extraction factor 中文意思是什麼

extraction factor 解釋
抽提素因
  • extraction : n. 1. 抽出，拔出。2. 【化學】提取（法）；萃取（法）；回收物，提出物；精煉。3. 精選，摘要。4. 血統，家世，出身。5. 【數學】開方，求根。
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究，探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題，並針對bp演算法的缺陷提出了和實現了改進型bp演算法，使網路學習效率提高，對不同人的不同字型字體有較強的魯棒性，採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  2. Detecting bacterial endotoxin in procaine hydrochloride injection by limulus test after excluding interferentail factor by extraction

    奧沙利鉑注射液細菌內毒素檢查方法的研究
  3. The research of extraction of transfer factor in bovine spleen

    牛脾轉移因子的提取工藝研究
  4. Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously

    本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法，認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制，導致鋯的部分水解，因而此方法不宜用於icp - ms中，然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中，全程回收率為93 . 2 ，相對標準偏差為5 . 24 ，鈾的一次去污因子為3 . 2 10 ~ 4 ，鋯的測定下限為0 . 04ng / ml ，本文首次將tta萃取分離鈾中鋯用於icp - ms測量中，結果令人滿意，此方法適用於快速、準確測量鈾產品中微量鋯。
  5. Objective to study the effect of panax quinquefolius saponin, an extraction from stem and leaf of american ginseng, on vascular regeneration in infarcted area, and expressions of vascular endothelial growth factor vegf and basic fibroblast growth.

    目的觀察西洋參莖葉總皂苷panax quinquefolius saponin ， pqs對急性心肌梗死ami大鼠缺血心肌血管內皮細胞生長因子vegf堿性成纖維細胞生長因子bfgf表達及梗死區血管新生的作用。
  6. Target identification technique is one of the pivotal factors for accurate strike in precision guidance technique. feature extraction is the important factor of target identification

    精確制導技術中的目標識別技術是完成精確打擊的關鍵，而其中的特徵提取是重要一環。
  7. Ingredients : vitamin c extraction, multi - fruits extracted beautifying and whitening factor, super - tiny pearl powder, amino acid, natural moisturizing factor, carrot element, and citric acid

    成份：維生素? c萃取物、多種水果提取美白因子、超細珍珠粉，氨基酸，天然保濕因子、胡蘿卜素、檸檬酸。
  8. When facing the dilemma of preservation of natural tooth or extraction of hopeless teeth and replacement with dental implants, patient ' s surgical condition and needs shall be the most important factor to consider

    然而當臨床上面臨保留自然牙齒，還是選擇人工植牙的兩難時，首先應考慮患者的條件與需要。
  9. The polystyrene particles with 2. 8 micrometer mean diameter were prepared by dispersion polymerization and hollow porous micro - sphere were prepared by extraction after seeding emulsion polymerization. particles with multi - hollow structure were obtained and characterized by sem, additionally the mechanism and factor about formation of porous structure were also discussed. to prepare the biodegradable nano - particles, reversed - phase micro - emulsion and ionotropic gelation methods were used

    利用分散聚合法制得了粒徑約為3 m的聚苯乙烯種子微球，再通過溶脹、交聯、種子乳液聚合及萃取處理，最後得到中空多孔的聚合微球，並討論了其成孔機理和各博士論文功能型復合超微粒子的制備研究因素的影響。
  10. Considering the characteristic of the characters on containers, characters are distorted owing to the influence of natural and artificial factor, we take a profound research on the general problem of character extraction and recognition. main work in the thesis is as follows : 1

    該方法考慮到集裝箱編號的特點，即集裝箱字元由於自然或人為因素可能被嚴重污染，清晰度差等問題，對字元的分割和識別方法進行了深入的研究，主要完成了以下工作： 1
  11. This paper is focus on the average nitrogen purity related to the air - separation production, and the function of improving oxygen extraction rate. analyzed the affecting factor of average nitrogen purity. and summarized the method of improve average nitrogen purity and its application to an air - separation plant

    氮氣平均純度對空分生產中提高氧氣提取率有重要的作用，分析了影響氮氣平均純度的幾種因素，總結出空分裝置提高氮氣平均純度的方法及應用。
  12. Effect of extraction from rhizoma alpiniae officinarum by co2 sfe on ulcer index and epidermal grouth factor and interleukin - 2 in stress ulcer rat

    小牛血去蛋白提取物對大鼠實驗性胃潰瘍的療效觀察
  13. The shotgun method was only used with b. subtilis hn503. the optimun conditions for total dna extraction, enzyme digest, ligation and transformation were studied the results showed that the most important factor was transformation efficiency. since the concentration of ligation products was low in common

    在已知基因序列的條件下用pcr和rt一cr克隆基因時，對pcr和rt一pcr的反應條件、產物的回收、回收產物的酶切、酶連和轉化等條件進行了一系列的比較研究。
  14. The extraction technology of carotenoid from arctium lappa l is under study in this paper, and the effects of factors like extraction temperature, extraction times, granularity of burdock dusts, and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment

    摘要考察了牛蒡中類胡蘿卜素的提取工藝，並通過單因素實驗和正交試驗研究了提取溫度、提取次數、物料粉碎粒度、料液比等因素對類胡蘿卜素提取率的影響。
  15. This prescription selects rare chinese traditional medicines that have effects of blood fat reducing and weight reduction, enhancing the secretion of thin factor by brown adipose cells. and it is made with extra care of the essence extracted with japanese scientific extraction technology

    本方精選降脂減肥，提高人體棕色脂肪細胞分泌瘦素作用的名貴中藥，且採用日本高科技萃取工藝萃取精華精製而成。
  16. Objective to study the effect of panax quinquefolius saponin, an extraction from stem and leaf of american ginseng, on vascular regeneration in infarcted area, and expressions of vascular endothelial growth factor vegf and basic fibroblast growth factor bfgf in myocardium of rats with acute myocardial infarction

    目的觀察西洋參莖葉總皂苷panax quinquefolius saponin ， pqs對急性心肌梗死ami大鼠缺血心肌血管內皮細胞生長因子vegf堿性成纖維細胞生長因子bfgf表達及梗死區血管新生的作用。
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