• 제목/요약/키워드: Comparison of Two Treatments

검색결과 246건 처리시간 0.027초

두 개의 처리 비교를 위한 실용적인 실험 계획 전략과 분석 (Practical Experimental Design Strategy and Analysis for the Comparison of Two Treatments)

  • 임용빈
    • 품질경영학회지
    • /
    • 제33권3호
    • /
    • pp.156-160
    • /
    • 2005
  • 기존의 표준공법과 신공법간의 품질특성치의 평균에 차이가 있는지를 알아보기 위한 가장 실용적인 실험 설계는 표준공법으로 진행되고 있는 공정을 신공법으로 바꾼 후에 연속적으로 생산해서 실험 자료를 얻는 것이다. 이 실험 자료로부터 평균 수율의 차이가 있는 지를 검정하기 위해서는 표준공법으로 연속해서 생산된 제품들의 수율에 관한 정보를 추가적으로 필요로 한다. 표준공법으로 연속해서 생산된 제품들의 수율에 관한 충분한 최근의 자료가 없으면 분할법에 의한 실험설계가 실용적인 설계이다. 분할법 I은 각 단계의 실험을 축차적으로도 실시할 수 있다는 장점이 있다. 단계 1에서는 표준공법과 신공법의 실시순서를 랜덤하게 정한다. 그다음에 정해진 방법에 따라서 연속해서 실험을 r회 실시한다. 단계 2,..., rep에서도 동일한 방법으로 실험을 실시한다. 분할법 II는 모든 실험을 한번에 실시하는 설계로, 두 개의 공정조건의 변경이 제한적으로 가능하다면 먼저 rep개의 반복을 갖는 각 공법을 2*rep개의 일차단위에 랜덤하게 배치하고, 일차단위에 랜덤하게 배치된 공정조건을 고정시키고 실험을 r회 반복한다. 분할법에서 일반적으로 공정조건을 변경하는데 비용과 시간이 많이 들어서 rep를 적게 하는 효율적인 실험의 반복수 ${\gamma}^*$을 결정하는 것이 엔지니어들의 관심사항이다. 분할법 I이나 분할법 II에서의 효율적인 실험의 반복수는 ${\gamma}^*$=6이고, 차선책은 ${\gamma}^*$=4이다.

Yield and Seed Quality as Affected by Water Deficit at Different Reproductive Growth Stages in Soybean

  • Kim, Wook-Han;Hong, Byung-Hee;Kim, Seok-Dong
    • 한국작물학회지
    • /
    • 제44권4호
    • /
    • pp.321-329
    • /
    • 1999
  • The effect of water deficits on soybean [Glycine max (L.) Merr.] could appear on seed quality through changes of morphological plant characteristics. Two Korean genotypes, Hwangkeum (determinate growth habit) and Muhan (indeterminate growth habit), were used to examine the influences of treatment stage and method of water deficit during reproductive growth period on yield and seed quality of soybean. Water deficit at R5 or R6 stages was as damaging to seed quality as double water-deficit treatments at R2+R5 or R2+R6. However, seed from double water-deficit treatment tended to have lower oxidation-reduction potential compare to the corresponding single water-deficit treatment. In comparison with Muhan, Hwangkeum had significantly greater oxidation-reduction potential value. Seed yield per plant in both genotypes depended greatly on seed yield of branches. However, the proportion of number of branch seed to total seed umber in Hwangkeum was increased as the water deficit was applied during later reproductive stage, whereas, in Muhan the proportion was lower. Water-deficit treatments including the single and double water-deficit treatments and non-stressed treatment were able to be classified into five groups for Hwangkeum and four groups for Muhan based on the influences on yield components, number of pod, number of seed, and single seed weight, using principal component analysis. In both genotypes, R2+R5 water-deficit treatment decreased number of pod and seed, but increased single seed weight. On the contrary, R6 or R2+R6 stress increased the pod and seed number, but decreased single seed weight.

