No abstract

the removal of nickel by roasting the tails from the copper flotation separation free from sulfur, reducing with charcoal, roasting with niter cake, and extracting with water, the nickel to be recovered electrolytically or by precipitation with lime after the removal of iron by means of calcium carbonate. The complexity of this treatment would be an important factor in determining whether the process could be used.The Alaska ore might be treated with nitric acid, heated to remove most of the oxides of nitrogen, and the nickel extracted with water, the nitric acid being recovered by water absorption. The quantity of nitric acid recovered on large runs would largely de-termine the availability of this treatment. ACKNOWLEDGMENT I wish to thank Dr. R. B. Moore, of the Rocky Mountain Station, under whose direction this work was carried out, and to express my appreciation of the many helpful suggestions received from other members of the Rocky Mountain Station of the United States Bureau of Mines at Golden, Colorado. I also desire to gratefully acknowledge the assistance rendered by Mr. . H. Caron, of the Netherlands Government, who was so kind as to reduce a quantity of the North Carolina ore in his experimental reduction furnace.

The purpose of this study was to determine the efficacy of Genesen Acutouch pointers in the treatment of osteoarthritis of the knee. This was a prospective, randomized clinical trial consisting of sixty patients who volunteered from the general population of Durban. The patients, diagnosed as having osteoarthritis of the knee, were randomly divided into two different treatment groups. Each group consisted of thirty patients between the ages of eighteen and eighty five years. One group received active Genesen Acutouch Therapy, while the second group received placebo Genesen Acutouch Therapy. Data capturing took place for both groups on the first, fifth and ninth consultations. Subjective data was collected using the Numerical Pain Rating Scale-l Ol, the Visual Analogue Scale and the Patient Specific Functional Scale. Objective data was gathered from goniometer and algometer readings. For statistical analysis, only parametric tests were used in all hypothesis tests due to the large sample size. All readings were considered to be continuous variables. The twosample (unpaired) two-tailed t-test was used to compare two independent samples. The two-sample paired t-test was used to compare results from related samples. All tests were conducted at a = 0.05 level of significance

Among the many modalities used by chiropractors is acupuncture. However, it has not yet been put to the test by research whether the addition of acupuncture for the treatment of lower back pain is of benefit or not to the patient. It is hypothesised that the addition of the acupuncture modality with the chiropractic adjustment will be of more benefit than the chiropractic adjustment alone. As the purpose ofthis study was to compare a chiropractic adjustment to a chiropractic adjustment followed by acupuncture the experimental method was used. The adjustments used were those indicated after following the diagnostic protocol of Natal Technikon using the Diversified Technique of Chiropractic. The acupuncture points used were the Urinary Bladder, 23, 25, 31, 36 and 40 and Gall Bladder 30 in all patients in the group receiving acupuncture. Thirty patients were selected randomly and split into two groups of 15. Patients were treated a maximum of 8 times or less if they become pain free in less treatments. The results of the Oswestry Low Back Pain Disability, Numerical Pain Rating Scale-101 and McGill Pain Questionnaires were recorded before the 1st, 5th, and after the last treatment and again at the 1 month follow up consultation, along with the BROM II and Algometer readings. The statistical tests used were the Intragroup Wilcox Signed Rank Test, the Intergroup Mann Whitney U Test and Power statistics according to the UCLA web site. Both treatments were