Received without

Chapter summary: External unshielded twisted pair (UTP) cable installations use prefabricated cables to connect computers directly to hubs; internal cable installations use bulk cable, which you pull through walls, ceilings, or floors; to connect two computers without a hub, you must use a crossover cable connection, which reverses the transmit and receive signals;...

18p tangtuy08 21-04-2016 34 1   Download

The epoxy ester was prepared from epoxy resin DER 331 and fatty acid by esterification reaction in inert gas without catalyst. The kinetics of the esterification was investigated and the results shown that the temperature, reaction time and mol ratio of epoxy resin to fatty acid suitable to electro-deposition process are 220o C, 150 minutes and 1/4, respectively. The received epoxy ester was modified with 15% (wt%) maleic anhydride at 175o C for 120 min which was adapt to binder for anodic electro-deposition coating.

5p uocvong03 24-09-2015 51 5   Download

Chn phương án A, B, C hoac D ñe hoàn thành các câu sau: 1. I coundn’t tell what time it was because workmen had removed the …… of the clock A. hands B. pointer C. arms D. fingers 2. Most developing contries are in …..of capital and technical assistance A. lack B. shortage C. need D. deficiency 3. Tropical regions receive …..rain and this condition helps to make it ideal for growing rice A. many B. much C. some D. a large number of 4. Life without…… would be dull A. a laughter B. the laughter C. laugh D. laughter 5. What the speaker said was…..meaningless. A. entire B. total...

0p quynhmagic 09-04-2013 108 19   Download

Experiment No 1Communication without feedback The sender look at the screen all the time The receiver look at his paper all the time The sender talk The receive do with information receive from the sender without asking The time keeper stark the clock when the sender start to talk.

44p dungdiem 21-02-2013 121 33   Download

Radio based communication, open air The attacker, having a radio transmitter and receiver with the same radio frequency of the underlying wireless network, can easily: Intercept wireless data Connect his computing devices to a nearby wireless network Inject new packets to an existing wireless network Jam a particular wireless channel using a jamming device Security measures Implement encryption algorithms, authentication algorithms, and integrity-check algorithms at the data-link layer Provide network access with wired equivalent privacy Higher-layer protocols and applications can be used ...

32p muathu_102 28-01-2013 54 5   Download

EIGENVALUE PROBLEMS FOR DEGENERATE NONLINEAR ELLIPTIC EQUATIONS IN ANISOTROPIC MEDIA ˘ DUMITRU MOTREANU AND VICENTIU RADULESCU ¸ Received 23 September 2004 and in revised form 26 November 2004 We study nonlinear eigenvalue problems of the type − div(a(x)∇u) = g(λ,x,u) in RN , where a(x) is a degenerate nonnegative weight. We establish the existence of solutions and we obtain information on qualitative properties as multiplicity and location of solutions. Our approach is based on the critical point theory in Sobolev weighted spaces combined with a Caffarelli-Kohn-Nirenberg-type inequality.

21p sting12 10-03-2012 46 5   Download

OF INVARIANT FIBER BUNDLES FOR DYNAMIC EQUATIONS ON MEASURE CHAINS ¨ CHRISTIAN POTZSCHE AND STEFAN SIEGMUND Received 8 August 2003 m -SMOOTHNESS We present a new self-contained and rigorous proof of the smoothness of invariant fiber bundles for dynamic equations on measure chains or time scales. Here, an invariant fiber bundle is the generalization of an invariant manifold to the nonautonomous case.

42p sting12 10-03-2012 36 7   Download

We postulated that combining high-dose simvastatin with bone marrow derived-mesenchymal stem cells (MSCs) delivery may give better prognosis in a mouse hindlimb ischemia model. Methods: Mouse hindlimb ischemia model was established by ligating the right femoral artery. Animals were grouped (n = 10) to receive local injection of saline without cells (control and simvastatin groups) or with 5 × 106 MSCs (MSCs group).Animals received either simvastatin (20 mg/kg/d, simvastatin and combination groups) or saline (control and MSCs group) gavages for continual 21 days.

