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- 与 min 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Put 3g chitosan into 50mL 1% CH3COOH solution, after dissolved completely, added 9mL H2O2 into this solution and the reaction took place at temperature of 80℃ for 3 hours. Filtrated the hydrolysate and then concentrated liquid to 20mL, neutralized liquid with 1% NaOH, added 200mL ethanol to extract hydrolyte, 3000r/min eccentricity, and then we could got all water-soluble canary yellow chitosan by vacuum-freeze drying.
称取3g壳聚糖,于50mL1%冰乙酸溶液中充分溶解,加入9mL过氧化氢,在80℃条件下水浴反应3h,水解液抽滤,滤液在60℃浓缩至20mL左右,1%NaOH中和后,加入体积比为10:1左右的无水乙醇,沉淀水溶性壳聚糖,3000r/min离心,将糖液真空冷冻干燥后可得淡黄色完全水溶性壳聚糖。
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In Chapter 5, the least-squares solutions bisymmetric matrix set of the matrix equation ATXA = B on two linear manifolds Si ={X BSRnxn\\\XY - Z\\ = min} and S2 ={X BSRnXn\XY = Z, YtTZi = ZjYu ZtffYi = Zi,i = 1,2, Y, Z e Rnxm}, by applying the singular value decomposition of matrix and the canonical correlation decomposition of matrix pairs, we obtain a general expression of the least-squares solutions of the matrix equation ATXA = B on two linear manifolds.
在第五章,我们研究了两类线性流形S_1={X∈BSR~|‖XY-Z‖=min}和S_2={X∈BSR~|XY=Z,Y_i~TZ_i=Z_i~TY_i,Z_iY_i+Y_i=Z_i,i=1,2,Y,Z∈R~}上矩阵方程A~TXA=B的双对称最小二乘解。
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The addition of carrageenin in wort 10 min before the ending of wort boiling could improve wort appearance, quicken wort filtration rate, save about 20 % kieselguhr consumption and 5 % water consumption and 5 % electricity consumption.
在麦汁煮沸结束前10 min添加卡拉胶,能改善麦汁外观质量;加快麦汁过滤速度;吨酒耗硅藻土量可节省20 %左右;水耗、电耗下降5 %左右。
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Methods: red sage root,astragalus root,white peony root,corydalis tuber,fevervine herb,dahongpao,chinese gall,cinnamon bark in this preparation were identified by tlc;the content of paeoniflorin in this preparation were determined by hplc, agilent zorbax sb 4.6×150 mm,rp-18e( 5μm) was used. the mobile phase consisted of acetonitril-water ( 15:85 ), the velocity of flow was 1.00 ml.min-1.the detection wavelength was 230 nm.
采用tlc法鉴别处方中丹参、黄芪、白芍、延胡索、鸡屎藤、大红袍、五倍子、肉桂等药材;采用hplc法测定处方芍药苷含量,agilent zorbax sb 4.6×150 mm,rp-18e( 5 μm )色谱柱,流动相为乙腈-水( 15∶85 ),流速1.00 ml.min-1,检测波长230 nm。
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The research on the conditions of chlamydospore production for the liquid fermentation showed that, the better single factors were oat liquid media, 30℃, 120r/min surge culture, sucrose as carbon source,(NH_4)_2SO_4 as nitrogen source and the ratio of 20 to 1 for C/N. Under the better single factors mentioned above, the largest quantity of chlamydospore, i.e.3.05×10~7spores/ml, was obtained on the 10th day after culture.
木霉T-33菌株产生厚垣孢子的发酵条件研究表明,采用燕麦粉培养液、30℃、120r/min振荡培养、250ml三角瓶装入80ml培养液、接种5片活化2d的5mm直径的菌片,碳氮源选择蔗糖和硫酸铵,C/N为20/l,足适合T-33菌株产孢的最佳单因素条件(碳氮源实验基于Czapek培养基);用这些最佳单因素组合(不包括碳氮源和C/N结果)培养木霉T-33绘制了产孢曲线,发现在培养第10d得到最大的厚垣孢子产量3.05×10~7个/ml。
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1 At a reaction temperature of 100 ℃ and a reaction time of 30 min to give 2,which was then subjected to condensation reaction with p-propoxy mandelic acid in the presence of phosphoric acid at a molar ratio of m(2)∶m( p-propoxy mandelic acid )∶m=1∶1∶1 at a reaction temperature of 60 ℃ for 3 h to yield 3,which was further oxidized by chloranil to give t.
对现有分散红356合成工艺进行了优化,以n∶n=1.2∶1投料,100℃反应30 min得缩合物2,再在等质量磷酸催化下与分批加入的等质量对丙氧基扁桃酸60℃缩合3 h得缩合物3,经温和氧化剂四氯苯醌氧化得标题化合物,总收率55%。
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The results show that the optimal degradation conditions were as follows: the concentration of chlorobenzene is 120 mg/L, temperature is 30 ℃,pH is 7.0, rotating rate is 120 r/min.
结果表明,当氯苯浓度为120 mg/L、温度为30℃、pH为7.0、摇床转速为120 r/min时,固定化小球对氯苯的降解效果最好。
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Result:The best prescription was : Lecithin: Sodium Cholate =8∶1,Lecithin:Proanthocyanidins =15∶1,sonde-type ultrasound time was 5 min,the entrapment efficiency of FNL was 67.13%,and the results revealed the FNLs were sphere like with the mean size of 168.3 nm,the mean Zeta potential was –86.6 mV.
结果:最佳处方和制备工艺条件为卵磷脂与胆酸钠的质量比为8∶1、卵磷脂与原花青素的质量比为15∶1、探头式超声5 min。包封率为67.13%,所得柔性纳米脂质体为类球形实体粒子,平均粒径168.3 nm,平均Zeta电位-86.6 mV。
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The results indicated that the pesticide could be distributed through the body and cumulated in peripheral compartment relatively,but it could be eliminated rapidly.With parameters such as t1/2α valued 3.40min,t1/2β 59.03min and Cl 0.018ml·min-1,Its metabolism followed two-compartment open model after administration of 10 mg/kg.It was primary distributed to blood-riched organs and fat tissues and ready to be biotransformed.The metabolic product were detected in choler,which had stronger polarity with retention time 4.25min;and no parent compound was found in both urine and faeces.Key words: Toxicokinetics;Fenamithion;Organophosphorus pesticide
结果显示:螨胺磷在体内全身分布,并有周室富集,消除较快,在10mg/kg静脉注射呈二室模型,t1/2α为3.40min,t1/2β为59.03min,全身清除率Cl0.018ml·min-1;螨胺磷主要分布于血流量大的器官及脂肪组织;螨胺磷在体内不稳定,能被肝脏代谢转化成极性更高的化合物后经由胆汁排出,该成分可在同样的色谱条件下被分离,峰保留时间4.25min;粪尿中均未检出原药。
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As the retention times of cinchonine and cinchonidine were decreased with the increase of voltage, applied pressure and temperature, a rapid separation of cinchonine and cinchonidine can be obtained within 2 min under optimized conditions.
通过对上述条件的优化,可以在2 min内完成辛可宁和辛可尼丁的快速分离。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?