element theory
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2021 ◽  
Vol 2137 (1) ◽  
pp. 012057
Author(s):  
Yong Li ◽  
Laibin Yin ◽  
Ping Heng

Abstract Aiming at the problem of transformer condition evaluation, a comprehensive evaluation system for transformer noise is constructed according to the mechanism of transformer noise generation and propagation. Using matter-element theory and AHP, a state analysis method for transformer noise evaluation based on AHP matter-element model is proposed. The case analysis proves that the method is feasible for non-contact evaluation of transformer faults, and can accurately evaluate the state of the transformer, providing guidance for the operation and maintenance of the transformer.


2021 ◽  
Vol 13 (2) ◽  
pp. 309-332
Author(s):  
Ori Shachmon ◽  
Noam Faust

Abstract A group of Arabic dialects in Yemen exhibit a velar k in the subject suffixes of the perfect paradigm. The 1sg subject suffix surfaces in the various dialects as -ku, -k or -kw. In addition, the vocalization of the base may or may not be colored with a round vocalic quality, depending on both the realization of the suffix and the verbal type faʿal or fiʿil. Based on inquiries among speakers from Lower Yemen, we propose a path of evolution that leads from -ku to the labialized -kw, to a “colored” stem, and finally to the grammaticalization of coloration and loss of labialization. Two pressures propel the passage between stages: a functional pressure to distinguish between 1sg and 2msg, and a phonological pressure to avoid monopositional final vowels. The phonological pressure is shown to also motivate palatalization in the 2fsg -ki ⇒ -ky (⇒ -š), as well as the effect of pre-pausal nasal insertion, viz. -ku ⇒ -kum# and -ki ⇒ -kiŋ#. We further show that final vowels resulting from the interaction of the subject suffixes with object clitics are phonologically long—even if phonetically neutralized—and hence they do not violate the phonological requirement. The formal theories of strict CV (Lowenstamm 1996, Scheer 2004) and Element Theory (Kaye et al. 1985) are used to explain the a-synchronized development in the different verbal patterns, as well as the extent of the phonological ban on monopositional vowels.


2021 ◽  
Vol 14 (4) ◽  
pp. 388-398
Author(s):  
Shilpa Datar

This article explains the steps followed in developing psychometric personality assessment tests from the Indian psychological/Vedic perspective while also mentioning the psychometric properties of the scales. Its numerous publications in peer-reviewed journals are by itself an acceptance of the validity and reliability of the scale, along with the accreditation obtained from concerned certifying authorities in India. Additionally, its use in multiple academic and research organisations both in India and abroad throws up interesting possibilities using Indian psychological concepts can offer solutions to, being relevant to all peoples of the world today, as they were from times immemorial. The article draws attention to the multiple applications that the five-element theory of personality understanding offers and explores how this can used in organisations to provide for higher retention of employees, better employee engagement and higher cohesiveness and cultural fit amongst teams within organisations, especially when they are integrated in the recruitment processes itself.


2021 ◽  
Vol 13 (17) ◽  
pp. 9632
Author(s):  
Qingfu Li ◽  
Zhipeng Wang ◽  
Linfang Lu ◽  
Qiang Ma

In the process of economic development, the exploitation and utilization of resources has played an important role, but the subsequent post-mining collapse and the shortage of land resources have affected future reconstruction to a certain extent. Currently, there is a firm belief in sustainable development and its goals to be achieved in the future. Based on the concept of sustainable development, this paper examines the feasibility of rebuilding channels under adverse geological conditions, and studies whether there are risks and the degree of risk. According to the characteristics of the experts’ judgment language and the ambiguity and randomness between various factors, it is proposed that a cloud model is used to improve the AHP (Analytic Hierarchy Process) risk assessment method. At the same time, the traditional matter–element theory is improved through the cloud model, so that the impact of uncertainty and randomness can be comprehensively considered in the evaluation; finally, forming the risk assessment system of the cloud-based AHP and cloud-based matter–elements. The application of examples shows that, compared with the methods in the relevant literature, the evaluation results of this article are more objective, more accurate, have better applicability, and play an important guiding role in channel construction under adverse geological conditions.


