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The results show that by providing wastewaters pH of about 3 and reaction time of 2 hours, the quantity of H2O2 of 40 mL/L, the concentration of ferrous iron is 0.4 g/L, the effluent of microelectrolysis goes into Biological contact oxidation process, in which DO, HRT and volume load are 4.5 mg/L, 10 hours and 1.0 kg CODCr/(m3·d) respectively, satisfying the first grade of the national standard.

结果表明,在废水pH值为3左右、反应时间2 h的前提下,双氧水投加量40 mL/L,二价铁离子质量浓度为0.4 g/L,再经过微电解处理后的出水进入接触氧化阶段。在溶解氧为4.5 mg/L左右,水力停留时间为10 h、容积负荷1.0 kg CODCr/(m3·d)左右的条件下,出水CODCr小于100 mg/L,可达到国家对丙烯腈废水处理要求的一级标准。

The experimental results shows, if the ratio between MS-1 and OP-10 rangs from 1:1 to 3:l,and the total dosage of them is about 20% of Octamethylcyclotetrasiloxane (D4 ) in quality, we can obtain a kind of stable seeded emulsion of organic silicone modified acrylic ester emulsion. At the same time, if the ratio between MS-1 and Tetramethylammonium Chlorideis l:1.7,the total dosage is about 50% of D4 in quality; the ratio between MS-1 and Cetyltrimethylammonium Chlorineis 7:1, the total dosage is about 25% of D4 in quality,we can also obtain stable seeded emulsions. But if the complex emulsifier system is made of TMAC and OP-10, MS-1 and Peregal O or CTAC and Span-80, we can not synthesize any kind of satisfactory seeded emulsions.

实验结果表明:当MS-1与OP-10的质量比为1:1~3:1,总用量为八甲基环四硅氧烷(D_4)的20%左右时,可合成稳定性良好的硅丙种子乳液;MS-1与四甲基氯化铵的质量比为1:1.7,总用量为D_4的50%左右,MS-1与十六烷基三甲基氯化铵的质量比为7:1,总用量为D_4的25%左右时,亦能得到稳定的硅丙种子乳液;而TMAC与OP-10、MS-1与Peregal O以及CTAC与Span-80的复合体系作为乳化剂时均不能得到满意的硅丙种子乳液。

Constitution:the button-sewing machine comprises:a fixing means 构件 for fixing a buttonand an article being sewn;a moving means for moving the fixing means to stitch the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade;and a button,wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

一种钉扣机,设置有布料保持件的可动、固定切换机构,该切换机构在钉扣缝制时可在以下两种状态之间进行切换:将布料保持件固定保持在规定位置上从而停止该布料保持件在左右方向上的移动的状态、或者解除对布料保持件的位置固定从而使该布料保持件通过可动台与纽扣保持件一起在前后方向、左右方向上移动的状态,在该切换机构上安装有可在左右方向上的一定范围内调整布料保持件的固定保持位置的位置调整机构,由此可使整体结构简单,可实现小型化、轻量化及低成本化,且即使在将柔软的布料作为缝制对象时也不会出现缝制褶皱等,另外,无论线的种类和粗细如何,都可进行缝制品质高的钉扣。

Estimation of trophic position indicated that upland buzzards stand at trophic position 4 23, far from that of small mammals, i.e., upland buzzards scarcely captured small mammals as food at the duration of food shortage.

通过稳定性同位素营养级模型的运算发现,大处在 4 2 3左右的营养级;雀形目鸟类处在 2 4到 3 39左右的营养级,而小型哺乳类则处在 1 4 5到 1 82左右的营养级。

My baby was 2 weeks premature Caesarean section birth, insufficient breast milk, a month-An artificial feeding infant formula, has been eating better, although not a lot of food, but feed feeding table on the small standard deviation. 3 months have been all-you-can-per-150ML (a daily 5 times), but from 100 days to go to work I started on the point of death, my mother fed her the first time when the spit after eating 160ml, From then on, she ate 1 milk cried, but also fewer, and sometimes even a day 600ml are not, I work to feed her a little better, so that lasted about 10 days, my mother fed her不哭, and a 150ML, half an hour or so, I and she was dying husband to feed, each drink 60ml always to哭一场, tired of crying sleep eat eat 100ML, before and after one hour, the key is always eaten吐奶, four hours after the infants When she was always not interested, do not care to eat do not eat at all, thought it was tired of the beginning of milk, or poor appetite, but now has lasted more than a month, or about 700ml a day, nothing else very good, playing love laugh, urine are normal, sleep, or how to do?

