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31. The design and project of numeral control chart are put forward, and the composing of system, functional structure and methods of realization are discussed also in this paper.

32. This paper points out that only when an economic control chart is designed can it be made use of economically, and the key problem is how to determine the economic control limit.

33. This paper studies the aspect that use EXCEL to make the quality control chart environmental monitoring.

34. Even worse, it will leave out the real alarm in abnormal process. This paper researches in the serial correlation of quality control charts and will improve the theory of quality control chart.

35. Controlcharts of Zero-Nonconformity Production based on normal distribution are established in the paper, which makes up thedeficiency of the Shewhart control chart.

36. The quality control chart is an important tool for TQC.

37. The main tasks are below:1 The dynamic EWMA mean control chart is extended to EWMA variance control chart. The EWMA variance control chart with variable sampling intervals under normality is proposed.

38. This system can act as a kind of monitoring measure parallel to conventional control chart.

39. When told the data are from an exponential or Erlang distribution the Six Sigma Black Belt should know that the run chart is preferred over the standard X control chart.

40. Quality control chart is a useful tool for monitoring produce process in statistics state and reducing waster.

41. Control limits and sampling interval are two essential parameters of control chart.

42. The optimization model of parameter design for control chart was constructed to monitor the quality of production process, and it was solved by genetic algorithm.

43. Furthermore, the statistical method has been used to standardize the sample data which becomes the important basic of quality control chart.

44. Methods A railroad hospital bed efficiency index before and after the railroad! medical security system reform was analyzed through applying the method of quality control chart.

45. The median control chart introduced in this article can be used in the process of small-batch production.

46. The quality control chart theory and computer technology are combined, and the machining oriented control chart system is established based on this combination.

47. In this paper, we talk about how to make use of principle component method to construct multivariate quality control chart. Then we take ...

48. On the basis of it, X-R control chart is used to analyze and monitor the packaging solvent residual quantity during the compound process.

49. The control chart being core tool of SPC technology and its application in microcircuit manufacture are described in detail.

49. Sentencedict.com is a online sentence dictionary, on which you can find nice sentences for a large number of words.

50. Control chart as a efficient way for disease warning, with much more to be improved.

51. Residual control chart is the method of using the residuals of time series models to control the quality of the auto-correlated process.

52. Results The quality control chart was made for estimating sickbed work.

53. The control chart theory and computer technology are combined, and the quality control chart system is established based on this combination.

54. In this paper, the problem of using automatic air monitoring system for the quality control chart was discussed and improved quality control of the mapping method was present.

55. Numerous comparisons of ARLs indicate that the GWMA control chart is more sensitive than the EWMA control chart for detecting small shifts in the process variance.

56. MethodsBased on the theory of normal distribution and central limit theorem of the statistics, the immune control chart is proposed, which combines the immune idea.

57. Under these circumstances, because of serial correlation, the monitoring capacity of quality control chart will be affected heavily, and it increases the probability of false alarm in normal process.