Dampak Peningkatan Asset, Profitabilitas Dan Likuiditas Terhadap Leverage Perusahaan

Every public company is required to submit financial statements audited by public accountant every year. This study examines the effect of the increase in assets, increase in profitability and increase in liquidity on leverage of public companies in the trade, services and investment sector, which are listed on the stock exchanges of Indonesia. This study used multivariate equation model. The study found that the increase in assets providing a positive influence but not significant. The increase in profitability provides positive influence and significant, while the increase in liquidity provides negative effect significantly

RDV Technology for Future European Space Missions

The development of a prototype on board software package for autonomous rende~vous operations belongs to one bf the key elements of ESA sponsored rendez~vous development activities in which MBB/ERNO is strongly involved. General guidelines~ control algorythms and the software.architecture, were principal tasks which have been completed before detailed de~ign,coding and. verification tests were started. lt is expected that the Columbus missions with enhanced EURECA, MTFF (Man tended free flyer) and HERMES will benefit from the experience gained from thi~ ESA RVD technology ~rogram. On orbit ser~icing of EURECA at the USSS or at the station . vicinity by NSTS will need partial or complete rendez-vous, capabilities

Analisis Pengaruh Rasio ROA, LDR, NIM dan NPL terhadap Abnormal Return Saham Perbankan di Indonesia pada Periode Sekitar Pengumuman Subprime Mortgage

Information has strongly influenced the capital market condition. The information could come from internal company as well as external parties. If an event contains information, usually the market will react at the time information is revealed to the market. An event study method could be used to test the content of information from the event. Like other market, Bursa Efek Indonesia is related to some information. This research analyzes the USA mortgage sub-prime effect on the banking stocks in Indonesia. The reaction from market could be seen in return abnormal changes in 7 days before and after the announcement. A sample of 26 banking stocks is chosen for this research to test the effect of USA sub-prime mortgage on banking stocks in Indonesia, particularly on its Return On Assets (ROA), Loan to Deposit Ratio (LDR), Net Interest Margin (NIM) and Non Performing Loan (NPL) with t-test and multiple regression. The result shows the abnormal returns of banking stocks at BEI are significantly influenced by USA sub-prime mortgage except 5 days and 1 day before the announcement and 1 day and 6 days after. The banking performances, ROA and NPL, are also affected by the USA sub-prime mortgage

Derivatisasi Morfin Menggunakan Dansil Klorida untuk Meningkatkan Kepekaan Deteksi Morfin pada Metode Klt- Spektrofotodensitometer

Fluorescence detection could be used for enhance the sensitivity of morphine detection by TLC-Spectrophotodensytometry. Morfin is a compound that fluoresces intrinsically incapable. ence, morphine was derivatized using dansyl chloride. Morphine was derivatized by two methods, derivatization in solution and overspotting method. The derivatization reaction was kept at pH 9 and 450 C for 20 minute. The ratio between dansyl chloride and analyte concentration was 6:1. The derivatization result was separated from the interference using TLC. The TLC method was using Al-TLC silica G60 plate as a stationary phase and etyl acetate : methanol : amonia (85:10:5) as the mobile phase. The dansyl derivative was detected at ?eks 365 nm and K540 filter for fluoresence. Derivatization of morphine-dansyl chloride capable to enhancing the sensitivity of morphine detection using TLC-Spectrophotodensytometry. Derivatization in solution and overspotting method took the same time in procedure but they gave different sensitivity. Derivatization in solution method gave more quantity than derivatization of overspotting

Uji Aktivitas Penangkapan Radikal Dpph Ekstrak Produk Teh Hitam (Camellia Sinensis (L.) O.k.) Dan Gambir (Uncaria Gambir (Hunter) Roxb) Serta Profil Klt-densitometernya

The purpose of this research was to compare the DPPH scavenging activity of black tea (Camellia sinensis (L.) OK) and gambier (Uncaria gambir (Hunter) Roxb) product extract and to determine their TLC-densitometer profile. This research was conducted in two stages, first stage was to examine the DPPH scavenging activity of black tea and gambier product extract. This assay used some concentrations of black tea product extract, gambier product extract, and standard vitamin C (10, 20, 40, 80, 160, 200, and 320 µg/mL). The second stage was to determine the extracts profile by TLC-densitometer. The result of this research showed that the DPPH scavenging activity of gambier product extract was greater (IC50 = 88,57±0,64 µg/mL) than black tea product extract (IC50 = 311,54±2,79 µg/mL). The result of profile determination of black tea product extract at a mobile phase of MeOH:toluene (50:50) showed that no spot was supposed a volatile oil group; at mobile phase of ethyl acetate:formic acid:acetic acid:H2O (100:11:11:26) showed two spots that was supposed a flavonoid group, spot with Rf 0,41 (?max 365 nm) and spot with Rf 0,97 (?max 280 nm); at mobile phase of CHCl3:MeOH (90:10) showed that spot with Rf 0,87 (?max 275 nm) was supposed an alkaloid group; at mobile phase of acetic acid:diethyl ether:n-hexane:ethyl acetate (20:20:20:40) showed that spot with Rf 0,62 (?max 290 nm) was supposed a tannin group. While the result of profile determination of gambier product extract at mobile phase of ethyl acetate:formic acid:acetic acid:H2O (100:11:11:26) showed two spots that was supposed a flavonoid group, spot with Rf 0,81 (?max 280 nm) and spot with Rf 0,92 (?max 280 nm); at mobile phase of acetic acid:diethyl ether:n-hexane:ethyl acetate (20:20:20:40) showed that spot with Rf 0,42 (?max 285 nm) was supposed a tannin group

Pengaruh Variasi Kepolaran Fase Gerak Aseton-diklorometana: Metanol-asam Asetat terhadap % Distribusi (+)-Katekin dari Gambir dengan Metode Kromatografi Cair Vakum

The research was conducted to determine the influence of mobile phase polarity of acetone-dichloromethana : methanol-acetic acid on the percent distribution of (+)-catechin from gambier by vacuum liquid chromatography and to determine the polarity mobile phase required to obtain the largest amount of (+)-catechin percent distribution. Gambier extract was fractionated using vacuum liquid chromatography with several variations of polarity of acetone-dichloromethane : methanol-acetic acid mobile phase expressed by the dielectric constant value (?) of 13.74 to 17.51. Fractions were analyzed by TLC-spectrophotodensitometer to calculate the concentration and the percent distribution of (+)-catechin. To know the effect of variations in mobile phase polarity on the percent distribution of (+)-catechin performed statistical analysis using one-way ANOVA test (? = 0.05). The results show that the variation of polarity of acetone-dichloromethane : methanol-acetic acid mobile phase (? = 13.74 to 17.51) had a significant influence on percent distribution of (+)-catechin from gambier by vacuum liquid chromatography method (p <0.05). Fraction with a mobile phase of acetone-dichloromethane (4:6) 50% : methanol-acetic acid (3:4) 50%, which had a value of dielectric constant of 15.62 yield the largest amount of (+)-catechin percent distribution value (45.40%)