• 대한환경공학회지
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• 제35권11호
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• pp.803-808
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• 2013

본 연구의 목적은 칼슘염을 함유한 레미콘 슬러지를 이용하여 불소함유폐수를 물에 난용성인 $CaF_2$ 화합물 형태로 침전시켜 처리하는데 있어 pH, 레미콘슬러지 주입량, Seed물질 주입량, 교반속도, 교반시간의 최적 조건을 도출하고자 하는데 있다. 실험결과 레미콘 슬러지를 이용한 대상폐수의 $CaF_2$ 침전 반응에서 함수율 및 불소의 제거효율 등을 고려할 경우 최적의 pH 6, 레미콘 슬러지 주입량은 10 g/L, Seed 물질 주입량은 2 g/L, 교반속도은 100 rpm, 교반시간은 60 min으로 관찰되었다. 이 때 Seed 물질의 주입은 불소제거효율에는 영향이 없는 것으로 나타났지만 침전물의 형성이 되는 반응을 촉진시키고 플럭형성을 원활하게 하여 고액 분리가 잘 되어 함수율이 낮아지는 결과가 나타났다.

• 한국자원식물학회지
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• 제19권6호
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• pp.692-696
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• 2006

This study was conducted to evaluate the effect of seed disinfectant, in control of brown leaf blight, growth characteristics, and dry root yield in the cultivation of Alisma plantago after early maturing rice cropping. Experimental plot was laid out in split plots design with three replications. The major seed disinfectants were benomyl Wp, 20%, Captan Wp, 50%, Triferine Ec, 17%, Etridia zole Ec, 25%, and Thioplant-mythyl Wp, 50%. Even though seed disinfectant treated had no effect on the growth and flowering date of Alisma plantago, dry root yield was increased largely with benomyl Wp, 20%, in seed disinfectant than in the other seed disinfectants and contorl. All seed disinfectants had no injury with standard dosage. But all seed disinfectants had slight injury in the double dosage level for the Alisma plantago. On the basis of yield, vegetative and disease paramerer, benomyl Wp (20%) ($100g/20{\ell}$) had shown superior performance, however, all the seed disinfectants are effective as compare to without treatment.

• Plant Resources
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• 제8권2호
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• pp.130-134
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• 2005

This study was conducted to evaluate the control effect of fungicides on control of Gray mold, growth characteristics, and root yield in the cultivation of Scutellaria baicalensis after barley cropping. All fungicides treated had no effect on the growth and flowering rate of Scutellaria baicalensis. All seed disinfectants had no effect on the growth and flowering date of Scutellaria baicalensis Georg. The major seed disinfectants were Benomyl Wp, $20\%$, Captan Wp, $50\%$, Hymexazol Ec, $30\%$, Carboxin D, $37.5\%$. Dry root yield were increased largely with Benomyl Wp, $20\%$, seed disinfectant than the other seed disinfectants had no injury with standard dosage. On the other hand, all seed disinfectants had slight injury in the double dosage level for the Scutellaria baicalensis Georg.

• 상하수도학회지
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• 제18권2호
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• pp.174-180
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• 2004

This study is a fundamental research to test the applicability of abandoned eggshell as seed material for crystallization reaction. Eggshell was calcinated at $850^{\circ}C$ and ground to lesser than 0.42mm. The calcination characteristics of eggshell were examined by X-ray diffraction (XRD). The effect of initial calcium concentration, alkalinity, reaction temperature condition, seed dosage were studied by batch test. For the low concentration sample(P concentration is under 50mg/L), more than 90% of P can be removed. The effect of initial calcium concentration(0~120mg/L) was performed. At the result of the test, more than 50mg/L calcium concentration has high removal efficiency. Alkalinity effect was studied for synthetic solution(100mg/L initial P, 50mg/L calcium, 0.025% seed dosage) with 0~300mg/L bicarbonate alkalinities. For synthetic solution(100mg/L initial P, 50mg/L calcium, 100mg/L bicarbonate alkalinity, 0.025% seed dosage), the phosphorus concentration was examined with $10{\sim}35^{\circ}C$. In addition, calcinated eggshell was injected to swine wastewater to test the applicability to actual wastewater.

