Method for preparation of polyethylene glycol aldehyde derivatives

... compositions, methods of making thereof, and methods of using thereof An illustrative embodiment of the invention relates to the oxidation of polyethylene glycol derivatives having the formula: ##STR1## ... environmentally friendly In view of the foregoing, it will be appreciated that providing an efficient, gentle method for preparation of polyethylene glycol ald...

Ngày tải lên: 23/08/2015, 17:41

... Golmohammadi R et al: A Rapid Method for Classification of workplaces based on noise pollution is one of the necessaries for macro programming view of monitoring and controlling of noise According ... in a workplace contain follows: The quality of wall sound absorption The quality of ceiling sound absorption The quality of roof sound absorption Mean of noise...

Ngày tải lên: 05/09/2013, 13:23

... detect parses of high quality from the set of parsed sentences To explore the quality of the selected set in terms of filter f-score, we recall that the quality of a selected set of parses increases ... reported that the quality of a selected T-set of parses increases as the number of models N increases and sample size S decreases We therefore show the results for...

Ngày tải lên: 20/02/2014, 12:20

... new method for measuring strength of lexical association for candidate phrasal terms based upon the use of Zipfian ranks over a frequency distribution combining n-grams of varying length The method ... study examined the performance of various association metrics on a corpus of 6.7 million words with a cutoff of N=10 The resulting n-gram set had a maximum recall of 2...

Ngày tải lên: 08/03/2014, 04:22

... in Atmosphere in Cities (n = 18, from Dust from Refuse Incineration 80 f2 Contribution of Trace Metals f1 f2 Fig Schematic Drawing of Estimation Method for Contribution of Emission Sources to Trace ... Trace Metal Concentrations Trace Metal Concentrations Emission Sources Contribution Estimation Process Mixing Atmosphere Lead Isotope Ratio Air...

Ngày tải lên: 16/03/2014, 00:07

... and antisense strand (5¢-ATGAGTTTTCCAGAGCAACTT-3¢), and siRNA was synthesized using DNA templates (sense strand, 5¢-AAATGAGTTTTCCAGAGCAACCCTGTCTC-3¢; antisense strand, 5¢-AAGTTGCTCTGGAAAACTCATCCTG ... TTCTGGCCTTC-3¢, and that of s -DNA is 5¢-ATAGGCG GGAATTTTGCATC-3¢ Anti-TMV siRNA was synthesized using the DNA templates 5¢-AAGGGACGAGCA TATGTACACCCTGTCTC-3¢ and 5¢-AAGTGTACATAT G...

Ngày tải lên: 16/03/2014, 02:20

... SLOVAK UNIVERSITY OF TECHNOLOGY IN BRATISLAVA FACULTY OF CHEMICAL AND FOOD TECHNOLOGY SYSTEMATIC METHOD FOR ANALYSIS OF PERFORMANCE LOSS WHEN USING SIMPLIFIED MPC FORMULATIONS DIPLOMA THESIS ... the best way of simplification for our example of plant is found, which turns out to be delta input blocking Keywords: analysis of MPC, simplified MPC formu...

Ngày tải lên: 31/03/2014, 22:20

... solving system of fractional- order differential equations are based on two component procedure and polynomial initial condition The NHPM applied on fractionalorder Stiff equation, fractional Genesio ... equations are found to follow as special cases of those of fractional- order equations We consider the system of fractional- order equations of the form Dαi yi t Fi t, y1...

Ngày tải lên: 21/06/2014, 05:20

... rise of compressor are investigated to study the effects of inlet parameters on the compressor performance and characteristics Figure 4.16 indicates that a smaller inlet flow angle causes a higher ... vertical distorted velocity coefficient propagates along axial direction at higher inlet incident angles, θ ≥ 25° In Fig 4.6, smaller inlet incident angle induces a larger...

Ngày tải lên: 21/06/2014, 21:20

... makes carbonization reaction more intense Formation Mechanism The formation mechanism of hollow carbon nanospheres was also explored At first, the formation of carbon spheres was a nucleation and ... temperature was a key factor in the preparation of carbon nanospheres through dehydration, aromatization, and carbonization At lower temperatures, the energies of intermo...

Ngày tải lên: 22/06/2014, 00:20

... out a manual segmentation, where some kind of uncertainty could appear In this work, real images are used to obtain the ideal segmentation Although the creation of the ideal segmentation of each ... Both the OSSR and USSR metrics define the success in the segmentation Therefore, success in the segmentation can be obtained as a combination of the...

Ngày tải lên: 22/06/2014, 23:20

... structure of the 4BS pastes prepared using the semi-suspension technology Experimental 2.1 Method of paste preparation This paper treats the production of tetrabasic lead sulphate pastes The ... Initial capacity of batteries with positive pastes prepared by the semi-suspension technology using leady oxides with three different degrees of oxidation 3.1.3 Influen...

Ngày tải lên: 05/07/2014, 21:20

... stone BS 1881, Methods of testing concrete BS 1881-102, Method for determination of slump BS 1881-114, Methods for determination of density of hardened concrete BS 1881-116, Method for determination ... under shear force on structural fixings installed in concrete or masonry used in building and civil engineering 1.2 Type of test The test consists of applying...

Ngày tải lên: 08/07/2014, 22:20

... for priming seed using aerated polyethylene glycol or salt solutions Hortscience 21, 529-531 Bradford K.J (1986) Manipulation of seed water relations via osmotic priming to improve germination ... stratification increased final germination and rapidity of germination of loblolly pine seeds (TablesI and II) However, stratified seeds showed a reduced priming effe...

Ngày tải lên: 09/08/2014, 02:21

... fibrillation J Thorac Cardiovasc Surg 1974, 68:615-25 doi:10.1186/1749-8090-5-6 Cite this article as: Apostolakis et al.: “The non-ischemic repair as a safe alternative method for repair of anterior ... beat empty of volume The last part of the operation is carried out using an off pump coronary artery bypass (OPCAB) stabilizer in order to perform the necessary...

Ngày tải lên: 10/08/2014, 10:20