This paper discusses the procedures of DTH hammer and core drilling with casing.
本文主要论述了空气潜孔锤跟管取心钻进规程。
Drilling with DTH can achieve high efficiency in rock and soil drilling engineering.
潜孔冲击器钻进是岩土钻掘工程中的一种高效钻进方法。
Delayed type hypersensitivity (DTH) response was detected by the pinna-swelling test.
耳廓肿胀实验检测迟发型超敏(dth)反应。
Objective To explore the role of complement C3 in delayed-type hypersensitivity (DTH).
目的探讨补体成分3 (C3)在迟发型超敏反应(DTH)中的作用。
This experiment based on WC-70 DTH hammer, study the influence of foam on the DTH hammer.
实验以WC- 70潜孔锤为对象，研究泡沫对风动潜孔锤的影响。
DTH series electrothermal sugar melting boiler melts sugar into syrup through electrothermal tube.
DTH系列电热化糖锅通过电热管加温将糖化成糖浆。
Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
In this article, the working principle and design calculations of a new type of DTH impacter are described.
介绍一种新型潜孔冲击器的工作原理和设计计算。
High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
When DTH drilling in high confining pressure, its border condition has changed. So new software need to be developed.
潜孔锤在高围压条件下钻进，边界条件发生了变化，需要开发新的软件。
Compared with the first kind of way, DTH way satellite launch big power, can use smaller antenna, average household can use.
与第一种方式相比，DTH方式卫星发射功率大，可用较小的天线接收，普通家庭即可使用。
ConclusionThe subretinal space supports immune deviation for retinal s antigen by activity suppressing antigen specific DTH.
结论视网膜下腔具有通过抑制抗原特异性D TH支持针对可溶性抗原的免疫偏离的诱导能力。
The optimum design of DTH drilling system and the adoption of drilling technology can be developed based on the data and result.
以上计算和分析的结果，对气动潜孔锤短钻柱系统优化设计和钻井工艺的采用具有实际应用价值。
Methods Several experiments have been conducted for detecting delayed type hypersensitivity (DTH), hemolysin antibody concentration.
方法采用迟发型超敏反应(DTH)、血清溶血素抗体生成实验，测定相关免疫指标。
This paper discusses the rock crushing mechanism of DTH hammer drilling and factor influencing the effect of DTH hammer broken rock.
本文论述了潜孔锤钻进的岩石破碎机理以及影响潜孔锤碎岩效果的因素。
In the landslide and slope management, anchoring drilling methods used mainly Rotary-drilling or one-way Pneumatic DTH for drilling.
在滑坡及边坡治理中，锚固孔成孔方法主要采用回转钻进或单向潜孔锤进行钻进。
Because of all kinds of reasons, the existing software on DTH design can not meet user's demands, new software needs to be developed.
由于种种原因，已有潜孔锤设计软件不能满足用户需求，需要开发新的软件。
In the DTH model, UANa enhanced the degree of allergen-induced ear swelling and promoted the ability of lymphocyte proliferation in vitro.
DTH模型中，尿酸钠增强致敏原引发的耳廓肿胀程度，并促进DTH小鼠淋巴细胞的体外增殖能力。
The survival time was observed and monitored. The tolerant mechanism was investigated by MLR, DTH, IL-2 reverse and adoptive transfer test.
观察、记录移植物的存活时间，通过ML R、DTH、IL - 2逆转实验及过继性转移实验，探讨耐受机理。
According to the exploration problems in an open-pit mine, a new drilling method using reverse circulation DTH hammer drill is put forward.
针对露天矿钻探施工中存在的问题，提出了利用贯通式反循环潜孔锤进行施工的新方法。
Analysis shows that the reason of improper flow field distribution caused by DTH bit is that the nozzle position is close to the edge of bit.
分析认为，该潜孔钻头导致井底流场分布不合理的原因在于喷嘴安放位置太靠近钻头边缘。
Methods: DNFB was used to induce mice delayed-type hypersensitivity (DTH) response, and ear swelling degree was used as evaluating indication.
方法：以DNFB诱导小鼠迟发超敏(dth)反应作为模型，用耳肿胀度作为主要的检测指标。
The operating parameters of DTH is related to many factors, its optimization requires a great deal of calculation and demands better computer.
潜孔锤性能参数与许多因素有关，其优化需要进行大量的计算，要求计算机具有较好的性能。
Methods We choosed indexes such as swallow function of macrophage, DTH reflection of mice sole, to research the immunomodulation of the medicine.
方法选择单核巨噬细胞的吞噬功能、小鼠足垫dTH反应等指标研究药物的免疫调节作用。
Owing to spatial confined, the paper enumerates air supply pressure and backpressure which influence the working parameter of the DTH hammer only.
由于文章篇幅的限制，仅列出了气源压力、背压对空气锤工作参数的影响规律。
And then the body weight, relative organ weight, delayed-type hypersensitivity response (DTH), antibody titre level and phagocytosis were measured.
测定各实验组的体重、相关脏器重，迟发型变态反应（DTH）、血清凝集素抗体积数和吞噬细胞作用。
The hollow-through DTH hammer drilling techniques with whole hole reverse circulation is adopted, it is proved that this technique can resolve drilling.
贯通式潜孔锤反循环钻进技术是一种先进的钻探方法，适用于复杂地层中的地质勘探以及各类钻孔工程。
Methods: the adjuvant arthritis model of rats (AA rats), delayed hypersensitivity (DTH) model and the pain model induced by acetic acid in mice were used.
方法：制造大鼠佐剂性关节炎模型、小鼠迟发性超敏反应(DTH)模型和醋酸扭体疼痛模型，观察复方黑蚂蚁胶囊的药理作用。
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.
钻机可适用多种钻进工艺方法，如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.
钻机可适用多种钻进工艺方法，如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。
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