system the differential cross section

... the collisions and the less demanding are the conditions on the duration of the laser pulses On the other hand, the lower the pressure the fewer the molecules in the sample and the lower is their ... for the motion of molecules in a gas The collision cross- section is a measure of the “size” of the two colliding molecules On the macro scale this means that the larger the cross- section, the ... 2.1.4 The collision cross- section In this section we go from the mean free path to the collision cross- section We take this route because we expect the probability x/λ of a collision in the short...

Ngày tải lên: 01/04/2014, 10:35

... variables, and the instantiations of these variables carry with them the specific material form If it is about designing a chair, we may think of variables like the legs, the arms, the back, and the seat ... diameter cm The tube has sensors indicating its position in space; it is also touch sensitive Inside the tube there is a microphone at one end and a loudspeaker at the other The microphone and other ... life The expressions of a thing form the basis for its presence, and in the sense that a thing has to be there for us in order to be used for something, these expressions can be said to form the...

Ngày tải lên: 07/03/2014, 17:20

... information that you had gathered for a project Reflect on the process that you used in the project to sift through and summarize the information Then discuss the answers to the following questions: ... what was it? • What were the stages of the process? • What was involved in each stage? • What were the advantages and disadvantages of the process? Exercise 2: Assessing the Information for Requirements ... Activity 5.1: Transitioning from Gathering to Analyzing Information Exercise 1: Comparing the Process ! Compare your experience with the process presented in this section Identify a project that...

Ngày tải lên: 24/01/2014, 10:20

... before the main verb, but after the verb BE She always has ballet from 3:00 to 6:00p.m The cafeteria food is usually bad My mother often cooks for us It sometimes rains here in the summer My brother ... usually go at the end of the sentence For example: I am always busy = I am busy all the time She sometimes walks to work = She walks to work some of the time They occasionally visit me = They visit ... expression with the present Continuous: Some time expressions refer to an exact moment in the present (now, right now, and at the moment) Others refer to a longer time period that includes the present...

Ngày tải lên: 04/07/2014, 03:21

... on section depth Maximum section, typically ¼ 13 mm Minimum section ¼ 0.4 mm for thermoplastics, 0.9 mm for thermosets Sizes ranging 10 g–25 kg in weight for thermoplastics, kg maximum for thermosets ... causing distortion of the part Good surface detail and finish possible The higher the pressure the better the surface finish of the product A process capability chart showing the achievable dimensional ... minimal Dimensions in the direction of the mold opening and the product density will tend to vary more than those perpendicular to the mold opening Flash molds not require that the quantity of material...

Ngày tải lên: 21/07/2014, 16:21

... communication between remote systems, coordinate data in multiple stores, and ensure the system always follows the rules laid down by the business If any part of the system crashes, the business loses ... present stuff to the user and provide a means for the user to present stuff to the software system The presentation layer includes the part of the software that creates and controls the user interface ... All of the services provided by the application the user interface, the persistent data access, and the logic that processes the data input by the user and reads from storage—all exist on the same...

Ngày tải lên: 12/08/2014, 22:22

... Hai chiến sĩ - 1949 Xem tranh: Quan sát tranh “Thiếu nữ bên hoa huệ”, đọc thầm mục SGK thảo luận theo nhóm đôi nội dung sau: Tác giả tranh ai? (Họa sĩ Tô Ngọc Vân) Hình ảnh tranh gì? (Thiếu nữ...

Ngày tải lên: 14/07/2014, 05:00

... which they believe they can change once their listener sees the whole picture In the process, they defeat themselves by flooding the other person with more information than they can handle If they ... account The noise from the van caught my attention again as the blind men exited the van, laughing as they helped each other out Fascinated, I followed them into the lobby and down the hall as they ... that it worked The testing was the easy part of solving the problem The hard part was convincing the other six competing corporations and owners of the pipeline to try an idea their experts had...

Ngày tải lên: 10/08/2014, 07:20

... of the HIV-1 packaging system in the context of a heterologous MLV vector RNA, thereby averting the RNA nuclear export effects of the Rev/RRE system We have shown for the first time that the ... normalization to p24 These data indicate that the Rev/RRE system and 5’ UTR cis elements synergize to achieve the increase in vector titer Further separation of the 5’ UTR cis elements into the canonical ... relying upon the concerted effects of the various components We reasoned that the HIV-1 Rev/RRE system and cis elements in the 5’ UTR may function within the same pathway, thus the combined effects...

Ngày tải lên: 13/08/2014, 01:21

... due to the relationship than the economics of the business proposal On the other hand, family investors bring their own set of problems, including the possibility of strained relations if the investment ... expected of them, not only in the work that they do, but in their behavior and in other areas of your employment relationship If the rules are carefully selected, clearly related to the business, ... 1.3 What Is the Value of My Company? The value of a company is important because it is the basis for determining the "cost" of the new capital when seeking equity additions to the capital structure...

