金属离子和无机酸的阴离子生成一种难溶的盐。
The metal ion and the anion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
The metal ion and the an ion of the mineral acid form an insoluble salt.
本文提出了测定水难溶单元酸的两种线性滴定方法。
Two linear methods for evaluating slightly soluble acids are presented.
废气材料的处理：我们将难溶难分解的材料进行燃烧。
For the waste material, we bury those dissoluble ones and burn those indissoluble ones.
本文就难溶药物与中草药微细化技术作出探索性研究。
This paper tries to explore the application of fine powder technology to Chinese medicinal herbs and insoluble medicines.
引入难溶组分是提高非氟卤化物玻璃化学稳定性的关键。
The key of improving the chemical durability of non fluoride halide glasses is to introduce less soluble components into the glasses.
只有将这些难溶物质考虑进去，化学图才能和浮游图相匹配。
Only when this refractory material is taken into account does the chemical map match the planktonic one.
本发明公开了一种含水难溶高活性药物的组合物及其制备方法。
The invention discloses a composition containing a water-insoluble high-activity drug and a preparation method thereof.
锌焙砂含有少量难溶的铁酸锌，通过还原焙烧可以降低铁酸锌含量。
Zinc calcine contains a small amount of refractory zinc ferrite that can be reduced by reduction roasting.
难溶金属及制品：高速钢、耐热合金钢、高比重钨合金、钼坩埚等。
Refractory metal and cemented carbides: steel, metal steel, tungsten metal, crucible etc.
对广西龙塘蚀变流纹岩风化剖面中六个难溶元素的活动性进行了研究。
Six refractory elements mobility was studied for altered rhyolite weathering profile in Longtang, Guangxi.
药物释放结果表明，此凝胶对难溶药物乙酰水杨酸具有增溶缓释作用。
The experimental results showed that the hydrogel was a promising material for causing solubilization and developing a long-term controlled release system.
目的 将难溶性药物阿德福韦酯制备成固体分散体，以增加体外溶出度。
Objective To prepare adefovir dipivoxil solid dispersion from poorly-soluble adefovir dipivoxil so as to improve its dissolution rate in vitro.
对于难溶的黑色金属，本文介绍了一种快速新颖的钒钛吸光光度连测方法。
For analysis of difficult-dissolved ferrous metal, this paper introduces a quick and new measuring method-absorption spectrophotometry by vanadium-titanium continuous measurement.
溶解后孔隙率的研究对难溶性钙芒硝盐岩水溶开采机理的研究有重要的意义。
This is important to study on solution mining mechanism of the difficult solubility glauberite.
本实验利用强阴离子去污剂SDS抽提家蚕幼虫表皮中难溶的几丁质结合蛋白。
In this study, SDS was used to extracted cuticular proteins from the silkworm larvae.
利用外场促进气固界面、液固界面的传质，构造阶梯界面实现难溶气体吸收等。
Make use of external field to promote the gas-solid and liquid-solid mass transfer, and construct staged interface for the absorption of insoluble gases.
最后将所有的溶液混合后，进行过滤，即可作为染液，此法非常适用于难溶染料。
Mix all solutions finally, filter, can regard as the dye liquor, this law applies to the difficulty and dissolves the dyestuffs very much.
目的比较不同致孔剂及其用量对水难溶性药物布地奈德肠溶缓释微丸释药行为的影响。
OBJECTIVE To compare the influence of different pore-forming agents and their amount on the release of budesonide enteric-coated sustained-release pellets.
在循环冷却水系统中，最常见的难溶盐或微溶盐有碳酸钙、硫酸钙、磷酸锌及硅酸镁等。
In the cooling water system, the most common scale is carbonate, sulphate, phosphate, silicate.
结果表明，微生物脱磷过程主要是细菌代谢产物对难溶磷酸盐的解离作用和细菌的过量摄磷作用。
The result of researches show that the main processes of dephosphorization are the uptake of by microorganisms and dissociating function of the apatite by the metabolic products of microbes.
目的：探讨溶出介质的离子强度对难溶性药物的丙基甲基纤维素(HPMC)骨架片释药的影响。
OBJECTIVE To study the effect of ionic strength on insoluble drug release from HPMC hydrogel matrix.
对于ICP、AA和湿法化学分析手段，对于难溶样品，熔融方法同样是一种非常完美的制样手段。
This bead fusion method is a perfect sampling method for ICP, AA, as well as for indissolvable samples in wet chemical analysis.
研究了钴、镍在硫酸盐、碳酸盐、硫化物、易溶硅酸盐、铁氧化物及难溶硅酸盐相态分析的新流程。
A new procedure is used in the phase and state analysis of cobalt and nickel in sulphate, carbonate, sulphide, easy dissoluble silicate, ferric oxide and hard dissoluble silicate phases.
溶磷微生物是一类参与土壤磷循环的重要微生物类群，它们能够将土壤中的难溶性磷转化为有效态磷。
Phosphorus solubilizing bacteria in soil plays an important role in phosphorus cycling and converting insoluble phosphate into soluble forms.
用途：用于镧钨、镧钼阴极材料，三元催化剂，石油化工，汽灯纱罩添加剂，硬质合金，难溶金属等。
Uses: used Lanthanum tungsten, lanthanum molybdenum cathode materials, ternary catalysts, petrochemicals, gas lamps mantle additives, alloy, refractory metals.
溶磷微生物是一类参与土壤磷循环的重要微生物类群，它们能够将土壤中的难溶无机磷转化为有效态磷。
Phosphate-dissolving microorganisms in soils play an important role in phosphorous cycling, converting insoluble phosphate into soluble forms.
目的：考察水溶性联合载体在增加难溶性药物的溶出速率上是否优于单一载体，并制备速释型固体分散体。
Objective: to investigate whether the combined carrier is superior to the single carrier in improving dissolution of poorly insoluble water drug and prepare a fast released solid dispersion.
利用气隙式膜蒸馏考察了操作温度、料液中难溶盐种类及其饱和度以及料液中不溶颗粒等因素对膜渗透性能的影响。
The effects of operation temperature, salt type, saturation level, and the presence of undissolving solids on the membrane permeability were studied by air-gap membrane distillation.
就红壤旱地钾、镁肥及其平衡施用对玉米产量的影响进行了试验，结果表明，湘南酸性红壤中钾、镁均以难溶态为主，有效态相对较少，不能满足作物生长的需要；
Soil analysis shows that K and Mg in acid red soil in South Hunan exist mainly in the ineffective type; their cootents in the effective type are too low to crop growth.
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