Geofluids ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Jianghui He ◽  
Shiliang Liu ◽  
Wenping Li ◽  
Wei Qiao ◽  
Zhi Yang ◽  
...  

The environmental evaluation of the coalface in underground mining is of great significance to the safety of production and the health of miners. In order to achieve the objective and accurate evaluation of the operating environment of the coalface, the indexes of temperature, humidity, noise, illuminance, dust, harmful gas, and wind speed are selected to construct the environment evaluation index system, and the operating environment evaluation model of the coalface based on analytic hierarchy process (AHP) and matter-element theory (MET) is established. Firstly, the operation environment classification criterion is established; the environment objects, joint domain, and classical domain mater-element are built; and the correlation function is calculated. Secondly, the comprehensive correlation matrix is calculated and the environmental grade is judged. Finally, from the broad point of view, three measures are proposed to improve the operation environment of the coalface: development of the environmental evaluation index monitoring system, improvement on miners’ safety awareness, and formulation of regulations and policies for coal mine operation environment. The research results can provide guidelines for miners, coal mining enterprises, and occupational environmental safety departments.


Author(s):  
Shanti Ulfsbjorninn

This paper begins by presenting and strengthening the labial-velar hypothesis with a novel interpretation of the allophonic distributions of labials and velars in Lusoga (Hyman 2017). The labial-velar hypothesis is an Element Theory proposal that labial (Lab) and dorsal (Dors) consonants are marked by same ‘dark’ place feature |U| (akin to Jakobson & Halle’s (1956) grave). According to this hypothesis, the only difference between Lab and Dors members of any class (say stops) is that Lab is the headed manifestation of |U|, while Dors is the headless version of the same element (Backley & Nasukawa 2009). This, hypothesis however, leads to the strange statement that labial-velar segments such as the labial-velar ‘double’-stop (KP), which would appear to be headless and headed at the same time. What follows is an exploration of the term ‘headedness’ in phonology. Building on the positives of previous approaches, and pairing back the assumptions to the first principles of combination (Merge), I come up with a novel theory of headedness and segment-internal structure: Bare Element Geometry (BEG). The labial-velar hypothesis in light of BEG will then be applied to KP. In order to obtain the right representation for labial-velar ‘double’-stops (KP), it is necessary to precisely understand KP’s distribution and behaviour. Especially because I will reveal some previously unappreciated facts about these segments. In opposition to the classical literature (and all previous accounts known to me), I will conclude that KP is composed of two ordered root nodes, each with a separate place feature. This is based on a detailed typological study and phonological interpretation of attested and unattested nasal + KP assimilation patterns, as well as a novel interpretation of some obscure nasalization facts of KP in Guere (Western Kru). This conclusion that KP has two ordered root nodes is what allows BEG’s model of headedness to interpret a feature as simultaneously headed and headless in different parts of a segment. Moreover, it correctly predicts Cahill (1999)’s empirical observation that KP is universally headed by Labial.


Aerospace ◽  
2021 ◽  
Vol 8 (7) ◽  
pp. 183
Author(s):  
Yongjie Liu ◽  
Yu Jiang ◽  
Hengnian Li ◽  
Hui Zhang

This paper intends to show some special types of orbits around Jupiter based on the mean element theory, including stationary orbits, sun-synchronous orbits, orbits at the critical inclination, and repeating ground track orbits. A gravity model concerning only the perturbations of J2 and J4 terms is used here. Compared with special orbits around the Earth, the orbit dynamics differ greatly: (1) There do not exist longitude drifts on stationary orbits due to non-spherical gravity since only J2 and J4 terms are taken into account in the gravity model. All points on stationary orbits are degenerate equilibrium points. Moreover, the satellite will oscillate in the radial and North-South directions after a sufficiently small perturbation of stationary orbits. (2) The inclinations of sun-synchronous orbits are always bigger than 90 degrees, but smaller than those for satellites around the Earth. (3) The critical inclinations are no-longer independent of the semi-major axis and eccentricity of the orbits. The results show that if the eccentricity is small, the critical inclinations will decrease as the altitudes of orbits increase; if the eccentricity is larger, the critical inclinations will increase as the altitudes of orbits increase. (4) The inclinations of repeating ground track orbits are monotonically increasing rapidly with respect to the altitudes of orbits.


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