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- A period of time devoted to a specific activity. 一段時(shí)間:完全專(zhuān)注某活動(dòng)的一段時(shí)間。
- The specific activity of 134Cs in fish flesh was low but the percentage of radioactivity was high that was about 30% of total raioactivity in the fish. 魚(yú)肉中~(134)Cs的比活度雖然很低,但其放射性活度占全魚(yú)總活度的百分數卻很高,達30%25左右。
- Aluminium alloy has low specific electrical resistance. 鋁合金的電阻很低。
- A small or private room set aside for a specific activity. 密室，小房間為某專(zhuān)門(mén)活動(dòng)而開(kāi)設的一個(gè)小的或私人的房間
- The MAb labeled with 153 Sm has a specific activity of 2.35 GBq/g. 153Sm標記CEA單抗的比活度達2.;35GBq/g。
- In this paper, the structure, principle and performance of a low specific speed roto-jet pump are introduced. 介紹了一種極低比轉數旋噴泵的結構、工作原理及性能特點(diǎn)。
- It may be 15 only based on metal and nonmetal composites with high strength and low specific weight. 要想使推重比達到15，還需采用強度高、比重小的非金屬和金屬復合材料。
- The process for preparing the electrode nipple pin with high binding property, low specific resistance was introduced. 摘要研制了高粘結強度、低電阻率、高滲透性能接頭栓，并說(shuō)明了改進(jìn)的目標和方向。
- Labeling 1H7 with ~(131)I by Iodogen method,the product is stable,of a high specific activity,RCP and immune activity. Iodogen法131I標記1H7,所得產(chǎn)物放射化學(xué)純度及放射性比活度高,體外穩定,生物活性保持完好,為進(jìn)一步研究奠定了基礎。
- The radiolabeled ratio was 99%, the colloid formation was 3.87%, specific activity was 348 MBq/mg. 標記率為 99%25 ;膠體放射性為 3.;87%25;放射性比活度為 34 8MBq/mg。
- After purification, the specific activity of carboxypeptidase B is 200 Units/mg protein. 從豬胰臟中提取及純化羧肽酶B。
- Method: According to inspecting the whole blood low specific viscosity,the index of aggregation of RBC,ESR,fibrinogen,TG and HBA_ 1c on DE,DM and NS. 方法 :分別對糖尿腸病組 (DE)、糖尿病組 (DM )、健康人組 (NS)進(jìn)行了低切變率下全血粘度、紅細胞聚集指數、血沉、纖維蛋白原、甘油三酯及糖化血紅蛋白指數的檢測。
- The degree of purification was 2 961.6 fold.The specific activity was 6 219.4 nmol mg-1 protein min-1 (Table 1). 該酶被純化2 961.;6倍，比活性達到6 219
- Amylase specific activity changed as "V" pattern and reached high values in later stages. 淀粉酶比活力呈“V”字型變化趨勢,晚期活性較高;
- It is defined by a loss of function of about 75 percent of the filtration system of the kidney and characterized by azotemia and low specific gravity of the urine. 其定義為腎臟過(guò)濾系統約75%25的功能喪失，特點(diǎn)為氮質(zhì)血癥和尿液比重下降。
- Flavone is widely researched in drug exploitation because of its specific activity to human body. 黃酮類(lèi)成分因其多樣生物活性是目前中藥研究的熱點(diǎn)。
- There is no special theory and design method to the low specific speed centrifugal pump.It adopts the waterpower design method of common centrifugal pump. 低比轉速離心泵水力設計由于沒(méi)有專(zhuān)門(mén)的理論和設計方法，只能采用普通離心泵的水力設計方法，從而導致圓盤(pán)摩擦損失大，泵的效率低。
- From the information given in the table, calculate the specific activity of the enzyme solution after each purification procedure. 根據表中信息,計算每個(gè)純化步驟酶的比活力。
- The rMTG was refolded by gel filtration chromatography, The specific activity and the protein concentration of MTG were 21.3U/mg and 75mg/L. 用凝膠過(guò)濾色譜法對rMTG進(jìn)行了體外復性，最終得到了復性蛋白濃度為75mg/L和比酶活為21.;3U/mg蛋白的結果。
- Moreover,the homogeneous enzyme was obtained by a one-step affinity chromatography,with purity up to 97.2% and specific activity 64 fold enhanced. 經(jīng)一步親和層析得到的兔NRDR純度為97.;2%25;比活性提高了64倍;
