可试验的
- 与 可试验的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Based on the qualitative interpretation,the effect of transition segment of a stress-strain curve has been emphasized;phenomenon relating to strain rate effect have been adequately discussed,such as the stress-strain curve of a given strain rate, the increase of strain rate sensitivity of a metal with temperature,the decomposition of strain rate effect and strain hardening and multi-step loading tests.The analyses agree with the existing experimental results and update the knowledge on strain rate effect.
对材料应变率敏感性随温度变化的现象进行了分析,所得结论与现有试验结果相符;对晶体材料在恒应变率加载下的应力应变曲线进行了分析,明确提出了应力应变曲线中受应变率直接影响部分—过渡段的概念;结合位错运动分析,对恒应变率加载下晶体材料的应力应变曲线进行了解释,深化了对应变率效应的认识;提出了应变率效应与应变硬化效应可分别研究的观点,完善了对应变率效应细观机理的认识。
-
Test results show the linearity of COCT is better than IEC 0.2 class limit, and is suitable to the applications, in which the voltages are higher than 220 kV, the COCT accuracy is almost not affected by the existence of neighbor phases. The temperature test result tells in the temperature range of 50 ℃ the error of COCT is less than 1%, much better than an uncompensated one 16%. And thus the effectiveness of COCT is verified.
试验结果表明:比较式光学电流互感器的线性度可达到IEC 0.2级要求;在光学电流互感器适用的220 kV以上电压等级应用场合,比较式光学电流互感器具有较好的抗干扰性能;在50 ℃温度变化范围内,普通光学电流互感器的误差变化量高达16%,而比较式光学电流互感器的误差变化仅有1%,证实了基于比较法的补偿方案的有效性。
-
The type, initial feeding time and concentration of precursor for HV unit formation had great effects on PHBV production in shake flasks. Propionate was selected as the better precursor for HV fraction than valerate after comprehensive survey of these two precursors. The suitable PHBV shaking-flask culture conditions were obtained through the analysis of PHBV fermentation process, the investigation of several factors by using RSA method and the fed-batch experiments. Cell dry weight, PHBV content, PHBV concentration, HV fraction and yield coefficient of HV unit to propionate were 27. 7g/L, 80.7%, 22. 4g/L, 16. 1mol% and 0.50g/g, respectively.
在共聚物PHBV的摇瓶发酵过程中,PHBV中HV组分形成的前体物质的种类、初始加入时间以及加入量是影响PHBV发酵过程的重要因素;在综合比较丙酸和戊酸这两种前体的基础上,选择丙酸作为HV组分合成前体较适宜;通过对PHBV发酵过程曲线分析、影响PHBV发酵指标的各因素的响应面分析以及摇瓶发酵补料试验,得到了较适宜的PHBV摇瓶发酵补料条件,在此条件下,细胞干重、PHBV含量、PHBV浓度、HV组分含量和HV组分对丙酸的产率系数可分别达到27.7g/L、80.7%、22.4g/L、16.1mo1%和
-
ET tube insertion procedures were performed on 59 pediatric patients aged newborn to 17 years (33 boys) due to cardiopulmonary arrest or impending respiratory failure. Ultrasound images were taken before and after the procedure in two-dimensional and time-sector modes using a portable ultrasonic machine. The subxiphoid window at the mid-upper abdominal — just beneath the xiphoid process and the lower margin of the liver — was used most often, with a wide transducer sector angle (90 degrees) for bilateral scanning of the diaphragm.
这项试验对59位从新生儿到17岁(33位男童)的小儿科病患进行插管,插管的原因是因为心肺衰竭或是严重的呼吸衰竭;在插管前与后使用可携带式超音波机器进行二度空间与时间象限的超音波显影;最常使用中上腹的剑突影像,就在剑突与肝脏下下缘部份的影像,与以宽的转换区间角度(90度)作横隔膜双侧扫描。
-
Process of flotation of acture ore is the following: firstly, adding Na_2CO_3, ZnSO_4, CSU-1 to the pulp while grinding, and thus in this condition of low Eh, marmatite is inhibited; Secondly, adding CSU-1 to the pulp out of grinding machine, then amesonite and iron sulfur mineral can be flotated using diethyldithiocarbamate as collector; High quality lead and antimony concentrate can be got by adding CSU-1 and calcareousness; Lastly, marmatite is flotated by adding calcareousness, CuSO_4, xanthe, and D-250 to get zinc concentrate.
小型试验研究表明,首先在脱硫粗选作业只加入适量的Na_2CO_3、ZnSOO_4、和CSU-1至磨矿机,利用磨矿机的研磨和磨机中的低电位环境,使铁闪锌矿受到抑制,而最容易浮的脆硫锑铅矿和黄铁矿、磁黄铁矿等硫化矿物则依然具有可浮性;在磨机出来的矿浆中分别加入CSU-1进一步抑制易浮的铁闪锌矿,然后加入乙硫氮将脆硫锑铅矿和硫化铁矿快速浮净,加入石灰和CSU-1,浮选分离出高质量的铅锑精矿;接着添加石灰、CuSO_4、黄药及2~#油选别铁闪锌矿。
-
Thunberg Fritillary Bulb is one of the most popular Traditional Chinese herbs. Some trials in vivo and animals indicated that Peimine and Peiminine, extracted from Thunbery Fritillary Bulb, have the function of reversing MDR of two different kinds of mechanisms. They can improve the cytotoxic of ADR to cancer cells by 5~10 folds under concentration of 10% cancer cell growth inhibitory rate. Peimine and Peiminine not only feather typical character of modifier of MDR, but also differ from other moldifiers such as Calcium channel blocker, Cyclosporines in chemical structure, they belong to cevine groups alkaloid, a subgroup of C-Nor-D-homosteroid alkaloid.
