On Browsing Domain Ontologies for Information Base Content

2007 ◽  
pp. 135-144 ◽  
Author(s):  
Troels Andreasen ◽  
Henrik Bulskov
Keyword(s):  
Information Base ◽  
Base Content ◽  
Domain Ontologies

PENGARUH PELARUT KLOROFORM DALAM PEMURNIAN GLISEROL DENGAN PROSES ASIDIFIKASI ASAM KLORIDA

2016 ◽  
Vol 5 (3) ◽  
pp. 38-43
Author(s):  
Windi Monica Surbakti ◽  
Gerson Rico M.H ◽  
Mersi Suriani Sinaga
Keyword(s):  
Fatty Acid ◽  
Volume Ratio ◽  
Biodiesel Production ◽  
Extraction Time ◽  
Glycerol Concentration ◽  
Purification Process ◽  
Soap Content ◽  
Test Volume ◽  
Base Content ◽  
Water Salt

Glycerol as a byproduct of biodiesel production was approximately formed 10% of the biodiesel weight. Impurities which contained in the glycerol such as catalyst, soap, methanol, water, salt, and matter organic non glycerol (MONG) have a significant effect on the glycerol concentration. So, it is necessary to treat the impurities. The purpose of this study is to know the effect of chloroform to glycerol purification process with acidification method using hydrochloric acid as pretreatment process. This research was begun with acid addition to the glycerol to neutralize the base content and to split the soap content into free fatty acid and salt, that are more easily separated from glycerol. Then the process was continued with extraction by the solvent chloroform using the variable of test volume ratio (v/v) (1:1, 1:1.5, 1:2)  and the extraction time (20, 40, and 60 minutes). The results showed that the more volume of solvent used, gave less extraction time to produce high purity of glycerol. The highest purity produced in this study amounted to 90,9082% is obtained at the ratio of the volume solvent (v/v) 1:1 with extraction time 60 minutes.

Structuring the Information Base on Production Losses in the Conditions of Effective Production Management

2019 ◽  
pp. 169-176
Author(s):  
Viktor P. Kuznetsov ◽  
Igor E. Mizikovsky ◽  
Ekaterina P. Garina ◽  
Elena V. Romanovskaya ◽  
Natalia S. Andryashina
Keyword(s):  
Production Management ◽  
Information Base ◽  
Production Losses

scholarly journals Modification of brain deoxyribonucleic acid base content with maturation in normal and malnourished rats

1976 ◽  
Vol 155 (3) ◽  
pp. 709-712 ◽  
Author(s):  
N W Penn
Keyword(s):  
Rat Brain ◽  
Deoxyribonucleic Acid ◽  
Protein Diet ◽  
Acid Base ◽  
Base Content ◽  
Normal Increase

The mol percentage of 5-hydroxymethylcytosine is 2.2 times greater in the adult than in 2-day-old rat brain DNA. The concentration of 5-hydroxymethylcytosine falls in corresponding liver DNA preparations. This normal increase in brain 5-hydroxymethylcytosine is abolished in rats placed on an 8%-protein diet 5 days after birth.

Your Chemical Information Base

1970 ◽  
Vol 42 (14) ◽  
pp. 64A-64A
Keyword(s):  
Chemical Information ◽  
Information Base

A Fast, Small, and Dynamic Forwarding Information Base

2017 ◽  
Vol 45 (1) ◽  
pp. 41-42
Author(s):  
Ye Yu ◽  
Djamal Belazzougui ◽  
Chen Qian ◽  
Qin Zhang
Keyword(s):  
Information Base ◽  
Forwarding Information Base
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