1, Moreover, Earth-based photometric studies have indicated that most of the lunar near side must be blanketed in such dust.

2, They are employed in several photometric procedures.

3, A flow-through photometric titrimetric method is established for the determination of complex of composition.

4, This article is the seventh biannual review on photometric analysis.

5, The prospect of iron photometric analysis was also reviewed, the number of cited paper was 89.

6, Illuminance of illuminating radiation is always measured in photometric units.

7, The system error of infrared photometric measurement on the saturation temperature and supersaturation of crystal magma were qualitatively and quantitatively analyzed.

8, Advantages and Prospects of photometric titration have been briefly discussed.

9, In this paper, the indirect photometric re-versed-phase chromatographic systems of hydroxy acids are studied using aromatic acidic, basic and amphiprotic UV-detectable reagents.

10, The latest development of photometric analysis of vanadium was discussed.

11, A molybdenum blue photometric method for the determination of silicon dioxide content in fluorite was studied.

12, In the designing of photometric analyzer, the 16 bit program-controlled A/D conversion is realized by using V/F convertor and programmable counter. The logarithm conversion is performed by software.

13, An apparatus for the photometric titration with novel design, simple construction, small size and easy operation is developed.

14, Integration time is important to error of photometrical results in CCD photometric and observation.

15, These instruments combine constant resolution and high precision of frequency measurement with great photometric accuracy.

16, Describes the changing of the classical perchloric acid dehydration gravimetric method for determining silicon into the molybdenum blue photometric method to fast determine the content of silicon.

17, The antioxidation activity of Echinacea, EE . pallida were studied by photometric method and ESR method.

18, The diameter size of the fiber determines the signal strength and photometric signal - to - noise.

19, Recently various new reagents and detection Methods: Were used to the photometric detection of niobium.

20, Less critical is the situation in the case of photometric observation.

21, Note: Commonly the relative spectral distribution is used, viz. the spectral concentration of the photometric or radiometric quantity measured in terms of an arbitrary value of this quantity.

22, Test is made to antioxidation activity of extracts of Plumbago Zeyanica L. by ESR method,[http:///photometric.html] photosensitized compound microbiological method and photometric method.

23, The antioxidative activity of cranberry extracts and its stability in different conditions were studied photometric method.

24, The approximate invariance of the middle frequencies energy relationship between video adjacent frames under photometric distortion and spatial desynchronization is discovered by analysis.

25, The proposed test method would eliminate the use of photometric measurements in favor of purely electrical measurements with the goal of reducing measurement variation.

26, The paper presents a new measuring instrument used for detection of photometric chara - trinities of vehicular lamp.

27, The GB stipulates that high manganese steel should be dissolved by rare sulphuric acid, the silicon in the solution should be determined by the molybdenum blue photometric method.

28, Like traditional "spot" photometers, the detector spectral response of Video Photometers is filtered to match the CIE Photopic response function for accurately weighted photometric measurements.

29, Determination of trace strontium in underground water with Tribromoarsenazo Photometric Analysis is easy , quickly and accurately.

30, The content of the phenols in the FCC gasoline is determined by the 4-amino antipyrine direct photometric analysis method.

31, This article introduced a new method to determine free SO_2 in red wine—photometric titration.

32, The photometric signal - to - noise ratio is roughly proportional to the square root of the signal intensity.

33, All intensity measurements using photometric units include a spectral bias ( spectral response of the human eye ).

34, The accuracy can be optimized by strengthening quality control of critical factors in the process of test of ammonia density in indoor air with indophenol blue photometric method.

34, is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

35, The action limit of photometric precision of portable POL quality analyzer has been determined by statistical method.

36, For the detection of sulfur impurities detector 46 can be a FPD ( flame photometric detector ).

37, Photometric sensors are devices that measure energy in the visible spectrum.

38, Solid phase transmission photometric determination of palladium with PVC functional membrane was studied.

39, A new method - dynamics photometric method was developed to measure trace formaldehyde in beer.

40, This paper briefly presents determination of nitrate in water using ultraviolet spec - to photometric . depend . correctness.

41, OBJECTIVE : To develop simultaneous photometric determination method for sulfamethazine and sulfamidine in Xiaoer An powder.

42, A new photometric titration sensor was introduced in this paper. It has small working current, high sensitivity and low cost.

43, Photometric Standards for Absorbance are used to check the accuracy of spectrometer systems.

44, The knowledge of this quantity is of importance for photometric measurements.

45, It was made with observations from Herschel's Photoconductor Array Camera and Spectrometer and the Spectral and Photometric Imaging Receiver instruments.