Results 121 to 130 of about 96,471 (287)

One century of teaching, research, and innovation in chemical engineering in Mexico: The role of chemical engineering in the background and future of polymer science and industrial production in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas   +2 more
wiley   +1 more source

Prediksi Jumlah Nilai Impor Sumatera Utara Menurut Negara Asal Menggunakan Algoritma Backpropagation

open access: yesTechno.Com, 2018
Dalam memenuhi kebutuhan dalam negeri, pemerintah mesti melakukan kegiatan ekonomi Internasional salah satunya impor. Impor adalah proses transportasi barang atau komoditas dari suatu Negara ke Negara lain secara legal.
Indri Sriwahyuni Purba, Anjar Wanto
doaj  

One hundred years of teaching, research, and innovation in chemical engineering at the Faculty of Chemistry, National Autonomous University of Mexico (UNAM): Birthplace and enduring leadership of the discipline in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
The teaching of chemical engineering in Mexico started in 1925 at the Faculty of Chemistry (FQ) of the National Autonomous University of Mexico (UNAM). Academic institutions, research centres, chemical companies, technological developments, highly trained personnel, and scientific contributions are part of the legacy from FQ‐UNAM.
Patricia Pérez‐Salinas   +4 more
wiley   +1 more source

Irregular visits in longitudinal studies: Comparing inverse intensity of visit weighting and imputation in a causal analysis of antidepressant therapeutic treatment

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract Irregular observation times are common in longitudinal observational studies and can affect causal inferences. We use data from electronic health records of Kaiser Permanente Washington patients in the United States who initiated an antidepressant medication between 2008 and 2018, with a confirming diagnosis of depression. We are interested in
Janie Coulombe   +2 more
wiley   +1 more source

Model selection for causal inference in missing exposure problems

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In causal inference, properly selecting the propensity score (PS) model is an important topic and has been widely investigated in observational studies. However, there are very few studies investigating the model selection issue for causal inference when the exposure is missing at random (MAR). When the exposure variable contains missing data,
Yuliang Shi, Yeying Zhu, Joel A. Dubin
wiley   +1 more source

ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI IMPOR SUSU DI INDONESIA [PDF]

open access: yes
Penelitian ini bertujuan untuk menganalisis pengaruh Produksi, Harga dalam Negeri, Harga Impor, Produk Domestik Bruto dan Kurs terhadap Impor Susu di Indonesia periode. Penelitian ini menggunakan metode analisis deskriptif kuantitatif.
Dwinaros, Simanjuntak
core   +1 more source

PERMINTAAN AGGREGAT IMPOR INDONESIA DARI SISI KOMPONEN PENGELUARAN: PENDEKATAN ARDL [PDF]

open access: yes, 2016
PERMINTAAN AGGREGAT IMPOR INDONESIA DARI SISI KOMPONEN PENGELUARAN: PENDEKATAN ARDLOleh : Hidayatul AkmalNim : 1409200010027Pembimbing:1. Dr. Aliasuddin, M.Si2. Dr.
HIDAYATUL AKMAL
core  

How to Optimize Healthy Volunteer Screening and Enrolment in Clinical Trials: A Qualitative and Quantitative Approach to Evaluate Processes and Healthy Volunteers' Perceptions

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Healthy volunteers (HVs) are essential for phase I trials, yet their recruitment and screening remain resource‐intensive and ethically complex. High screening failure (SF) rates highlight the need to evaluate and understand all aspects of the enrolment processes. We analyzed SF patterns in a large German HV cohort and explored participants' motivations,
Evelyn Krohmer   +10 more
wiley   +1 more source

Penegakan Hukum Terhadap Pelaku Usaha Pakaian Bekas Impor Ilegal Di Kota Batam

open access: yesDelicti
Perdagangan dan impor pakaian bekas dilarang berdasarkan Undang-Undang Nomor 7 Tahun 2014 tentang Perdagangan dan Undang-Undang Nomor 17 Tahun 2006 tentang Kepabeanan karena menimbulkan dampak negatif terhadap perekonomian nasional, kesehatan masyarakat,
Wahyu Pradipa Putra Pratama   +2 more
doaj   +1 more source

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