10p toshiba23 18-11-2011 49 2   Download

According to the traditional definition, network security comprises integrity, confidentiality, and availability. Message integrity ensures that if an unauthorized party modifies a message between the sender and the receiver, the receiver is able to detect this modification. In addition to message integrity, integrity mechanisms always provide some type of proof of data origin. Knowing that a message has not been modified without knowing who initially created the message would be useless. ...

16p 0984272663 27-04-2011 116 8   Download

Các thuật ngữ cơ bản (Basic Terminology) + plaintext : thông điệp gốc (original message ) + Ciphertext : thông điệp mã hóa ( coded message ) + cipher : algorithm for transforming plaintext to ciphertext + key : info used in cipher known only to sender/receiver + encipher (encrypt) : converting plaintext to ciphertext + decipher (decrypt) : recovering ciphertext from plaintext + cryptography : study of encryption principles/methods + cryptanalysis (codebreaking) : the study of principles/ methods of deciphering ciphertext without knowing key + cryptology : lĩnh vực nghiên cứu của cả cryptogr...

45p d15tmt 01-04-2011 199 42   Download

Enable many mobile users to share simultaneously radio spectrum. Provide for the sharing of channel capacity between a number of transmitters at different locations. Aim to share a channel between two or more signals in such way that each signal can be received without interference from another.

60p nhq_khtn 12-03-2011 56 8   Download

Among the valid contraindications applicable to all vaccines are a history of anaphylaxis or other serious allergic reactions to a vaccine or vaccine component and the presence of a moderate or severe illness, with or without fever. Infants who develop encephalopathy within 72 h of a dose of DTP or DTaP should not receive further doses; those who experience a "precaution" event should not normally receive further doses. Because of theoretical risks to the fetus, pregnant women should not receive MMR or varicella vaccine.

11p thanhongan 07-12-2010 110 8   Download

Table 116-3 Valid and Invalid Contraindications to Vaccination Vaccine Valid Contraindicationa Invalid Contraindication All vaccines in general Serious allergic Mild acute illness with reactions (e.g.

12p thanhongan 07-12-2010 92 8   Download

Antifolate Drugs A large number of epileptics, who are receiving long-term therapy with phenytoin or primidone, with or without barbiturates, develop low serum and red cell folate levels. The exact mechanism is unclear. Alcohol may also be a folate antagonist, as patients who are drinking spirits may develop megaloblastic anemia that will respond to normal quantities of dietary folate or to physiologic doses of folic acid only if alcohol is withdrawn. Macrocytosis of red cells is associated with chronic alcohol intake even when folate levels are normal.

5p thanhongan 07-12-2010 59 5   Download

Primary prophylaxis (i.e., shortly after completing chemotherapy to reduce the nadir) of G-CSF to patients receiving cytotoxic regimens is associated with a 20% incidence of febrile neutropenia. "Dose-dense" regimens, where cycling of chemotherapy is intended to be completed without delay of administered doses, may also benefit, but such patients should be on a clinical trial. Administration of G-CSF in these circumstances has reduced the incidence of febrile neutropenia in several studies by about 50%.

5p konheokonmummim 03-12-2010 52 3   Download

Calculating sensitivity and specificity requires selection of a decision value for the test to define the threshold value at or above which the test is considered "positive." For any given test, as this cut point is moved to improve sensitivity, specificity typically falls and vice versa. This dynamic tradeoff between more accurate identification of subjects with disease versus those without disease is often displayed graphically as a receiver operating characteristic (ROC) curve (Fig. 3-1). An ROC curve plots sensitivity (y-axis) versus 1 – specificity (x-axis).

5p tubreakdance 26-11-2010 82 6   Download

The Test of English for International Communication (TOEIC) is "an English language test designed specifically to measure the everyday English skills of people working in an international environment."The TOEIC Speaking & Writing Test was introduced in 2006. Test takers receive separate scores for each of the two tests, or can take the Speaking test without taking the Writing test. The Speaking test assesses pronunciation, vocabulary, grammar, and fluency, while the Writing test examines vocabulary, grammar, and overall coherence and organization.

54p haili66 19-11-2009 662 498   Download