浙贝母是临床常用中药,体外及动物试验证明,浙贝母中的有效活性成分贝母甲素和贝母乙素具有逆转肿瘤细胞MDR的作用,而且能逆转两种不同机制的多药耐药肿瘤细胞的耐药性,在无明显细胞毒剂量下,可使阿霉素对耐药肿瘤细胞的杀伤活性提高5-10倍,不但具备明确的多药耐药逆转剂的特征,而且在化学结构上属异甾类生物碱中的瑟文类生物碱,完全不同于钙离子拮抗剂、免疫抑制剂和其它现有的耐药逆转剂,具有作用靶点宽、化学结构独特的特点。
-
Mathematical model was set up,on the basis of dynamics formulation,normal expanse of the target interface ,and supposed concrete medium was constringent material.
根据弹体动力学基本方程和假定混凝土为可压缩材料,基于弹靶接触表面处靶体材料的法向膨胀性,对跳弹现象进行理论分析,在合理假设的前提下,建立了跳弹现象的数学模型; 2)针对该模型编制计算机程序,在给定初始入射速度、入射角后可以判断出能否产生跳弹现象,输出产生跳弹现象时所对应的初始侵彻条件,并通过穷举法得出跳弹临界相图,对于斜侵入情况,能计算出弹体在不同侵彻阶段下的运行时间并能绘制出侵彻轨迹,结合现有的试验数据,进行对比分析,二者符合良好,证实了理论分析模型的合理性; 3)开展了跳弹现象的数值模拟研究。
-
In the course of establishing standard operating procedure, The temperature, time , the feasibility without decorticating and efficiency were investigated when alliinase was deactivated used a dry heating apparatus in tunnel type, but the efficiency can be achieved less than 70%, need to be improved; The reformative cribriform plate has been proved to be good in practice result in pulping enzyme-deactivated garlic without dehulling; The extraction efficiency achieved more than 90% when volumic ratio of 20% alcohol and water is 3 I 1 and 2:1 was adopted to extract alliin two times respectively; During exact filtration, the ratio of diatomite in precoating and filtration was 3% and 1% respectively, the losses of alliin adsorbed by diatomite in extraction solution were not remarkable. In the stage of alliin isolation by ion exchange resin, three simple and sensitive detected measures were successfully adopted to control the whole process; the efficiency of alliin isolation was similar to laboratory results; The alliin yield was over 50% in acidic fractions and the purity quotient of alliin achieved above 50% after drying; Furthermore, the phenomenon was found that losses of alliin were seriously affected by the temperature and time periods in concentration.
在制定中试生产标准操作规程中,考察了隧道式干热烘干机杀酶的温度、时间和效率,干热灭酶效率只能达到70%,待改进;改良的筛板使带皮打浆效果良好,证明非脱皮熟蒜打浆的可行性,减少了工序,降低了成本;提取过程中,20%酒精分别1∶3和1∶2提取2次,效率达90%以上;硅藻土板框过滤时,探索了精滤过程中提取液中预涂和过滤时硅藻土的比例分别为3%和1%,并考察硅藻土对蒜氨酸的吸附损失,滤液澄明度良好,蒜氨酸损失很少;在树脂吸附分离阶段,采用三种简便灵敏检测手段控制生产过程,分离蒜氨酸的效果与实验室一致,酸性流分中蒜氨酸收率可达50%以上,干燥后蒜氨酸纯度达50%以上;试验发现浓缩蒜氨酸洗脱液时温度和浓缩时间对蒜氨酸损失的具有很大影响。
-
The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.
氯化镍既可用于电镀,又是制备电镀化学品氨基磺酸镍的重要原料,其中的铅是影响电镀镍质量的一个重要因素,现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准,经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂,在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响,测出了树脂的吸附容量并考察了树脂的解析性能。
-
A submerged membrane sequencing batch bioreactor was used to treat coke wastewater.Long running performance showed that due to the membrane interception,the nitrobacter is enriched in reactor in the interest of improving the nitrification rate;the maximum ammonia nitrogen loading can be 0.19 kg/(m3·d) with effluent ammonia nitrogen<1 mg/L (removal rate 99%).Long sludge retention time may result in the accumulation of metabolic products and high molecular materials,and thus inhibiting activity of nitrate bacteria and causing a ccumulation of NO2-,which is beneficial to the running of short-cut denitrif ication.However,too long retention time will affect the activity of nitrite bacteria,detrimental to the treatment effect of ammonia nitrogen.
采用浸没式膜生物反应器处理焦化废水的试验结果表明:膜的截留作用可使硝化菌在反应器内富集而有利于提高系统的硝化能力,其去除氨氮的最高负荷为0.19kg/(m3·d),出水氨氮<1mg/L(去除率为99%);泥龄长可能使微生物的代谢产物或其他大分子物质积累,从而抑制硝酸盐细菌的活性,导致NO2-积累而有利于短程脱氮的进行,但泥龄过长也会影响亚硝酸盐细菌的活性,从而影响对氨氮的处理效果。
- 推荐网络例句
-
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。
-
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。
-
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?