  • PDF

Comparison of Sitting Balance and Coordination in Children with Spastic Cerebral Palsy Using the Korean Version of Trunk Impairment Scale (K-TIS)

  • Jung, Hye-Rim;Choi, Young-Eun
    • 대한물리의학회지
    • /
    • 제14권4호
    • /
    • pp.37-44
    • /
    • 2019
  • PURPOSE: The purpose of this study was to compare sitting balance and coordination spastic cerebral palsy in children using the Korean version of Trunk Impairment Scale (K-TIS) as well as to provide basic data about effective postural control treatment for clinicians handling these two types. METHODS: The K-TIS was measured in 29 children diagnosed with diplegic and quadriplegic cerebral palsy (18 with diplegia and 11 with quadriplegia). The average and standard scores of the children's K-TIS subscales and items of the two groups were measured. The two groups' subscales and items were analyzed by using the Mann-Whitney U test. RESULTS: Static sitting balance, dynamic sitting balance, coordination, and total score for children with diplegia were statistically high (p<.05). For all items under static sitting balance, the score for children with diplegia was higher. The first differences in the repeated items of dynamic sitting balance and coordination area that rotates between the upper and lower body were presented. CONCLUSION: The difference in balance and coordination in sitting positions is exhibited in children with diplegia and quadriplegia. For children with spastic quadriplegia, treatments should focus on static sitting balance and coordination, together with a focus on dynamic sitting balance and coordination.

보중익기탕으로 호전된 위 운동장애형 기능성 소화불량 환자 2례 (Two cases of the Gastric Dysmotility-like Dyspepsia in functional dyspepsia that were improved by Bojungiki-Tang)

  • 강래엽;김현진;한효정;박은영;장정아;김진원;서호석
    • 대한한의학방제학회지
    • /
    • 제17권2호
    • /
    • pp.203-213
    • /
    • 2009
  • Objectives : The aim of this study was to investigate an effect of Bojungiki-Tang in two cases of the Gastric dysmotility-like Dyspepsia in functional dyspepsia Methods : Subjects were 2 patients with Gastric dysmotility-like Dyspepsia. The patients had suffered from a dyspepsia that were not improved by medical treatments. We gave Bojungiki -Tang to the patients 30 minutes after each meal and tried acupuncture and moxibustion 2 times every day. And we had evaluated the condition of patients using a Ryodoraku test and ordinal scales. Results : After the comparison between an admission and discharge date at Ryodoraku test and ordinal scales, we knowed that conditions of two Gastric dysmotility-like Dyspepsia patients had improved. Conclusions : Bojungiki-Tang is effective on the improvement of conditions in the Gastric dysmotility-like Dyspepsia patients.

  • PDF

Comparison of Synthetic Lysine Sources on Growth Performance, Nutrient Digestibility and Nitrogen Retention in Weaning Pigs

  • Ju, W.S.;Yun, M.S.;Jang, Y.D.;Choi, H.B.;Chang, J.S.;Lee, H.B.;Oh, H.K.;Kim, Y.Y.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • 제21권1호
    • /
    • pp.90-96
    • /
    • 2008
  • We compared the effects of supplementing $L-lysine{\cdot}SO_4$ to L-lysine HCl on growth performance, nutrient digestibility and nitrogen retention in weaning pigs. A total of 96 crossbred pigs, weaned at $21{\pm}3$ days of age and with an average initial body weight (BW) $6.23{\pm}0.01kg$, were given one of 4 treatments, which translated into 6 replicates of 4 pigs in each pen. The animals were randomly assigned to four dietary treatments according to a randomized completely block design (RCBD) as follows: 1) control-no synthetic lysine, lysine deficient (0.80% total lysine); 2) L-C (= 0.2% L-lysine HCl); 3) K-L-S (= 0.332% $L-lysine{\cdot}SO_4$, A company); 4) C-L-S (= 0.332% $L-lysine{\cdot}SO_4$, B company). Diets were formulated with corn, soy bean meal, and corn gluten meal as the major ingredients, and all nutrients except the lysine met or exceeded NRC requirements (1998). The lysine content of supplemented synthetic lysine was the same in all treatment groups except the control. No clinical health problems associated with the dietary treatments were observed. During the entire experimental period, body weight, average daily gain (ADG) and feed efficiency (G:F ratio) increased (p<0.01) in pigs fed the experimental diets supplemented with L-lysine??HCl or $L-lysine{\cdot}SO_4$ produced by A company, irrespective of the two synthetic lysine sources. Although the supplementation of $L-lysine{\cdot}SO_4$ produced by B company tended to improve the ADG and G:F ratio, significant differences were not seen among all treatments and tended to be lower than the L-C (L-lysine HCl) and K-L-S ($L-lysine{\cdot}SO_4$ groups using the product from A company). The digestibility of crude protein (CP) was increased by the supplementation of synthetic lysine (p<0.05), irrespective of the L-lysine source (L-C, K-L-S, C-L-S). The results of this study showed that ADG, G:F ratio, and CP digestibility improved when $L-lysine{\cdot}SO_4$ or L-lysine HCl was supplemented into the weaning pigs' diet. There was a clear difference in efficacy between the two $lysine{\cdot}SO_4$ products based upon the growth performance of weaning pigs. Consequently, the bioavailability of $lysine{\cdot}SO_4$ products should be evaluated before supplementation of synthetic lysine in swine diets.

