precision spectroscopy diode lasers and optical frequency measur docx

 Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"

Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"

... facial pigmented and vascular lesions, and in oral surgery. Materials and Methods: 20 patients were treated with a 980 nm diode laser. Oral surgery: 5 patients (5 upper and lower frenulectomy). ... Del) and then cooled by applying ice for 2 minutes before and after photosclerosis. The Laser settings were: fluence between 6 and 10 J/cm 2 , variable pulse length between 10...

Ngày tải lên: 26/10/2012, 09:48

7 567 1
Stimulated Emission and Optical Gain in Semiconductors

Stimulated Emission and Optical Gain in Semiconductors

... Inc. ThematrixelementjMj 2 forthetransitionswherewavevectorconservation doesnotnecessarilyholdisgivenbytheproductofEq.(3.29)andEq.(3.34). Equation(3.34)indicatesthatjMj 2 islargeintheregionofkwherea 2 k 2 issmall. AlthoughEq.(3.34)iseffectivefortransitionsbetweenthebandtail andaextendedband,itdoesnotapplyfortransitionsbetweenparabolic bandswithlargerenergiesandthosebetweenbandtails.Tosolvethe...

Ngày tải lên: 23/10/2013, 20:15

44 280 0
Tài liệu Specification For Class D Applications Using ADC KRONE Category 5 Copper And ADC KRONE Optical Fibre Cable docx

Tài liệu Specification For Class D Applications Using ADC KRONE Category 5 Copper And ADC KRONE Optical Fibre Cable docx

... Channel. 5.2 Optical Fibre Links 5.2.1 Test Requirements All multimode and singlemode optical fibre links must be tested for; 1. Continuity and Maintenance of Polarity 2. Length 3. Propagation Delay 4. Optical ... Equipment Room and Telecommunications Room Cable Terminations The size, location and provisioning of services and facilities in the Equipment and Telecommunication...

Ngày tải lên: 21/12/2013, 13:15

22 524 0
iec 60332-2_2 tests on electric and optical fibre cables under fire condition

iec 60332-2_2 tests on electric and optical fibre cables under fire condition

... Please report on ONE STANDARD and ONE STANDARD ONLY. Enter the exact number of the standard: (e.g. 60601-1-1) Q2 Please tell us in what capacity(ies) you bought the standard (tick all that ... standard meets my needs: (tick one) not at all 4 nearly 4 fairly well 4 exactly 4 Q6 If you ticked NOT AT ALL in Question 5 the reason is: (tick all that apply) standard is out of date 4 standard...

Ngày tải lên: 25/12/2013, 10:58

36 461 3
iec 60332-1_1 tests on electric and optical fibre cables under fire condition

iec 60332-1_1 tests on electric and optical fibre cables under fire condition

... Please report on ONE STANDARD and ONE STANDARD ONLY. Enter the exact number of the standard: (e.g. 60601-1-1) Q2 Please tell us in what capacity(ies) you bought the standard (tick all that ... confirmatory test arrangement and guidance IEC Guide 104, The preparation of safety publications and the use of basic safety publications and group safety publications 3 Terms and defini...

Ngày tải lên: 25/12/2013, 10:59

24 355 2
iec 60332-1_2 tests on electric and optical fibre cables under fire condition

iec 60332-1_2 tests on electric and optical fibre cables under fire condition

... Please report on ONE STANDARD and ONE STANDARD ONLY. Enter the exact number of the standard: (e.g. 60601-1-1) Q2 Please tell us in what capacity(ies) you bought the standard (tick all that ... edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2. Furth...

Ngày tải lên: 25/12/2013, 10:59

30 483 3
iec 60332-1_3 tests on electric and optical fibre cables under fire condition

iec 60332-1_3 tests on electric and optical fibre cables under fire condition

... safety publications and the use of basic safety publications and group safety publications ISO 187, Paper, board and pulps – Standard atmosphere for conditioning and testing and procedure for ... Please report on ONE STANDARD and ONE STANDARD ONLY. Enter the exact number of the standard: (e.g. 60601-1-1) Q2 Please tell us in what capacity(ies) you bought the standard (tick a...

Ngày tải lên: 25/12/2013, 10:59

30 417 3
iec 60332-2_1 tests on electric and optical fibre cables under fire condition

iec 60332-2_1 tests on electric and optical fibre cables under fire condition

... Please report on ONE STANDARD and ONE STANDARD ONLY. Enter the exact number of the standard: (e.g. 60601-1-1) Q2 Please tell us in what capacity(ies) you bought the standard (tick all that ... Metallic screen A metallic screen (1 200 ± 25) mm high, (300 ± 25) mm wide and (450 ± 25) mm deep with open front and closed top and bottom, (see Figure 1), shall be used. 4.3 Ignition so...

Ngày tải lên: 25/12/2013, 11:00

28 357 3
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