• 한국작물학회지
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• 제51권6호
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• pp.519-522
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• 2006

Randomized field experiments were conducted to study the interactive effect of sulphur (S) and nitrogen (N) on seed, oil and protein yield of two cultivars of groundnut {Arachis hypogea: cv Amber $(V_{1})$: cv Kaushal, $(V_{2})$.} Two dosage levels of sulphur ($0\;and\;20kg\;ha^{-1}$) and two dosage levels of N ($23.5\;and\;43.5kg\;ha^{-1}$) in various combinations were tested as micronutrient treatments, $T_{1},\;T_{2},\;and\;T_{3}$. Results indicated significant enhancement of the yield components namely seed and oil yield as well as seed protein. Maximum response was observed with treatment $T_{3}$(having 20kg S and 43.5kg N $ha^{-1})$. Increase in seed and oil yields of 90% and 103% in $V_{1}$, and 79 and 90% in $V_{2}$, respectively were recorded as compared to the control treatment $T_{1}$(having 0kg S and 23.5kg N $ha^{-1}$). Effect of S and N interaction was observed on protein, N and S content in seeds. The results obtained by these experiments clearly suggest that judicious balanced application of N and S could improve the yield.

• 대한본초학회지
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• 제37권5호
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• pp.75-81
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• 2022

Objectives : In 『Treatise on Cold Damage Diseases』, the volume of preparation dosage measured in Hap was 6.5mL. This study aimed to confirm that a square-inch-spoon, which measures powder preparation dosage, was 1/3 Hap, and that Jeon-bi was 1/8 square-inch-spoon. Based on these values, this study also aimed to adjust the diameter of Firmiana-Seed-sized pill preparation, currently known as 6.5mm, so that one square-inch-spoon of powder preparation creates 16 pills. Methods : Calculated the ratio between the floor areas of square-inch-spoon and Jeon-bi and measured the ratio of volume; assumed that powder preparations were stacked as much as possible in the shape of a square pyramid when scooped comfortably, then calculated the slopes of 1/3 Hap and 1/4 Hap; measured the volumes of powdered Oryeongsan and Lijungwhan in square-inch-spoon and Jeon-bi; created the powders into Firmiana-Seed-sized pill preparation; adjusted the diameter of Firmiana Seed so that 16 pills could be created. Results : Inferring from the floor areas, the volume of square-inch-spoon is 9.2 times that of Jeon-bi; one square-inch-spoon should be 1/3 Hap for the powder to reach its maximum slope of 47° and, according to actual measurement of powder preparations, reach its maximum volume; when created into Firmiana-Seed-sized pill preparations, one square-inch-spoon should be 1/3 Hap so that approximately 16 pills were created. Conclusions : One square-inch-spoon of powder preparation was 1/3 Hap(2.17mL), Jeon-bi was 1/8 square-inch-spoon(0.27mL), and the diameter of Firmiana-Seed-sized pill preparation was 5.5mm.

• 대한환경공학회지
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• 제32권6호
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• pp.593-598
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• 2010

본 연구에서는 유동상 반응기를 이용하여 고농도의 질소, 인 및 불소가 동시에 존재하는 반도체 폐수 내 불소 처리시 불소 제거효율 향상, 함수율 저감 및 생성 슬러지($CaF_2$)의 순도 향상을 꾀하고자 하였다. 이를 위해 pH 및 seed 주입량, 유출수의 순환여부에 따른 영향을 살펴본 결과 유출수 재순환 시 불소제거효율, 슬러지 순도 및 함수율을 모두 고려할 경우 최적의 pH는 5, seed 주입량은 150 g으로 관찰되었다. 이때의 불소 및 인 제거효율은 94.24 및 8.97%로 나타났고, 함수율은 12.94%로 확인되었다. Seed 주입량의 증가는 불소제거효율을 증가시킬 뿐만 아니라 유출수 재순환 및 pH 변동에 따른 불소제거효율 감소도 억제시키는 것으로 나타났다.

