Enterobacter aerogenes was irradiated by He-Ne laser to optimize the laser mutagenesis condition, and to test the heredity, aciduric and hydrogen-producing potential of the mutant.

Results S.mutans was the predominant aciduric bacteria in fissures of caries-free children and more frequently recovered at neutral pH.

结果变形链球菌是无龋组窝沟的优势耐酸菌，且中性条件下检出较多；

An aciduric mutant with steady hydrogen-producing capability, which was able to grow at acidic pH of 3.0, was obtained.

结果筛选到一株遗传性状稳定的高产氢突变株，具有良好的耐酸性，在pH值3.0时仍能生长。

PH value ranged 5-9 in general, 5.5 for aciduric bacteria and 7.5 for alkaline resistant ones.

pH值一般5～9，耐酸菌为5.5，耐碱菌为7.5。

Repairing of the Anticorrosion Parts of the Aciduric Pump

稀酸泵的防腐修复实践

Screening of hydrogen-producing aciduric Enterobacter aerogenes strain using He-Ne laser irradiation

激光诱变选育耐酸产氢菌产气肠杆菌

Primary study on acid tolerance mechanism of a wild aciduric Rhizobium strain isolated from Pueraria lobata

一株耐酸野生葛藤（Pueraria lobata）根瘤菌的筛选与耐酸机理初步研究

However, FDI is a trenchancy lever to adjust economy structure and to upgrade industry, an effective approach to evade international trade rampart and to avoid anti-dumping, a shortcut to obtain advanced technology overseas.

但进行对外直接投资是推进我国经济结构调整和产业升级的有力杠杆，是规避国际贸易壁垒，避免反倾销的有效途径，也是获得国外先进技术的捷径。

The non-government organization is the trenchancy weapon for the United States and western nations to promote their values, and carry on military intervention and regime change.

非政府组织是美国等西方国家推行自己价值观，进行军事干预和政权更迭的有力武器。

The art of construct mirrors and materializes trenchancy quality and susceptivity the essence of the dark culture.

建筑艺术鲜明、感地反映与体现了文化深层结构的本质。

Mass customization has become a strong trenchancy weapon for enterprises to improve their competitiveness.

大规模定制应运而生，成为企业提升竞争力的有力武器。

Symbiosis Cooperation Marketing is trenchancy weapon of Chinese retail enterprise.

建立共生型合作营销模式是中国零售企业迎接挑战的有力武器。

It echoes trenchancy to realism as well as complements and perfects relating theory.

这既是对客观现实的有力呼应，也是对相关理论的有益补充和完善。

In the traditional lactic acid production methods, DL-lactic acid can be synthesized by chemosynthesis method, its cost is too high and its raw materials are venomousness; Optical purity lactate can be produced by Enzyme catalysis.

传统的乳酸生产方法中，化学合成法所用原料有剧毒，生产成本高：酶法生产乳酸工艺比较复杂，对生产条件要求较高，因此微生物发酵法生产乳酸成为乳酸生产的主要方法。

Fracture of needle-shaped eutectic silicon in Si-Al alloy processed by equal channel angular extrusion

等通道转角挤压硅铝合金针状共晶硅损伤断裂实验

And Al_2O_3 is the essential condition of the creation of needle-shaped calcium ferrite.

软熔性能，Al2O3是针状铁酸钙生成的必要条件。

Experiment and Study on Ultrafine Comminution for Needle-shaped Wollastonite Powder

硅灰石针状粉超细粉碎的试验研究

Clinical Application of Needle-Shaped Knife Therapy

小针刀疗法的临床应用

Study on the technology of machine-processed needle-shaped famous green tea

机制针形名优绿茶工艺研究

The Research of Influential Factors in Preparing Needle-shaped ZnO Whiskers

制备针状ZnO晶须影响因素的研究

Research on Processing Method and Principle of Needle-shaped Wollastonite Powder

硅灰石针状粉加工方法及原理研究