 정책 대상으로 볼 수도 있음을 시사한다. 자발적으로 비정규직을 선택한 자의 비중은 증가하여 60%에 달하고 있으며, 임금 등 처우에 있어 비자발적 정규직과 크게 차이 나지 않았다. 이러한 결과는 단순히 비정규직 총량에 대한 양적 축소 정책보다는 여성, 청년, 고령 등 취업 희망자들에게 자발적으로 다양한 고용형태를 선택할 수 있는 기회 제공도 중요함을 시사한다. 필자는 비정규직 등 다양한 고용형태종사자 보호를 위한 정책 방향은 사회적 공감대하에 추진하되, 비정규직의 범위가 어떻게 결정되든 근로자의 일자리선택 동기(자발성)를 고려하여 정책 대상을 구체화하고 이들을 대상으로 불합리한 격차 해소, 남용 방지 등에 집중함이 바람직함을 강조한다.
Bubble Column 에 있어서의 Gas Hold - up 에 미치는 부유물의 영향에 관한 연구
김주봉,손진언,김상열 한국화학공학회 1971 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.9 No.1
The effect of the solid suspension to the gas hold-up in the bubble column was studied where by; (1) The relation between the gas velocity (U_G) and the gas hold-up (1-φ) in the independent bubble flow range (U_G≒0∼7 ㎝/sec) at different specific gravity of solid suspension and its weight was linear, while in the blow up flow range of bubbles the gas hold-up was constant to the gas velocity. (2) In the independent bubbles flow range, the relation among the gas hold-up (1-φ), the specific gravity (ρ) of solid suspension and its weight (W), the gas velocity (U_G) appeared as follows; (1-φ)=0.3567ρ-3.044W-0.4726U_G
김주봉 한국화학공학회 1971 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.9 No.2
The relation between the molar velocity (N), vapor pressure (P_s, P_k.) and mass transfer coefficient (k_g) in the sublimato-tube was studied where by; (1) The results of the calculation through Langmir's equation by the experimental data of heating temperature (t_h), vacuum condensing point (V. C. P), molar velocity of sublimation (N) are shown as follows; P_h/P_s=γ, P_h=γP_s (2) The relation between the vapor pressure (P_s) at the vacuum condensing point, γP_s at the heating temperature and the sublimation velocity (G) was linearly coincident, that is log P_s^n=kG n=0.835∼0.98 log(γP_s)^n'=k'G n'=1.0∼1.51 (3) The relation between the vacuum condensing point and the molar velocity of sublimation was also linear as figure 5. It was shown that we could get the vacuum condensing point by the calculation through the experimental measurement of the velocity of sublimation. (4) The relation between the molar velocity of sublimation, diffusion coefficient, and mass transfer coefficient; The results of the calculation for k_g of Anthracene (D_o=0.0421) through Fick's law at the steady state in the sublimato-tube appeared as table 6 and it was shown that some experimental correcting factor β is necessary between equation(5) and (7). According to the results of the calculation on the correcting factor β, J factor of mass transfer becomes as equation(10).