클로버씨스트선충과 사탕무씨스트선충 알과 유충에 대한 약제 반응 비교 (Comparative Responses of Sugar Beet Cyst Nematode, Heterodera schachtii and Clover Cyst Nematode, H. trifolii to Different Nematicides)

  • 정문기;이동운
    • 한국응용곤충학회지
    • /
    • 제59권4호
    • /
    • pp.361-369
    • /
    • 2020
  • 본 연구는 우리나라 고랭지 배추재배지에서 근래에 문제되고 있는 Heterodera속의 사탕무씨스트선충(H. schachtii)과 클로버씨스트선충(H. trifolii)에 대한 살선충 물질(Burkholderia rinojensis, fluazaindolizine, fluopyram, fosthiazate, hydrogen peroxide, imicyafos)들의 알과 유충에 대한 약제 반응 차이를 알아보기 위하여 수행하였다. 실험 물질에 따른 부화율 비교 결과 부화율은 처리 약제별에 따라 차이를 보였는데 fluopyram, fosthiazate, imicyafos 처리에서는 두 선충 모두 99%의 매우 높은 부화억제 효과를 보였으며 선충간 약효차이는 hydrogen peroxide를 제외하고는 없었다. 부화유충에 대한 처리별 살선충 활성은 부화 억제효과 실험에서 높은 부화억제 효과를 보였던 fluazaindolizine 처리에서만 두 선충 모두에 대하여 30%미만의 낮은 살선충 효과를 보였고, 나머지 처리에서는 90%이상의 치사율을 보였다. 처리 24시간 후와 48시간 후 모든 실험물질에 대한 2령충들의 약제반응은 종간 차이를 보이지 않았다. 실내 실험에서 동일한 기주를 가해하는 두 씨스트선충들의 살선충제들에 대한 약제 반응이 동일하게 나타나 두 선충 혼생지에서 동시방제가 가능할 것으로 판단된다.

비진행성 갑상선암 환자에 대한 제주워터의 항피로 효능에 대한 유효성과 안전성 평가 예비 임상연구 - 무작위배정, 이중맹검, 삼군위약대조군 연구 (Effects of Vanadium Water on Cancer-related Fatigue of Non Advanced Thyroid Cancer Patients: Randomized, Three armed, Triple Blinded Controlled Trial)

  • 정홍매;김동희;이석훈;김경순;유화승
    • 혜화의학회지
    • /
    • 제20권2호
    • /
    • pp.79-89
    • /
    • 2012
  • Objective : This study was conducted to evaluate of efficacy and safety of Vanadium Water (VW) on Cancer related Fatigue of Non-advanced Cancer Patients. Methods : Experimental Group Administration. Participants in treatment group consumed three 500 ml/bottle bottles of Jeju Island's VW, which contains 40.2 ${\mu}g/L$ of vanadium, three times a day (morning, afternoon, evening) for 4 weeks (28 days) without any additional treatments for fatigue improvement. The control group participants consumed three 500 ml/bottle bottles of ordinary water (0 ${\mu}g/L$ of vanadium) three times a day for the same period of time without any additional treatments for fatigue improvement. Results : After 4 weeks of VW consumption, total score of Revised Piper Fatigue Scale (RPFS) was reduced 30% and basal score after Fisher's Exact Test resulted statistical borderline significance (p=0.0799) and result of t-test of comparison between two groups' RPFS total score and fatigue cognitive/mood changes resulted statistical significance (p=0.0112). In detail, only 36.4% of control group (N=11) showed improvement while 77.8% of treatment group (N=9) showed fatigue improvement and thyroid hormone level changes. No other lab measures indicated any significant differences between two groups. Conclusion : Daily consumption of 1.5 L of Vanadium water for 4 weeks showed improvement of non-advanced cancer patients' fatigue.

