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Our investigation shows that neither the dioritic porphyry nor the sedimentary rock is the source of iron ores, and that the source of most ironrich orebodies is the ore magmahydrothermal system in the deep chamber. Ore magma which was formed by liquid immiscibility is the main source of Gushan deposit, and the residual ironrich hydrothermal fluids which occurred as NaFeCl complex is the main source of Baixiangshan deposit.

根据野外观察和地球化学研究,文中认为,闪长玢岩岩体和沉积围岩均不是铁质的主要来源,富铁矿体的成因主要来自矿田深部的矿浆热液系统,姑山式铁矿的铁质主要是液态不混溶作用形成的铁矿浆,白象山式铁矿的铁质主要来源于深部残浆分离出的NaFeCl络合物。

Secondary pollution might be produced in the weak zone while conventional acidify because of halfway flowback under poor producing energy. Thief zones can obtain superfluous acidizing fluid because of the permeability contrast between layers of prominent interlamination antinomy, which can induce collapse in the thief zone and invalid acidification in the less permeable layers.

低压油气层常规酸化时由于地层能量低,导致残酸溶液无法彻底返排而引起地层的二次污染;层间矛盾突出的地层,由于渗透率差异,酸液将优先进入高渗地层,导致高渗透层进酸量多,从而过度酸化引起坍塌,低渗透层则由于进酸量少而达不到酸化的目的。

Production and sales companies: particle detector strength, freeze-drying machine, snow ice machine, glass reactor, rotary evaporator, electronic balance, ultrasonic cleaning machines, ice making machine, industrial ice-making machine, constant temperature and humidity box, microscope several significant oil bath temperature pot / water bath pot, Ma fluoride furnace, low temperature cooling liquid circulating pump, circulating water-type multi-purpose vacuum pump, mold incubator, biochemical incubator, constant temperature incubator, vacuum oven, blast oven, super - net workbench, biosafety cabinets, magnetic stirrer, centrifuge, ultrasonic cell pulverizer, ultra-pure water machines, autoclaves, laboratory various beaker, Bio-Rad power supply, test-bed, constant temperature circulator, low temperature cycle at high pump, pesticide Tachometer, UV analyzers, liquid machine, PCR device, liquid chromatography, weather chromatograph, total acidity / PH, the spectrophotometer, ultra-low temperature refrigerators, constant-current pumps, rotary vane type vacuum pump, auto parts traps, low-temperature thermostat bath; and other products.

公司生产销售:颗粒强度测定仪,冷冻干燥机,雪花制冰机,玻璃反应釜,旋转蒸发器,电子天平,超声波清洗机,冰块制冰机,工业制冰机,恒温恒湿箱,显微镜,数显恒温油浴锅/水浴锅,马氟炉,低温冷却液循环泵,循环水式多用真空泵,霉菌培养箱,生化培养箱,恒温培养箱,真空干燥箱,鼓风干燥箱,超净工作台,生物安全柜,磁力搅拌器,离心机,超声波细胞粉碎机,超纯水机,高压灭菌器,实验室各种烧杯,电泳仪电源,实验台,恒温循环器,低温循环高空泵,农残速测仪,紫外分析仪,移液枪,PCR仪,液相色谱,气象色谱仪,酸度计/PH计,分光光度计,超低温冰箱,恒流泵,旋片式真空泵,自动部分收集器,低温恒温槽;等系列产品。

F total amount 80-122.5 mil, average 102.3±0.71, continuous 7~10 days, to happen Symptom vasospasm 8 case, anesis post-treatment in 5 days,recovery 52 case,midst incomplete 14 case, weight incomplete 10 case, plants exist 11 case, death 3 case, cerbral infarction 2 case , no happing dropsy of brain.

结果 每日分2~3次行腰穿共排放血性脑脊液总量80~122.5ml,平均(102.3±0.71)ml,连续7~10天,发生症状性血管痉挛8例,均在治疗后5天内缓解;痊愈52例,中残14例,重残10例,植物生存11例,死亡3例;出现脑梗死2例,无脑积水发生。

The results showed that it is more difficult to demulsify for the emulsion of reacted acid and crude oil.

