1,447 research outputs found
Perancangan Dan Pembuatan Aplikasi Ecommerce Pada Toko Agung Jaya
Perkembangan teknologi pada saat ini telah berkembang secara pesat. Dimana hampir semua kegiatan dapat dilakukan pada dunia maya, misalnya melakukan transaksi pembayaran, pembelian barang, pemesanan tiket, baik tiket pesawat maupun tiket kereta api, dan lainnya.Di jaman sekarang ini penjualan secara online sudah banyak. Hal ini dikarenakan untuk membuka suatu USAha online lebih mudah dan murah dari pada membuka USAha disuatu tempat yang berbentuk bangunan. Selain itu, dengan cara berjualan online orang akan lebih banyak mengetahui barang apa saja yang dijual, karena semua orang dapat melihat tanpa harus mendatangi tempat itu.Berdasarkan hasil pengujian aplikasi yang telah dibuat, aplikasi dapat menampilkan data barang yang dijual beserta promo yang ditawarkan. Selain itu aplikasi ini mempunyai fitur konfirmasi account untuk mengaktifkan account dan kirim detail order
Toward Nanoscale Organic Tunnel Field-Effect Transistors with Small Subthreshold Swing and High On-State Current: A Computational Design Based on Two-Dimensional Covalent-Organic Frameworks
We
report a computational study on the possibility of designing
nanoscale organic tunnel field-effect transistors (OTFETs) with a
subthreshold swing (SS) much smaller than 60 mV/dec and on-state current
(Ion) much larger than that of conventional
organic field-effect transistors. The OTFETs are designed on the basis
of two-dimensional metallophthalocyanine covalent-organic frameworks
(2D MPc-COFs) by employing first-principles and quantum-transport
approaches in the ballistic-transport regime. The designed OTFETs
with architecture of the van der Waals heterojunction manifest themselves
with SS as small as 21 mV/dec and Ion as
large as 887.5 μA/μm. These devices outperform most tunnel
field-effect transistors reported in the literature and fulfill the
IRDS (International Roadmap for Devices and Systems) requirement for
both high-performance (HP) and low-power (LP) devices. We reveal that
2D MPc-COFs with moderate band gaps are highly required to optimize
the device performance. This study provides an insight into the promising
application of 2D COFs beyond conventional organic materials in the
rational design of HP and LP nanoscale OTFETs
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International crude oil prices has become one of the important factors that affect exchange rate fluctuation. By combining TVP-VAR model and DY time-varying spillover index, this paper measures the two-way fluctuation spillover effect between international crude oil prices and RMB exchange rate from 2011 to 2022. The research results show that: (1) There are obvious time-varying characteristics among international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate, and they are strengthened when major events occur at home and abroad; (2) The spillover and absorption level among international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate is relatively limited; (3) After the “exchange rate reform on August 11”, the market participation of RMB exchange rate has increased year by year, and the offshore RMB is mainly net spillover, while the onshore RMB is mainly reflected as a recipient; (4) The offshore RMB exchange rate has a driving effect on the onshore RMB exchange rate. Based on this, it is necessary to orderly promote the development and utilization of new energy, actively promote the market-oriented reform of RMB exchange rate, play the leading role of offshore market, and accelerate the construction of crude oil-RMB settlement system.</div
Supplemental Material - How Institutions Communicate Change: Casuistry and Loosely Coupled Change in China’s Market Transformation
Supplemental Material for Casuistry and Loosely Coupled Change in China’s Market Transformation by Yuan Li, and Roy Suddaby in Management Communication Quarterly</p
Descriptive statistics of variables and unit root test.
Descriptive statistics of variables and unit root test.</p
The overall frequencies of the AA combination groups at Pgi AA sites Animal373 and Animal472.
The overall frequencies of the AA combination groups at Pgi AA sites Animal373 and Animal472.</p
Total spillover index of international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate (%).
Total spillover index of international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate (%).</p
Net spillover index of international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate (%).
Net spillover index of international crude oil prices, onshore RMB exchange rate and offshore RMB exchange rate (%).</p
A Study on the Origin of the Radical in Fullerene and Graphene
We
reported the electron spin resonance (ESR) signal in neutral
low band gap semiconductors and C<sub>60</sub> in the Li Y., J. Phys. Chem.
C 2017, 121, 8579–8588. Herein, further investigation
on the origin of the radical of fullerene and its derivatives was
conducted, and we proposed an open-shell diradical ground state of
C<sub>60</sub> and its derivatives for the first time in this work.
The radicals of fullerene are usually acknowledged as their impurities
or radical cations/anions. Diradical ground states in polycyclic aromatic
hydrocarbons including the zethrene family and others with fused five-/six-member
rings motivate us to investigate the other potential origin of the
radicals of fullerene. C<sub>60</sub> has 1812 sets of resonance structures,
which is the key factor to stabilize its diradicals. Numerous sets
of resonance structures and excellent electron delocalization of graphene
play as the key factors in stabilizing its diradicals. The previously
claimed ESR-silent C<sub>60</sub> after sublimation is due to the
four-member ring formation and further self-polymerization. C<sub>60</sub> with higher purity exhibited a higher ESR signal intensity,
and this further confirmed that the ESR might not come from the impurity.
Previously published work confirmed the radical is not from a radical
cation/anion; our proposal of the radical of fullerene is reasonable
in understanding its basic properties. Moreover, the radical origin
of graphene is also proposed similarly
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