Ngày tải lên: 14/05/2015, 14:38

... tính: axit giảm dần, bazơ tăng dần từ Ge – Pb  Có khuynh hướng tạo phức  Có tính khử mạnh giảm theo chiều Ge - Pb 5.1 Các nguyên tố phân nhóm IVA b Các hợp chất có oxy hoá dương (+4)  Đối với...

Ngày tải lên: 12/07/2015, 18:09

... panel was shown the pictures of two beautiful women and asked who was more beautiful The vote split 50–50 Then the experimenter named one woman Jennifer and the other Gertrude The woman named ... position, including the production supervisor, the van driver, the accountant, and the salesperson The brand personality must be carried out by the company’s partners as well The company cannot ... character that expressed the product’s benefits or personality: the Green Giant, the Pillsbury Doughboy, the Marlboro cowboy, and several other mythical personalities The Doyle, Dane & Bernbach...

Ngày tải lên: 24/10/2013, 08:20

... want the honest views of their colleagues They encourage constructive debates and out-of -the- box thinking They invite big-picture ideas They tolerate honest mistakes And when they make the final ... information system company more than a retailer Wal-Mart knows the sales of each product in each store at the end of the day, making it easier to order the right replacement stock for the next day The ... make the final decision, they inspire their people to their best And the best leaders don’t spend too much time poring over numbers They get out and meet the troops And they devote a lot of time...

Ngày tải lên: 24/10/2013, 08:20

... upon another monumental task, one that could establish the language as the 800-pound gorilla of the Web scripting world: PHP PHP Version is yet another watershed in the evolution of the PHP language ... available solution Furthermore, much of PHP’s early evolution was not the result of the explicit intention to improve the language itself, but rather to increase its utility to the user The result is ... resources to the system when the script completes In these and in many other respects, by attempting to handle many of the administrative aspects of programming internally, PHP allows the developer...

Ngày tải lên: 24/01/2014, 13:59

... and 684 nm; the latter two differ from the 660 nm band of the protein complex (Fig 8A) When the solution of the extract was exposed to CO, the 684 nm band gradually shifted to 636 nm The reported ... information on the heme pocket structure As shown in Table 2, the hyperfine splitting constants of the 15N nucleus of the distal NO and of the 14N nucleus of the proximal His of the GmHO-1 complex ... residues might either stabilize the azide coordinated to heme or facilitate the access of anionic azide to the heme, and conversely, the steric effect of the distal residues might reduce the accessibility...

Ngày tải lên: 19/02/2014, 05:20

... working days from the date of receipt of the application FAQ Q1: Do I need to pay the levy for the Protection of Wages on Insolvency Fund for the Waiver Period? A1: Yes, the levy for the Protection ... reference to the number of days in the validity period of the certificate held by the business, the number of such days within the Waiver Period (i.e April 2012 to 31 March 2013) for which the concession ... for the refund If the business operator wishes to apply for the concessionary refund, he needs to complete and return the duly signed application form to the Business Registration Office, either...

Ngày tải lên: 06/03/2014, 19:20

... the other hand, slide for the GC pair at the GC step that links the G stretch with the C stretch is rather high ˚ ()3.32 A) The nature of the base stacking interaction in the iso d(GGGGCCCC) duplex, ... Based on the observation that the peak count for the duplex is the same as expected from a single strand in the various spectral data (indicating that the duplex is highly symmetric and the two ... that the P range in the N domain is not going to be very different regardless of whether the S contribution is explicitly considered Thus, from the small values of the coupling constants for the...

Ngày tải lên: 16/03/2014, 18:20

... from the globular part of the molecule In the crystal, this segment hydrophobically interacts with the corresponding helix in another molecule; these interactions are identical to each other ... in the crystal; however, the segment may fluctuate or take on another orientation in solution Conformation of the distal helix As in the previously reported structures of other heme– HOs, the ... HO-1 would retard the proper binding of CPR Based on the charge distributions of the molecular surfaces, the complementarities of the molecular surfaces, and the distance between the iron–sulfur...

Ngày tải lên: 23/03/2014, 13:20

... is similar They all show a conformational variability at the tip portion of loop II, with the difference being that the length of the b-strands in NTX-1 is longer than in the others These neurotoxins ... structure is not observed in other long neurotoxins On the other hand, the absence of any NOE between residues 69–73 and other regions of the peptide indicates that there is no structural involvement ... other restraints given in the Table On the basis of the total energy, the best 20 refined structures were selected for further analysis and deposited in RCSB protein data bank, PDB code 1W6B The...

Ngày tải lên: 23/03/2014, 13:20

... which lowers the energy of the system, while on the other, this approach results in an increase in the energy of the system, given the repulsion between the molecules at short distances The total ... progress of the reaction can be followed by the increase of the conductance of the solution If ⌳0 is the conductance of the solvent, ⌳t the conductance of the solution at time t and ⌳ϱ the final ... each of the geometries that the nuclei might adopt The PES results from solving the Schrödinger equation for each of the possible nuclear geometries The sum of the electronic energy and the nuclear...

Ngày tải lên: 01/04/2014, 10:29