我的孩子是早产2周剖腹出生,母乳不足,1个月开始人工喂养安婴儿奶粉,一直吃的还好,虽然吃的不是很多,但和喂哺表上的标准差的不多。3个月时已经吃到每次150ML(每日5次),可是从100天后我上班开始就不行了,我母亲给她喂第一次时160ML吃完后吐了,从此以后,她一吃奶就哭,而且量也少多了,有时一天连600ML都没有,我下班喂她稍微能好些,这样持续了十天左右,我母亲喂她不哭了,一次150ML,半小时左右,我和老公喂她却不行了,每次喝到60ML时总要哭一场,哭累了睡着吃再吃100ML,前后要一小时,关键是这样吃完总是吐奶,四小时后该吃奶时她总是没兴趣,一点都不在意吃不吃,开始以为是厌奶,或是胃口不好,可现在已经持续一个多月了,还是一天700ML左右,其他什么都很好,爱玩爱笑,大小便都正常,睡觉也好,怎么办?

Wild giant pandas generally live for about 20 years, giant panda birth, the body is a flesh-colored, weighing about 100 to 200 g; about 20 days to grow hair; in 3 months or so hair can be long-range a; panda baby at six months of age can begin feeding the; grow to 6,7 years of age have fertility capability.

野生的大熊猫一般来说能活20年左右,大熊猫出生时,身体是肉色的,体重大约在100~200克;大约20天左右长出毛来;在3个月左右毛就能长齐全了;熊猫宝宝在半岁时就可以开始觅食了;长到6、7岁时就有生育能力了。

In the 1960s potential output accelerated to around 4% a year, largely because more women got jobs. In the early 1970s, for reasons that are still ill-understood, productivity growth slowed sharply, pulling down the trend rate of growth. Between the mid-1970s and mid-1990s America's economic speed limit was about 3%. Around half that growth came from an expanding workforce; the other half from productivity growth.

上世纪60年代,由于更多的妇女参加工作,潜在产出增长率加快到年均4%左右。70年代初,生产率增长急剧下降,因而压低了潜在经济增长率,其原因现在还不清楚。70年代中期到90年代中期之间,潜在经济增速保持在在3%左右,其中劳动力增长和生产率增长的贡献各占一半左右

The frequency about 30KHZ small may quench Φ10 about the high accuracy axis,the hard level maintains in 1 mm,may quench ¢250 the diameter macro-axis,also may quench Φ500 about the gear.

淬火类设备 Quenching class equipment 频率在30KHZ左右,小者可淬Φ10左右高精度小轴,淬硬层保持1.5mm以内,可淬Φ250直径大轴,也可淬Φ500左右齿轮。1、汽车配件、摩托车配件的淬火处理。2、机械零件的热处理。

The frequency about 30KHZ small may quench Φ10 about the high accuracy axis,the hard level maintains in 1 mm,may quench ¢250 the diameter macro-axis,also may quench Φ500 about the gear. 1、Quenching of The car fittings,the motorcycle fittings are dealt with 2、Metal parts heat treatment.

淬火类设备 Quenching class equipment 频率在30KHZ左右,小者可淬Φ10左右高精度小轴,淬硬层保持1.5mm以内,可淬Φ250直径大轴,也可淬Φ500左右齿轮。1、汽车配件、摩托车配件的淬火处理,铜陵高频感应加热厂家厂家电话:。2、机械零件的热处理。

The analyzing aboved is made from earthquake's space distributing, periodicity, migration phenomenon, repetition, strength, frequency, b value etc., according to data of earthquake station net in Shaanxi Province and microseisms station net watching results in Xi'an area. 3 group faults which are NEE, NW and EW direction control earthquake activities in Guanzhong area. Epicenter depth mostly is 5-25km and in shallow-focus earthquake. Earthquake in east area of Guanzhong was stronger and weaker in the West in history. Fen-Wei earthquake belt showed more activity. Microseisms and small seisms is main movement in recent earthquake, it has 8-10years' period of movement and show the trend that they are strong in the West but weaker in the East. And frequency and biggest magnitude of earthquake is supplement each other. In next years earthquake frequency will lessen but strength enhance, about M4. It presumes there is earthquake climax period in Guanzhong area in 2040 and M5-6 earthquake is happened at that time.

本文在对关中地区区域构造及重磁异常特征的分析基础上,根据陕西省地震台网监测资料及西安地区微地震台网监测成果,从地震的空间分布特征、周期性、迁移现象、重复性、强度、频度、b值分析等方面,对区域地震活动特征、关中地区地震活动规律进行了分析研究,关中地区地震活动主要受北东—北东东向、北西向、东西向三组方向的断裂控制,震源深度多为5—25公里,均属浅源地震,历史地震表现为东强西弱,东部的汾渭地震带表现出较强的地震活动性,近代地震活动主要以微震或小震为主,存在着8—10年的活动周期,近期表现出西强东弱的趋势,地震的频度与地震最大震级呈互补关系,未来的几年间,地震频度会有所减少,强度会增大,将有可能发生4级左右的地震,推测在2040年左右,关中地区将进入地震高潮期,届时将可能有5—6级左右的地震发生。

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