A New Method of Identifying Key Industries: A Principal Component Analysis

This article using the principal components analysis identifies key industries and groups them into particular clusters. The data come from the US benchmark input-output tables of the years 2002, 2007, 2012 and the most recently published input-output table of the year 2019. We observe some intertemporal switches of industries both between and within the top clusters. The findings further suggest that structural change is a slow moving process and it takes time for some industries to move from one cluster to the other. This information may be proved important in the designation of effective economic policies by targeting particular industries and also for the stability properties of the economic system.JEL classifications: B24, B51, C67, D46, D57, E11, E32

The Structure and Crystallizing Process of NiAu Alloy: A Molecular Dynamics Simulation Method

This paper studies the influence of factors such as heating rate, atomic number, temperature, and annealing time on the structure and the crystallization process of NiAu alloy. Increasing the heating rate leads to the moving process from the crystalline state to the amorphous state; increasing the temperature (T) also leads to a changing process into the liquid state; when the atomic number (N), and t increase, it leads to an increased crystalline process. As a result, the dependence between size (l) and atomic number (N), the total energy of the system (Etot) with N as l~N−1/3, and −Etot always creates a linear function of N, glass temperature (Tg) of the NiAu alloy, which is Tg = 600 K. During the study, the number of the structural units was determined by the Common Neighborhood Analysis (CNA) method, radial distribution function (RDF), size (l), and Etot. The result shows that the influencing factors to the structure of NiAu alloy are considerable.

Conclusion

This chapter draws upon the evidence presented in the book and provides four broad conceptual points. First, it argues that the institutional change is a result of an incremental, slow-moving process of ‘ideas’ emerging endogenously from within the state resulting in a ‘tipping point’. Second, it points towards the role of ideas within the state. Third, it shows the complementarity of the State and society and stresses on the significance of an epistemic network. Fourth, the influence of global norms is acknowledged but needs to be seen in conjunction with the endogenous socio-political processes at the domestic level. These arguments tie the chapters together conceptually and provide a roadmap for future research on the subject.

Breakthrough on Routine Service Cycle Time Improvement – Leap Frog Concept, Duri Field, Indonesia

Leap frog concept was created to address the loss of single joint rig agility and drive the cycle time average lower than ever. The idea is to move the preparation step into a background activity that includes moving the equipment, killing the well, dismantling the wellhead and installing the well control equipment/BOP before the rig came in. To realize the idea, a second set of equipment is provided along with the manpower. By moving the preparation step, the goal is to eliminate a 50% portion of the job from the critical path. The practice is currently performed in tubing pump wells on land operations. However, the work concept could be implemented for other type of wells, especially ESP wells. After implementation, the cycle time average went down from 18 hours to 11 hours per job, or down by ~40%. The toolpusher also reports more focused operations due to reduced scope and less crew to work with, making the leap frog operation safer and more reliable. Splitting the routine services into 2 parts not only shortened the process but it also reduces noise that usually appear in the preparation process. The team are rarely seen waiting on moving support problems that were usually seen in the conventional process. Having the new process implemented, the team had successfully not only lowered cycle time, but also eliminated several problems in one step. Other benefits from leap frog implementation is adding rig count virtually to the actual physical rig available on location, and also adding rig capacity and completing more jobs compared to the conventional rig. In other parts, leap frog faced some limitation and challenges, such as: limited equipment capability for leap frog remote team to work on stuck plunger, thus hindering its leap frog capability, and working in un-restricted/un-clustered area which disturb the moving process and operation safety.

A temporal gaze towards academic migration: Everyday times, lifetimes and temporal strategies amongst early career Chinese academic returnees

Drawing on semi-structured in-depth biographical interviews with 60 early career Chinese academic returnees, this paper examines the temporal challenges involved in the personal and professional lives of mobile scholars. The key premise is that academic migration process may create temporal resources and opportunities for scholars to pursue career progressions and upward social status, but can also generate temporal constraints in their everyday life, bringing disruptions and discontinuities into their life course timelines. This paper highlights the temporal consequences of academic migration in relation to two perspectives: everyday times and individual lifetimes. Particularly, it also investigates how some returnees exercise agency and employ temporal strategies to alleviate the temporal dissonance produced in and through their moving process. This paper aims to demonstrate whether and how individual scholars confront temporal struggles on a daily basis and reconfigure life course trajectories while negotiating uneven academic mobility regimes. In doing so, the paper develops a temporally sensitive theoretical approach and unpack the multiple kinds of temporalities of academic labour in a cross-border setting, thus further advancing two streams of literature—academic migration and time in migration. Furthermore, it has drawn attention to the growing trend of temporariness and precariousness occurring in modern academia, especially in the context of migration. By examining the temporal tensions academic migrants encounter, this paper answers the call to reconsider the overly romantic engagements with academic mobilities and contributes to a more comprehensive understanding of the mobility experiences of the highly skilled.

Iterative Identification of Discrete-Time Systems With Bilinear Forms in the Presence of Colored Noises Based on the Hierarchical Principle

The paper focuses on the identification of discrete-time bilinear forms in the special case when the external noise (disturbance) is an autoregressive average moving process. The proposed estimation procedure is iterative where, at each iteration, two sets of parameter vectors are estimated interactively. Using the hierarchical technique, a hierarchical generalized extended least squares-based iterative (H-GELSI) algorithm is proposed for avoiding estimating the redundant parameters. In contrast to the hierarchical generalized extended gradient-based iterative (H-GEGI) algorithm, the proposed algorithm can give more accurate parameter estimates. The main results derived in this paper are verified by means of both the computational efficiency comparison and two numerical simulations.

Formation of anti-corruption legal consciousness of state and municipal officials of Russia

The article is devoted to the state of public legal consciousness of society as a whole, and one of its strata – the governing elite, state and municipal officials, regarding issues related to corruption in Russia. On the way of movement of the Russian state to the civilized principles of construction of modern society there are a lot of difficulties, which should be overcome both by the state power, and the Russian citizens. Such problems are: stereotypical thinking, traditionally forming a neutral and tolerant attitude of Russians to the manifestations of corruption; lack of strict state control of corruption actions of the ruling elite; resistance of the ruling class to the spread of international requirements for the state to fight against corruption, and so on. Bringing Russian anti-corruption legislation into requirements of compliance with the rule of law is a slow-moving process, but the need to improve it has become an urgent need not only for the Russian Federation, but also for the Supreme power.