... fabrication of a high-power combiner using Wilkinson bridge of L-band Dang Thi Thanh Thuy 1, *, Vu Tuan Anh 2 , Vu Duy Thong 3 , Bach Gia Duong 2 1 Faculty of Physics, College of Science, ... method using the Wilkinson bridge. This is a modern power combination technique in the microwave technology. The design and simulink of the basic power moduls and Wilkinson bridge were performed ... Journal of Science, Mathematics - Physics 25 (2009) 185-189 186 Generally, Wilkinson power divider can have any number of output ports. A basic three port Wilkinson power divider of port...
Ngày tải lên: 22/03/2014, 11:20
A Bridge of Time
... M a tt h e w , s c r a m b l e d i n t h e a nk l e - A BR I D G E O F T I M E 11 A BRIDGE OF TIME T h i s i s a w o r k o f f i c t i o n . N a m e s , c h a r a c t e r s , ... a nd p r o ud l y e m - Thank You for previewing this eBook You can read the full version of this eBook in different formats: HTML (Free /Available to everyone) PDF / TXT (Available...
Ngày tải lên: 06/11/2012, 16:13
... disulfide bridge has a profound effect on the structure of TNSALP (Fig. 10). The effects of substitution of R433 either with alanine or aspartate on the catalytic properties of TNSALP were reported by ... Japan Keywords alkaline phosphatase; bone; disulfide bridge; hypophosphatasia; loss of function Correspondence K. Oda, Division of Oral Biochemistry, Niigata University Graduate School of Medical and Dental Sciences, ... wild-type. Of the five cysteine residues per subunit of the wild-type, only Cys102 is thought to be present in a free form. Replacement of Cys102 with serine did not affect the dimerization state of TNSALP(R433C),...
Ngày tải lên: 16/03/2014, 12:20
bridge of birds a novel of an ancient china that never was
Ngày tải lên: 30/05/2014, 23:29
A study on english reading strategies employed by second year bridge and road students university of transport and communications
... taking relationship between the amount of unique strategies and comprehension Block (1992) 16 proficient readers of English, 9 non-proficient readers of English; think- aloud reports at ... both of these processes. This view is now shared by a majority of researchers in a numerous number of studies on reading. The last part of the chapter discusses reading strategies, the focus of ... frequency of strategy use by readers of different proficiency levels. Most of the researchers have concluded that there are indeed differences between effective and ineffective readers in terms of...
Ngày tải lên: 29/01/2014, 10:33
Tài liệu Báo cáo khoa học: An engineered disulfide bridge mimics the effect of calcium to protect neutral protease against local unfolding docx
... An exact analysis of the interplay of unfolding and auto- proteolysis, however, requires kinetic measurements, as described below. Influence of the disulfide bridge on the kinetics of unfolding and ... to previous studies on the kinetics of thermoinactivation [13,24], this approach allows quantification of the contribution of Fig. 1. Model of the 3D structure of the neutral protease from Bacillus ... of unfolding between pWT and G8C ⁄ N60C at calcium ion concentrations of > 5 mm (Fig. 7) must be related to the position of the introduced disulfide bridge that is located in the vicinity of...
Ngày tải lên: 19/02/2014, 17:20
Báo cáo khoa học: Molecular cloning and characterization of methylenedioxy bridge-forming enzymes involved in stylopine biosynthesis in Eschscholzia californica doc
... structures of isoquinoline alkaloids, because the structures of many P450s are closely correlated with those of their substrates. Fur- ther identification and characterization of other mem- bers of the ... alkaloids of Papaveraceous plants. XXV. Biosynthesis of the alkaloids of Corydalis incisa Pers. and Chelidonium majus L. incorporations of tetrahydro- protoberberines, N-methosalts of tetrahydroprotoberber- ines, ... Molecular cloning, expression, and induction of berberine bridge enzyme, an enzyme essential to the formation of benzophenan- thridine alkaloids in the response of plants to patho- genic attack. Proc...
Ngày tải lên: 07/03/2014, 10:20
Báo cáo Y học: Stabilization of a (ba)8-barrel protein by an engineered disulfide bridge potx
... 250 l M of each nucleotide triphos- phate, 20 pmol of each primer, 0.1 lg of t emplate, 4 lLof 10 x Pfu reaction buffer and 2.5 U of Pfu -DNA polymerase (Stratagene) in a total volume of 40 lL. ... The rate of ther- mal i nactivation at 50 °C of this variant with a closed disulfide bridge is 65-fold slower than th at of the r eference dithiol form, but only 13-fold slower than that of the parental ... comparison of the three high resolution crystal structures suggests that an increased number of salt bridges over that in eIGPS decreases the rates of irreversible thermal inactivation of both sIGPS...
Ngày tải lên: 24/03/2014, 03:21
Báo cáo khoa học: The activity of Plasmodium falciparum arginase is mediated by a novel inter-monomer salt-bridge between Glu295–Arg404 doc
... result of the inability of the software to recognize co-ordination chemistry natively as well as the larger van der Waals radius of Mg 2+ compared to Mn 2+ . Because of the stability of the Mg 2+ cluster, ... C. In chain B of the NP simulation, the first and second b-strands are both lost, whereas the second half of the first a-helix is lost in chain C of the NPT simulation. The first half of the third ... chains B and A of the NP and NPT sim- ulations, respectively. All of these secondary structural elements align with cognate elements in all of the tem- plates. The sixth helix (3 10 ) of the model...
Ngày tải lên: 29/03/2014, 23:20
Construction Stage Analysis of Prestressed Concrete Box Bridge using General Funtions potx
... Tendon Profile Define each of the tendon profiles using the same procedures. A tendon profile may be defined more easily using the MC T Command Shell. The MCT command fo r tendon profile definition ... Construction Stage Analysis of Prestressed Concrete Box Bridge (FCM) using General Functions 41 Calculate the self-weigh of each segment using the Bill of Material function. In ... calculated from the Bill of Material function. Before calculating the weights of each element using the Bill of Material function, transform each sections composed of Tapered Section Group...
Ngày tải lên: 01/04/2014, 03:20
một số đặc điểm cấu tạo và sơ đồ tính toán cầu vòm ống thép nhồi bê tông (some structural features and calculating model of the concrete filled tubular arch bridge)
... Tp chí giao thông vn ti. 6. Ding Dajun, prof., Nanjing Institute of Technology, Nanjing, China. “Development of concrete filled tubular Arch bridges, China”. Structural Engineering International ... bêtông . NXB Xây dng Hà Ni 1999 (bn dch ting vit) 2. Tp bn v Super-structure of arch bridge, Xom Cui bridge (nguyên bn ting Anh). 3. Phùng Mnh Tin – V Trí Thng. Bài báo “Cu vòm...
Ngày tải lên: 04/04/2014, 11:16
the effect of pylone’s height on internal force in spine beam of extradosed bridge
Ngày tải lên: 12/04/2014, 18:27
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