• 한국자원식물학회지
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• 제19권3호
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• pp.392-396
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• 2006

This study was conducted to evaluate the control effect of fungicides of sclerotinia rot control, growth characteristics, and seed yield in the cultivation of rapeseed. All fungicides treated had no effect on the growth of rapeseed. The major fungicides were mancozeb 75% WP, chlorothalonil 75% WP, dithianon 43% WP. difenoconazole 10% WP, benomyl 50% WP, and propineb 70% WP. Dry seed yield and control were increased largely with chlorothalonil 75% WP ($33g/12{\ell}$), fungicide than the other fungicides Sclerotinia rot. All fungicides had no injury with standard dosage. On the other hand all fungicides had slight injury in the double dosage level for the rapeseed.

• 농약과학회지
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• 제7권3호
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• pp.216-222
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• 2003

벼 육묘기간 중에 발생되는 벼 키다리병의 방제법을 확립하고자 최근에 육성된 벼 품종별 발병 정도와 시판되는 종자소독제의 방제효과를 조사하였으며 종자소독시 약액의 온도, 처리시간 및 약량에 따른 벼 키다리병 방제효과를 조사하였다. 품종별 벼 키다리병 발생정도를 조사한 결과 화영벼, 동진벼, 호안벼, 농호벼, 남평벼, 호진벼 6 품종이 저항성 품종으로, 그루벼, 소비벼, 오대벼, 주남벼, 삼천벼, 상주벼, 화봉벼 7 품종이 감수성 품종으로 분류되었다. 종자소독제별 벼 키다리병 방제효과에 있어서 prochloraz, fludioxonil, carpropamid+imidacloprid+fludioxonil 등은 높은 방제 효과를 보였으나 benomyl+thiram, thiophanatemethy+thiram, thiophanate-metyl+triflumizole등은 방제효과가 저조하였다. 종자소독당시 수온에 따른 벼 키다리병 방제가는 $10^{\circ}C$에서는 61% 이었으나 온도가 높아질수록 상승하여 $30\sim35^{\circ}C$에서는 벼 키다리병을 $95\sim98%$이상 방제할 수 있었다. 그러나 종자소독시간과 약량은 벼 키다리병 방제에 크게 영향을 미치지 않았다. 따라서 벼 키다리병을 효율적으로 방제하기 위해서는 저항성이 강한 벼 품종과 효과가 우수한 종자 소독제 선정 그리고 종자소독시 적정수온을 유지하는 것이 중요한 것으로 나타났다.

• Journal of Plant Biology
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• 제13권2호
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• pp.15-20
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• 1970

The treatment of X-ray was manipulated with the large focus of X-ray which was produced the capacity of 90 kilovoltage and 30 milliamphere in the distance of 50 centimeter. The germination of each gruop irradiated with X-ray for 5, 6, and 7 seconds was more delayed in the growth of carrot seed than those of the control group. However the germination of each group irradiated with X-ray for 2, 3, and 4 seconds was rather accelerated than those of the control group. The irradiation of ultraviolet light was carried out in the distance of 20 centimeter by Toshiba germidicial lamp which appeared the wavelength of 2537A$^{\circ}$. The germination of each group irradiated with ultraviolet light for 9, 15, 20, and 40 minutes was more delayed than those of the control group, but the germination of carrot seed was accelerated by adequate dosage of ultraviolet light. Consuquently it was suggested for the author that the inhibited substance contained in carrot seed would be certain fatty substance, becasue the germination of carrot seed was more accelerated by the treatment of acetone than those of X-ray and ultraviolet light.