소염약침 복합치료가 교통사고로 인한 초기 경추 편타 손상에 미치는 영향 (Effects of the Acupuncture Therapy in Combination with Soyeom Pharmacopuncture Therapy on Acute Whiplash Injury by Traffic Accident)

  • 임정균;이진복;이형걸;육태한;김종욱
    • Journal of Acupuncture Research
    • /
    • 제28권4호
    • /
    • pp.9-18
    • /
    • 2011
  • Objectives : This study was performed to evaluate the effects of the acupuncture therapy in combination with Soyeom pharmacopuncture therapy on acute whiplash injury by traffic accident. And thermal change of posterior neck and shoulder was observed. Methods : The clinical study was conducted to 20 cases of acute whiplash injury patients who had been admitted in Dept. of Acupuncture and Moxibusion, Woosuk University Hospital from December 1, 2010 to May 31, 2011. The patients were randomly divided into two groups. In one group(test group), patients were treated with the acupuncture therapy in combination with Soyeom pharmacopuncture therapy. And in the other group(control group), patients were treated with acupuncture therapy only. To estimate the efficacy of treatments, visual analog scale(VAS), neck disability index(NDI) of posterior neck pain were checked. And also thermal change of posterior neck and shoulder was observed by digital infrared thermographic imaging(DITI). Results : Both group represented effective improvement in VAS and NDI of posterior neck pain. Especially, test group is more effective than control group in VAS comparison, statistically. In test group, temperature of posterior neck and shoulder was decreased after treatments. But there was no significant difference between two groups on thermographic change. Conclusions : Through this study, Soyeom pharmacopuncture therapy is considered to be effective for reducing pain in acute whiplash injury patients. And after Soyeom pharmacopuncture therapy, temperature of posterior neck and shoulder show a tendency to decrease.

Evaluation of shear bond strength of repair acrylic resin to Co-Cr alloy

  • Kulunk, Safak;Kulunk, Tolga;Sarac, Duygu;Cengiz, Seda;Baba, Seniha
    • The Journal of Advanced Prosthodontics
    • /
    • 제6권4호
    • /
    • pp.272-277
    • /
    • 2014
  • PURPOSE. The purpose of this study was to investigate the impact of different surface treatment methods and thermal ageing on the bond strength of autopolymerizing acrylic resin to Co-Cr. MATERIALS AND METHODS. Co-Cr alloy specimens were divided into five groups according to the surface conditioning methods. C: No treatment; SP: flamed with the Silano-Pen device; K: airborne particle abrasion with $Al_2O_3$; Co: airborne particle abrasion with silica-coated $Al_2O_3$; KSP: flamed with the Silano-Pen device after the group K experimental protocol. Then, autopolymerized acrylic resin was applied to the treated specimen surfaces. All the groups were divided into two subgroups with the thermal cycle and water storage to determine the durability of the bond. The bond strength test was applied in an universal test machine and treated Co-Cr alloys were analyzed by scanning electron microscope (SEM). Two-way analysis of variance (ANOVA) was used to determine the significant differences among surface treatments and thermocycling. Their interactons were followed by a multiple comparison' test performed uing a post hoc Tukey HSD test (${\alpha}=.05$). RESULTS. Surface treatments significantly increased repair strengths of repair resin to Co-Cr alloy. The repair strengths of Group K, and Co significantly decreased after 6,000 cycles (P<.001). CONCLUSION. Thermocycling lead to a significant decrease in shear bond strength for air abrasion with silica-coated aluminum oxide particles. On the contrary, flaming with Silano-Pen did not cause a significant reduction in adhesion after thermocycling.

요추 추간판탈출증 환자에 대한 봉약침과 CS약침을 병행한 한의학적 복합치료 효과에 대한 증례보고 (Case Report of Two Cases on Effect of Combined Bee Venom and CS Pharmacopuncture with Koream Medicine Treatment on HIVD of L-spine)

  • 황지혜;김덕현
    • Korean Journal of Acupuncture
    • /
    • 제35권4호
    • /
    • pp.239-246
    • /
    • 2018
  • 2017년 12월 29일부터 2018년 7월27일까지 가천대 부속 길한방병원에서 MRI상 요추 추간판탈출증 진단 받고 보존적 치료위해 내원하신 요추 추간판탈출증 환자 중에서 요통 및 하지방사통에 대하여 CS약침과 봉약침의 상호보완 치료를 포함한 한의학적 복합치료를 시행한 2건의 증례에 있어서, NRS, ODI, RMDQ의 호전양상을 확인하였다. 그리고 개인마다 차이가 있었지만, CS약침으로 방사통을 유발하는 치료를 통한 요각통에 대한 강한 진통효과를 확인할 수 있었고, 봉약침은 자입시 통증이 거의 없고 제반증상 호전 및 치료후기 관리에 좋은 것으로 사료되었다. 약침반응은 CS약침의 경우 시술시의 뻐근한 느낌, 봉약침의 경우 시술초기 가려움 및 발진 등의 반응이 간헐적으로 발생되었으며, 대부분 수시간~2일 이내에 소실되었다.