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1.(X) According to study of two extraction methods (CTAB and SDS), qualification andquantity of DNA from CTAB method are better than SDS method among two-needle pines.
①通过对两种DNA提取方法（CTAB和SDS）的比较研究，认为利用CTAB法提取两针松的DNA在质和量上都高于SDS法。收藏指正
2.Objective To study the selection of two kinds of venous indwelling needle for aged patients with chronic block pulmonary disease(COPD).
目的观察研究2种不同型号静脉留置针在高龄COPD病人中的应用选择。收藏指正
3.Mrs. Hale :)( Mildly . ) Just pulling out a stitch or two that ‘s not sewed very good . ( Threading a needle . ) Bad sewing always made me fidgety .
黑尔夫人：（语气温和地）只是拆开一两针缝得不太好的针脚。（穿好针）一见到针脚不好，我就烦躁不安。收藏指正
4.Electric conduction has exterior electrode and needle electrode extremely two kinds.
导电极有表面电极和针电极两种。收藏指正
5.The two kinds of key fabrication technology of the micro-needle array have been studied, which are HF-HNO3 etching technology and the ICP etching technology.
内容主要研究了微针阵列加工的两种关键技术——HF-HNO_3腐蚀液刻蚀技术和电感耦合等离子体刻蚀技术,并基于这两种工艺,研究微针的套刻工艺。收藏指正
6.Already two half-and-half check liver is one, 3, 5 positive, such whether hit antibody needle, make the 2nd also shows masculine gender?
已肝两对半检查是一、三、五阳性，这样能否打抗体针，使第二项也呈阳性呢？收藏指正
7.Methods 40 teeth extracted were selected for this study because of trauma or periodontal disease,two drainage pinholes were drilled in middle neck 1/3 of buccal surface of tooth,transfusion needle (processed) for infant was inserted into tooth and dental pulp inflamed was irrigated immediately,dental pulp irrigation was observed.
方法选择因外伤或牙周病拔除的牙齿40个,在牙颊面颈1/3中部钻两个小孔,插入小儿头皮静脉针(已按需要处理)进行牙髓冲洗,观察髓腔冲洗引流情况。收藏指正
8.Methods Two canines were subjected to the injection of ozone oxygen gas (3ml with concentration of 30μg/ml) into the L4/5 and L5/6 discs respectively with 21G Chiba needle. The procedure was repeated a week later .
方法　选用 2只实验犬的腰 4/ 5和腰 5 / 6椎间盘 ,以 2 1GChiba针穿刺椎间盘中心部并向内注入 3ml浓度为 30 μg/ml的臭氧—氧气混合气体 ,1周后重复 1次。收藏指正
9.1. The microstructure of 35CrMnSi steel EBW joints on two kinds of thickness were studied, the results show that the microstructure of the EBW welds is coarse needle martensite and a small amount of residual austenite; the main structures of heat affected zones are lath-shaped martensite and a small amount of residual autenite; the microstructures of base metal are ferrite and pearlite.
1.对两种厚度的35CrMnSi钢平板电子束焊接接头的显微组织进行了试验研究,结果表明:经电子束焊接后,两板焊缝组织均为粗大针状马氏体和少量残余奥氏体,热影响区组织由板条马氏体、贝氏体和少量残余奥氏体组成,母材组织为铁素体加珠光体组织。收藏指正
10.And for the reinforcing method of "hungry horse ringing a bell": The needle hand was held by two fingers with slowly and slightly rocked for 50 times, like weakness of hungry horse.
“饿马摇铃”补法的操作要点是:二指持针柄缓慢轻微摇摆50次,如饿马无力之状。收藏指正
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