通过模拟酸化工艺,对桩西采油厂长堤线、混合线和桩一线的原油在残酸存在前后乳状液破乳脱水的对比实验,研究了残酸返排液对乳状液破乳的影响。

Finally, the effect of the complete recycling use of distilled effluent on ethanol fermentation was examined in order to save the cost for the treatment of waste distillage and promote cleansing production. Based on the data of 13 circulations, although the average fermentation time needed to be extended to 30~40 hours, over 12.5% ethanol was achieved, at the same time, residual reducing sugar and total sugar were maintained below 0.70% and 0.90%, which indicates that the negative effect of the completely recycling use of waste distillage was limited, and the waste distillage can be completely recycled within the fermentation system.

在此基础上,从减轻废糟液处理负荷,实现清洁生产的需要出发,进行了无种子罐条件下酒精蒸馏废液直接全循环使用的自絮凝颗粒酵母酒精连续发酵实验研究,十三次全循环运行得到的实验数据,与无废液循环的实验结果相比,虽然平均发酵时间略增至30h~40h,但发酵终点酒精浓度仍达到12.5%以上,残还原糖和残总糖分别在0.70%和0.90%以下,说明循环积累物对发酵的影响有限,废糟液直接全循环使用的工艺技术路线可行。

For the fermentation coupled with distillage recycle,every five days,the total backset distillage collected was directly used to mix the corn powder,and the experimental results revealed that the concentrations of ethanol,residual reductive sugar,inorganic phosphate and total solids in the broth were maintained s.

实验结果表明,在稀释速率0.05 h-1,废糟液全循环条件下,装置达到稳定状态后,乙醇、残还原糖、无机磷、无机氮、蛋白和总固型物浓度分别稳定在9.4%、26 g/L、11 g/L、3.36 g/L、0.136 g/L和85 g/L左右;乙醇浓度与对照组相差不大,但残还原糖、无机磷及总固形物在废糟液循环使用的初期出现积累,但随运行时间的延长而趋于稳定,说明对酵母生长和乙醇发酵没有产生明显影响。

Based the optimized batch-fermentation condition, it was confirmed that the DE of cassavahydrolysate in the fed batch culture was 80, 4%(NH4)2SO4, adding fed batch culture four times 36hours after the fermentation beginning, and 1.5 hours of fed interval, were the optimized fed-batchfermentation conditions, by studying the culture composition, method, original time and interval offed batch, and some main parameters of the citric acid fermentation, such as citric acid yield, invertrate, fermentation periods and residual glucose.

在批式发酵优化条件的基础上,通过对补料液的组成、补料方式、流加起始时间、流加间隔时间等对柠檬酸发酵过程的主要参数,如产酸率、转化率、发酵周期、残糖等的影响进行了研究,确定了柠檬酸补料发酵的优化条件,即:补料液中木薯糖化液的DE值为80,加入0.04%(NH4)2SO4;发酵36h小时开始分四次流加补料液,流加的间隙时间为1.5小时。

1 Filling amount: 30 tons of bamboo counted with liquor filled tank and circularly press the bamboo flakes for 3-4 minutes during boiling,(the data results from repeated experiments), if the filling amount is too less, the hardness is low, too much alkali remnant, and the pulp yield will be low; if the filling amount is too much, the cooking liquor can not be dried completed, and the circulation amount is too less, the electric current of circulating pump is too low, it will be difficult to cook, and there will be too much pulp knots with high hardness and less alkali remnant which may lead to unripe pulp.

3.1.1装锅量:竹子30吨是以液浸装锅和开中循环压竹片3——4分钟为计,(数据是根据多次实验得出的结果)如装锅量太小,硬度低,残碱大,浆得率低,装锅量太大蒸煮液无法完全送完,循环量小,循环泵电流小,蒸煮困难,浆节子多、硬度高、残碱小,有可能造成生浆。

Objectives: gain the important experimental technologies in biotechnology such as the operations of fermentations、the assay methods of remnant sugar、pH、produce in proceed of fermentations, pretreatments of fermented broth,distillations of productions in fermented broth.

课程目标:掌握微生物发酵操作、发酵过程中菌量、pH、残糖、产物等检测方法、发酵液预处理、发酵液中产品的提取等生物工艺学中重要的实验技术。

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